{"id":57519,"date":"2023-05-02T12:31:35","date_gmt":"2023-05-02T17:31:35","guid":{"rendered":"https:\/\/www.emanualonline.com\/blog\/?p=57519"},"modified":"2025-03-07T14:49:34","modified_gmt":"2025-03-07T19:49:34","slug":"gmc-sierra-hd-at4x-and-extreme-aev-edition","status":"publish","type":"post","link":"https:\/\/www.emanualonline.com\/blog\/gmc-sierra-hd-at4x-and-extreme-aev-edition","title":{"rendered":"GMC Takes Heavy Duty Further Off-Road with First-Ever Sierra HD AT4X and Extreme AEV Edition"},"content":{"rendered":"<ul>\n<li>Enhanced off-road capability matched with available 18,500-pound max trailering<sup>1<\/sup><\/li>\n<li>Offers the most trailering tech in its class<sup>2<\/sup>\u00a0and first-class luxury features<\/li>\n<li>Specialized AEV Edition offers extreme capability and confidence off-road<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.emanualonline.com\/cars\/mg.htm\">GMC<\/a> first elevated key off-road truck segments with the premium and capable Sierra 1500 AT4X and Canyon AT4X. Today, GMC announced the next step with the first-ever 2024 GMC Sierra HD AT4X \u2014 featuring the Sierra HD AT4X AEV Edition \u2014 a truck that enables adventurers to go further while still having the towing capability essential for heavy duty haulers.<\/p>\n<p>The Sierra HD AT4X bolsters GMC\u2019s lineup of premium off-road trucks, balancing increased off-road capability, smooth on-road handling, offering the most trailering technology in its class<sup>2<\/sup>\u00a0and first-class luxury and comfort features.<\/p>\n<p>\u201cGMC\u2019s AT4X trim, which will be available across the entire GMC truck lineup, offers customers more premium choices when it comes to \u2018do-it-all\u2019 capabilities,\u201d said Duncan Aldred, global vice president, Buick-GMC. \u201cEach model delivers unique strengths, with the all-new Sierra HD AT4X taking it to the max, giving our customers the most luxurious and most off-road capable HD we&#8217;ve ever offered. AT4X means you can conquer almost any terrain, in complete comfort and with the towing power to bring your recreational toys, gear or camper along for the adventure.&#8221;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-57530 lazyload\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy.jpg\" alt=\"2024 GMC Sierra 2500HD AT4X AEV Edition\" width=\"1200\" height=\"800\" data-srcset=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy.jpg 1200w, https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy-300x200.jpg 300w, https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy-1024x683.jpg 1024w, https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy-768x512.jpg 768w\" data-sizes=\"(max-width: 1200px) 100vw, 1200px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1200px; --smush-placeholder-aspect-ratio: 1200\/800;\" \/><\/p>\n<h2>AT4X: Premium off-roading the GMC way<\/h2>\n<p>Building on the foundation of the revamped 2024 Sierra HD, which receives fresh design updates, new available premium interiors and an all-new tech-focused layout, the new Sierra HD AT4X\u2019s highlights include:<\/p>\n<ul>\n<li>Available 18,500-pound max trailering capacity<sup>1<\/sup><\/li>\n<li>Factory-installed 1.5-inch (38mm) suspension lift<\/li>\n<li>Multimatic DSSV dampers<\/li>\n<li>Rear e-locking differential<\/li>\n<li>35-inch Goodyear Territory tires<\/li>\n<li>Specific front upper and lower control arms and specific steering knuckles<\/li>\n<li>Larger steel transfer case skid plate and front aluminum skid plate<\/li>\n<li>Unique Obsidian Rush interior featuring premium appointments like massaging, full-grain leather-wrapped front seats<\/li>\n<\/ul>\n<p>The Sierra HD AT4X also includes a new Off-Road Mode. When engaged, the Off-Road Mode adjusts various vehicle calibrations, such as the anti-lock brakes, traction control and stability control, to provide optimized performance when venturing off-road. Additionally, Off-Road Mode alters throttle progression and transmission shifts to allow for better off-road control and performance.<\/p>\n<p class=\"has-background has-text-align-center has-very-light-gray-background-color\"><strong>Download your <a href=\"https:\/\/www.emanualonline.com\/cars\/gmc\/sierra.htm\">GMC Sierra repair\u00a0manual<\/a> here!<\/strong><\/p>\n<h2>Extreme AEV Edition<\/h2>\n<p>The available AT4X AEV Edition adds robust stamped steel bumpers with integrated recovery points and front winch capability which provide additional driver confidence and protection. It also features heavy duty steel skid plates that help keep vital components such as the steering gear and transfer case protected on the trail. Additional features include unique 18-inch Salta wheels and unique exterior badging and interior cues.<\/p>\n<p>\u201cThe Sierra HD is an ideal foundation when it comes to on-road performance, off-road capability and insane pulling power,\u201d said AEV CEO and founder Dave Harriton. \u201cAs with the Sierra 1500 before it, we took AEV\u2019s signature performance-driven approach and dedication to detail to elevate the aspects that off-road customers want and demand in their heavy-duty truck. The result is an awesome truck with capability and confidence in all the right spots.\u201d<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-57529 lazyload\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy.jpg\" alt=\"\" width=\"1200\" height=\"536\" data-srcset=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy.jpg 1200w, https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy-300x134.jpg 300w, https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy-1024x457.jpg 1024w, https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy-768x343.jpg 768w\" data-sizes=\"(max-width: 1200px) 100vw, 1200px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1200px; --smush-placeholder-aspect-ratio: 1200\/536;\" \/><\/p>\n<h2>Heavy Duty capability: Turbocharged pulling power<\/h2>\n<p>In addition to the standard 6.6L gas engine, the new AT4X offers the turbocharged pulling power of the available 6.6L Duramax Turbo-Diesel. Enhanced for 2024, it will deliver 470 horsepower and 975 lb-ft of torque, offering more power across the entire operating speed range.<\/p>\n<p>Both engines are paired with an Allison 10-speed automatic transmission, which is designed to optimize engine power, torque and efficiency.<\/p>\n<h2>Confidence-inspiring trailering tech<\/h2>\n<p>Along with the rest of the 2024 Sierra HD lineup, the new AT4X offers the most trailering assistance technologies in the heavy-duty class<sup>2<\/sup>\u00a0as well as the available ProGrade Trailering System.<\/p>\n<p>It includes a suite of available intelligent assistance technologies designed to help streamline the hitching and towing process, with integrated tools that can help enhance customers\u2019 safety and confidence, including available enhanced, industry-first Transparent Trailer View<sup>4\u00a0<\/sup>for Gooseneck and Fifth Wheel Trailering, available Trailer Side Blind Zone Alert<sup>5<\/sup>\u00a0and new, available Adaptive Cruise Control<sup>5<\/sup>\u00a0with Trailering.<\/p>\n<p>Additionally, there are up to 14 available camera views<sup>6<\/sup>\u00a0including Hitch View,\u00a0Bed View with Zoom and Bed Hitch Guidance, and Rear Side View with Trailer Length Indicator.<\/p>\n<h2>First-class interior luxury and comfort<\/h2>\n<p>The first-ever Sierra HD AT4X offers the luxurious appointments and comfort in a premium, off-road-capable HD pickup, with the exclusive Obsidian Rush interior that features power massaging front seats and full-grain leather-wrapped seats throughout as well as authentic Vanta Ash wood d\u00e9cor and 12-speaker Bose\u00ae Premium Series audio system with Centerpoint surround technology. The AEV Edition also features the AEV logo on the front-seat head restraints and unique AEV-branded floor liners.<\/p>\n<p>The centerpiece of the new cabin is an all-new, tablet-style 13.4-inch-diagonal infotainment<sup>3<\/sup>\u00a0touchscreen. It is complemented by a 12.3-inch-diagonal configurable driver information center and a 15-inch-diagonal head-up display. Together, they provide customers incredible levels of personalization and intuitive engagement.<\/p>\n<h2>Coming in Q3 2023<\/h2>\n<p>The 2024 GMC Sierra HD AT4X and AT4X AEV Edition are expected to arrive at dealerships in the fall of 2023. Pricing will be announced closer to the start of production.<\/p>\n<h3 style=\"text-align: center;\">###<\/h3>\n<h3>About GMC<\/h3>\n<p>GMC offers a range of premium trucks and SUVs designed and engineered to the highest standard. With vehicles like the compact Terrain and full-size Yukon, all-new Canyon and Sierra light-duty, as well as the world\u2019s first all-electric supertruck, the <a href=\"https:\/\/www.emanualonline.com\/blog\/tag\/hummer-ev\/\">GMC HUMMER EV<\/a>, our trucks and SUVs deliver GMC\u2019s signature combination of intuitive technologies, precise engineering and premium execution. Built on a strong foundation of manufacturing trucks since 1902, GMC now sells in a dozen countries across the world. Details on all models are available at www.gmc.com, Instagram at @GMC, Twitter at @GMC or at\u00a0<a href=\"http:\/\/www.facebook.com\/gmc\">www.facebook.com\/gmc<\/a>.<\/p>\n<h3>About AEV<\/h3>\n<p>American Expedition Vehicles (AEV) has now been on the cutting edge of the 4WD industry for over 25 years, continuously pushing the boundaries of design and innovation. The goal has always been simple: provide the highest quality off-road parts and accessories available anywhere in the world, period.<\/p>\n<p><em><sup>1 <\/sup>Sierra HD AT4X\u2019s 18,500-lb max rating requires available 6.6L Diesel engine and conventional towing. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner\u2019s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.<\/em><\/p>\n<p><em><sup>2 <\/sup>Class is gasoline and diesel heavy duty pickups in the GM Large Pickup segment. Based on latest competitive data available.<\/em><\/p>\n<p><em><sup>3 <\/sup>GMC Infotainment System functionality varies by model. Full functionality requires compatible Bluetooth and smartphone, and USB connectivity for some device.<\/em><\/p>\n<p><em><sup>4 <\/sup>Safety or driver assistance features are no substitute for the driver\u2019s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner\u2019s Manual for important feature limitations and information. Requires available accessory camera and installation. Not compatible with all trailers. See your dealer for details.<\/em><\/p>\n<p><em><sup>5 <\/sup>Safety or driver assistance features are no substitute for the driver&#8217;s responsibility to operate the vehicle in a safe manner. Read the vehicle&#8217;s owner&#8217;s manual for important feature limitations and information.<\/em><\/p>\n<p><em><sup>6 <\/sup>Safety or driver assistance features are no substitute for the driver\u2019s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner\u2019s Manual for important feature limitations and information. Some camera views require available accessory camera and installation. Not compatible with all trailers. See your dealer for details.<\/em><\/p>\n<h2>2024 GMC SIERRA AT4X &amp; AT4X AEV EDITION SPECIFICATIONS<\/h2>\n<h3>CONFIGURATION<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">2500HD<\/td>\n<td valign=\"top\" width=\"402\">Crew Cab Standard Bed (4WD)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>ENGINES<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Type:<\/td>\n<td valign=\"top\" width=\"402\"><b>6.6L V-8 gasoline or E85 FlexFuel<\/b><b><\/b><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Bore &amp; Stroke (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">4.06 x 3.86 \/ 103.25 x 98<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Block Material:<\/td>\n<td valign=\"top\" width=\"402\">Cast iron with nodular iron main caps<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Cylinder Head Material:<\/td>\n<td valign=\"top\" width=\"402\">Cast aluminum<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Compression Ratio:<\/td>\n<td valign=\"top\" width=\"402\">10.8:1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Valvetrain:<\/td>\n<td valign=\"top\" width=\"402\">Overhead-valve, two valves per cylinder, variable valve timing<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Fuel Delivery:<\/td>\n<td valign=\"top\" width=\"402\">Direct fuel injection<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Horsepower (hp \/ kW @ rpm):<\/td>\n<td valign=\"top\" width=\"402\">401 \/ 299 @ 5200 (SAE certified \u2013 gasoline)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Torque (lb.-ft. \/ Nm @ rpm):<\/td>\n<td valign=\"top\" width=\"402\">464 \/ 629 @ 4000 (SAE certified \u2013 gasoline)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\"><b>Type:<\/b><\/td>\n<td valign=\"top\" width=\"402\"><b>Duramax 6.6L V-8 Turbo-Diesel<\/b><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Bore &amp; Stroke (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">4.05 x 3.89 \/ 103 x 99<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Block Material:<\/td>\n<td valign=\"top\" width=\"402\">Cast iron<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Cylinder Head Material:<\/td>\n<td valign=\"top\" width=\"402\">Cast aluminum<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Compression Ratio:<\/td>\n<td valign=\"top\" width=\"402\">16.0:1<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Valvetrain:<\/td>\n<td valign=\"top\" width=\"402\">Overhead-valve, four valves per cylinder<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Fuel Delivery:<\/td>\n<td valign=\"top\" width=\"402\">Common-rail direct fuel injection<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Horsepower (hp \/ kW @ rpm):<\/td>\n<td valign=\"top\" width=\"402\">470 \/ 350 @ 2800 (per SAE J1349)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Torque (lb.-ft. \/ Nm @ rpm):<\/td>\n<td valign=\"top\" width=\"402\">975 \/ 1322 @ 1600 (per SAE J1349)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>TRANSMISSION &amp; AXLE<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Type:<\/td>\n<td valign=\"top\" width=\"402\">Allison<sup>\u00ae<\/sup>\u00a010L1000 10-speed automatic<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Gear Ratios (:1):<\/td>\n<td valign=\"top\" width=\"402\"><b>\u00a0<\/b><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">First<\/td>\n<td valign=\"top\" width=\"402\">4.54<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Second<\/td>\n<td valign=\"top\" width=\"402\">2.87<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Third<\/td>\n<td valign=\"top\" width=\"402\">2.06<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Fourth<\/td>\n<td valign=\"top\" width=\"402\">1.72<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Fifth<\/td>\n<td valign=\"top\" width=\"402\">1.48<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Sixth<\/td>\n<td valign=\"top\" width=\"402\">1.26<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Seventh<\/td>\n<td valign=\"top\" width=\"402\">1.00<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Eighth<\/td>\n<td valign=\"top\" width=\"402\">0.85<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Ninth<\/td>\n<td valign=\"top\" width=\"402\">0.69<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Tenth<\/td>\n<td valign=\"top\" width=\"402\">0.63<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Reverse<\/td>\n<td valign=\"top\" width=\"402\">4.54<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Final Drive Ratio:<\/td>\n<td valign=\"top\" width=\"402\">3.73 (6.6L gas)<br \/>\n3.42 (6.6L diesel)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>CHASSIS &amp; SUSPENSION<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Front Suspension:<\/td>\n<td valign=\"top\" width=\"402\">Independent front suspension with torsion bars<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Rear Suspension:<\/td>\n<td valign=\"top\" width=\"402\">Semi-elliptic, two-stage, multi-lead springs<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Steering Type:<\/td>\n<td valign=\"top\" width=\"402\">Hydraulic power-assisted recirculating ball<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Brake Type:<\/td>\n<td valign=\"top\" width=\"402\">Hydraulic power-assisted Hydroboost brake booster, four-wheel disc brakes with ABS and Stabilitrak electronic stability assist<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Brake Rotor Size (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">Front: 14 x 1.6 \/ 355 x 40<br \/>\nRear: 14.1 x 1.3 \/ 360 x 34<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Wheel Size:<\/td>\n<td valign=\"top\" width=\"402\">18 x 9-in. aluminum<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Tire Size:<\/td>\n<td valign=\"top\" width=\"402\">LT305\/70R18 MT<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>FUEL TANK CAPACITY (approx.)<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Fuel Tank (gal. \/ L):<\/td>\n<td valign=\"top\" width=\"402\">36 \/ 136 (gas and diesel)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>EXTERIOR DIMENSIONS<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Wheelbase (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">159.1 \/ 4042<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Overall Length (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">250.7 \/ 6369 (AT4X)<br \/>\n252 \/ 6401 (AT4X AEV Edition)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Overall Width (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">81.9 \/ 2079 (without mirrors)<br \/>\n105.1 \/ 2670 (with mirrors extended)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Overall Height (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">82.6 \/ 2100<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Front Track (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">69.3 \/ 1762<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Rear Track (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">70.0 \/ 1760<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Ground Clearance (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">11.6 \/ 295 (AT4X)<br \/>\n11.7 \/ 299 (AT4X AEV Edition)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Approach Angle (deg.):<\/td>\n<td valign=\"top\" width=\"402\">31.6 (AT4X)<br \/>\n29.8 (AT4X AEV Edition)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Departure Angle (deg.):<\/td>\n<td valign=\"top\" width=\"402\">25.7 (AT4X &amp; AT4X AEV Edition)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Breakover Angle (deg.):<\/td>\n<td valign=\"top\" width=\"402\">21.2 (AT4X)<br \/>\n22.6 (AT4X AEV Edition)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>INTERIOR DIMENSIONS<\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Headroom (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">43.03 \/ 1093 (front)<br \/>\n40.12 \/ 1019 (rear)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Legroom (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">44.53 \/ 1131 (front)<br \/>\n43.4 \/ 1102 (rear)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Shoulder Room (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">66.02 \/ 1677 (front)<br \/>\n65.3 \/ 1659 (rear)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Hip Room (in. \/ mm):<\/td>\n<td valign=\"top\" width=\"402\">61.18 \/ 1554 (front)<br \/>\n60.24 \/ 1530 (rear)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>CURB WEIGHT, GVWR &amp; PAYLOAD<sup>1<\/sup><\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Base Curb Weight (lb. \/ kg):<\/td>\n<td valign=\"top\" width=\"402\">7516 \/ 3409 \u2013 AT4X gas<br \/>\n8237 \/ 3736 \u2013 AT4X diesel<br \/>\n7894 \/ 3581 \u2013 AT4X AEV Edition gas<br \/>\n8605 \/ 3903 \u2013 AT4X AEV Edition diesel<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">GVWR (lb. \/ kg):<\/td>\n<td valign=\"top\" width=\"402\">10850 \/ 4921 \u2013 AT4X gas<br \/>\n11350 \/ 5148 \u2013 AT4X diesel<br \/>\n10850 \/ 4921 \u2013 AT4X AEV Edition gas<br \/>\n11350 \/ 5148 \u2013 AT4X AEV Edition diesel<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Payload<sup>1<\/sup>\u00a0(lb. \/ kg):<\/td>\n<td valign=\"top\" width=\"402\">3291 \/ 1493 \u2013 AT4X gas<br \/>\n3068 \/ 1392 \u2013 AT4X diesel<br \/>\n2912 \/ 1321 \u2013 AT4X AEV Edition gas<br \/>\n2701 \/ 1225 \u2013 AT4X AEV Edition diesel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><sup>1 <\/sup>For comparison purposes only. See the owner&#8217;s manual and the label on the vehicle door jamb for the carrying capacity of a specific vehicle.<\/p>\n<h3>MAX TRAILERING <sup>1<\/sup><\/h3>\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"204\">Conventional (lb. \/ kg):<\/td>\n<td valign=\"top\" width=\"396\">16000 \/ 7257 \u2013 AT4X gas<br \/>\n18500 \/ 8391 \u2013 AT4X diesel<br \/>\n16000 \/ 7257 \u2013 AT4X AEV Edition gas<br \/>\n18400 \/ 8346 \u2013 AT4X AEV Edition diesel<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"204\">Fifth-Wheel\/Gooseneck<br \/>\n(lb. \/ kg):<\/td>\n<td valign=\"top\" width=\"396\">18000 \/ 8165 \u2013 AT4X gas<br \/>\n17300 \/ 7847 \u2013 AT4X diesel<br \/>\n16200 \/ 7348 \u2013 AT4X AEV Edition gas<br \/>\n14800 \/ 6713 \u2013 AT4X AEV Edition diesel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><sup>1 <\/sup>Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner\u2019s Manual.<\/p>\n<h2>Gallery: 2024 GMC Sierra HD AT4X &amp; AT4X AEV Edition<\/h2>\n<div id='gallery-1' class='gallery galleryid-57519 gallery-columns-9 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-101-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-101-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"GMC Sierra HD AT4X\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-100-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-100-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"GMC Sierra HD AT4X\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-102-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-102-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"GMC Sierra HD AT4X\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-001-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"2024 GMC Sierra 2500HD AT4X AEV Edition\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-002-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-002-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"AT4X AEV Edition\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-003-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-003-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"AT4X AEV Edition\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-004-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-aev-edition-004-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4x-103-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4-at4x-at4xaev-copy.jpg'><img decoding=\"async\" width=\"150\" height=\"150\" data-src=\"https:\/\/www.emanualonline.com\/blog\/wp-content\/uploads\/2023\/05\/2024-gmc-sierra-2500hd-at4-at4x-at4xaev-copy-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail lazyload\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p><span style=\"color: #808080; font-size: 12pt;\"><em>This article was originally published on <a href=\"https:\/\/media.gmc.com\" target=\"_blank\" rel=\"noopener\">GMC&#8217;s website<\/a>.<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Enhanced off-road capability matched with available 18,500-pound max trailering1 Offers the most trailering tech in its class2\u00a0and first-class luxury features Specialized AEV Edition offers extreme capability and confidence off-road GMC first elevated key off-road truck segments with the premium and capable Sierra 1500 AT4X and Canyon AT4X. Today, GMC announced the next step with the &hellip;<\/p>\n","protected":false},"author":26,"featured_media":57535,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[5450,5391],"tags":[9990,10663,3988],"class_list":["post-57519","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-gmc","category-new-releases","tag-gmc","tag-sierra","tag-usa"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>GMC Reveals Its First-Ever Sierra HD AT4X and AT4X AEV Edition<\/title>\n<meta name=\"description\" content=\"The GMC Sierra HD AT4X is the perfect truck for adventurers to go further, complete with extreme towing capabilities.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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