2024 GMC Sierra 3500HD AT4 SRW
Unverified
All photo credits
- Photo: 2020 GMC Sierra 2500 Denali HD, Duramax 6.6L, front 2.1.20 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2023 GMC Sierra 2500 Denali HD Ultimate in Titanium Rush Metallic, front right by Ethan Llamas, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2020 GMC Sierra 2500 Denali HD, Duramax 6.6L, rear 2.1.20 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2023 GMC Sierra 2500 Denali HD Ultimate in Titanium Rush Metallic, rear left by Ethan Llamas, CC BY-SA 4.0, via Wikimedia Commons
The 2024 GMC Sierra 3500HD AT4 SRW is a 401-hp 6.6-liter with an allison 10l1000 10-speed automatic and four-wheel drive. It starts at $71,300 MSRP.
It makes 401 horsepower and 464 lb-ft of torque.
The Sierra 3500HD measures 250.8 inches long on a 158.9-inch wheelbase and has a curb weight of 7,151 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Pickup |
| Powertrain | Gas |
| Price | |
| MSRP | $71,300 |
| MSRP with Destination | $73,295 |
| Destination Charge | $1,995 |
| Engine | |
| Engine Type | 6.6L V-8 gasoline / E85 FlexFuel; cast iron block with nodular iron main caps; cast aluminum heads |
| Displacement | 6.6 L |
| Horsepower | 401 hp |
| Torque | 464 lb-ft |
| Valvetrain | Overhead-valve, 2 valves per cylinder, variable valve timing |
| Bore and Stroke | 103.25 x 98 |
| Compression Ratio | 10.8:1 |
| Injection Type | Direct fuel injection |
| Drivetrain | |
| Drive Type | 4WD |
| Transmission | |
| Transmission | Allison 10L1000 10-Speed Automatic |
| 1st Gear | 4.54 |
| 2nd Gear | 2.87 |
| 3rd Gear | 2.06 |
| 4th Gear | 1.72 |
| 5th Gear | 1.48 |
| 6th Gear | 1.26 |
| 7th Gear | 1 |
| 8th Gear | 0.85 |
| 9th Gear | 0.69 |
| 10th Gear | 0.63 |
| Reverse | 4.54 |
| Final Drive | 3.73 |
| Fuel Economy | |
| Recommended Fuel | Regular Unleaded / E85 FlexFuel |
| Suspension | |
| Front Suspension | Short long-arm independent front suspension with torsion bars |
| Rear Suspension | Semi-elliptic, three-stage, multi-leaf springs |
| Brakes | |
| Front Brake Disc | 14.0 x 1.6 in / 355 x 40 mm ventilated disc |
| Rear Brake Disc | 14.1 x 1.3 in / 360 x 34 mm ventilated disc |
| Tires & Wheels | |
| Wheels Front | 18 in steel or aluminum (standard) |
| Wheels Rear | 18 in steel or aluminum (standard) |
| Tires Front | LT275/70R18E AT |
| Tires Rear | LT275/70R18E AT |
| Dimensions & Weight | |
| Length | 250.75 in |
| Width | 81.85 in |
| Height | 80.87 in |
| Wheelbase | 158.94 in |
| Front Track | 68.1 in |
| Rear Track | 68.3 in |
| Ground Clearance | 11.18 in |
| Curb Weight | 7,151 lbs |
| Interior | |
| Headroom Front | 43.03 in |
| Headroom Rear | 40.12 in |
| Legroom Front | 44.53 in |
| Legroom Rear | 43.4 in |
| Shoulder Room Front | 66.02 in |
| Shoulder Room Rear | 65.3 in |
| Hip Room Front | 61.18 in |
| Hip Room Rear | 60.24 in |
Similar cars
Rivals to the 2024 GMC Sierra 3500HD AT4 SRW with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
3 recalls on file with NHTSA for the 2024 GMC SIERRA 3500. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Nov 26, 2024 · LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado HD 2500, 3500, and GMC Sierra HD 2500, 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in Park.
Consequence: An unlatched tailgate may open and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.
Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed December 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N242469160. This recall is an expansion of NHTSA Recall 24V-060.
NHTSA campaign 24V894000
Feb 1, 2024 · LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park.
Consequence: An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.
Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232426400.
NHTSA campaign 24V060000
Aug 3, 2023 · STEERING
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles. The steering gear shaft may fracture and disconnect from the steering arm.
Consequence: A steering arm that disconnects may result in a total loss of steering control, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the steering gear, if necessary, free of charge. Owner notification letters were mailed September 22, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232414720.
NHTSA campaign 23V549000
50 owner complaints to NHTSA for the 2024 GMC SIERRA 3500
Owner Complaints
50 owner complaints filed with NHTSA for the 2024 GMC SIERRA 3500 (1 a fire, 1 an injury). See all on nhtsa.gov
| Electrical System | 15 |
| Power Train | 13 |
| Service Brakes | 11 |
| Engine | 8 |
| Unknown Or Other | 7 |
| Steering | 5 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2024 GMC SIERRA 3500. US-market vehicles only; data cached for up to 7 days.