Current GMC Trucks Sierra-HD Sierra 3500 HD AT4

2024 GMC Sierra 3500 HD AT4 4WD Crew Cab, Long Bed_6.6L Duramax SRW

2024 GMC Sierra 3500 HD AT4 4WD Crew Cab, Long Bed_6.6L Duramax SRW

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Exterior Colors:

  • Year 2024
  • Make GMC
  • Model Sierra 3500 HD AT4
  • Engine 6.6L Duramax Turbo-Diesel V8
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Product Details Specifications Photos
2024 GMC Sierra 3500 HD AT4 4WD Crew Cab, Long Bed_6.6L Duramax SRW

2024 GMC Sierra 3500 HD AT4 4WD Crew Cab, Long Bed_6.6L Duramax SRW

  • Year 2024
  • Manufacturer GMC
  • Model Name Sierra 3500 HD AT4
  • Trim Name 4WD Crew Cab, Long Bed_6.6L Duramax SRW
  • Generic Type (Primary) Pickup
  • Engine 6.6L Duramax Turbo-Diesel V8
  • Engine Power 470 hp [350.5 kW] @ 2800 rpm
  • Engine Torque 975 lb-ft of torque [1322 Nm] @ 1600 rpm

2024 GMC Sierra 3500 HD AT4 4WD Crew Cab, Long Bed_6.6L Duramax SRW

Features may include:

INTERIOR

Sierra HD AT4 and AT4X’s rugged yet refined interiors offer premium materials and advanced technologies to help you take on the world in comfort and control.

  • INTERIOR UPGRADES

With its premium AT4 interior in Jet Black with Kalahari accents and wrapped heated streeting wheel, AT4X upgrades every adventure.

  • HEATED AND VENTILATED FRONT LEATHER SEATING SURFACES

Travel comfortably no matter where the action leads you.

EXTERIOR

Stand out with a bold, heroic design and ruggedly functional enhancements.

  • REDESIGNED AT4 GRILLE AND FRONT FASCIA

Stand out with a bold, heroic front end design.

  • 20" GLOSS-BLACK ALUMINUM WHEELS

Rugged and good-looking, Sierra HD AT4’s aluminum wheels with available BFGoodrich off-road tires are made for rough trails.

  • SPRAY-ON BEDLINER WITH LOGO

Help protect the bed and enhance its style with durable cargo bed protection.

TECHNOLOGY

Sierra Heavy Duty’s available massive customizable screens and advanced tech help keep you informed and in command.

  • CONFIDENCE

Sierra Heavy Duty offers advanced tech such as up to 14 available camera views to help you confidently pull your world.

  • 13.4" DIAGONAL CENTER TOUCH-SCREEN—THE LARGEST IN ITS CLASS

A 13.4" diagonal tablet-style touch-screen—the largest in its class—is the customizable, high-tech centerpiece of the cabin.

  • 12.3" DIAGONAL DIGITAL DRIVER INFORMATION CENTER

Sierra Heavy Duty features a 12.3" diagonal digital Driver Information Center. Control and customize important vehicle, driving and infotainment content.

CAPABILITY

Serious adventure-ready hardware meets premium on-road comfort and world-class towing power.

  • OUT THERE

Sierra HD AT4’s HDNA is ready to take on off-road challenges out there beyond the boundaries.

  • ENHANCED 6.6L DURAMAX TURBO DIESEL V8 ENGINE WITH NEW TURBOCHARGER AND ALLISON® 10-SPEED TRANSMISSION

Sierra Heavy Duty’s world-class towing capability is enhanced for 2024 with an available 6.6L Duramax Turbo Diesel V8 engine and an all-new, more efficient turbocharger.

  • MULTIMATIC DSSV DAMPERS

Available AT4X-exclusive Multimatic™ DSSV dampers feature three separate spool valves to control damping and three connected chambers for fluid flow.

SAFETY
  • SIERRA HD PRO SAFETY

Every Sierra Heavy Duty includes active safety and driver-assistance technologies that help while driving and trailering.

Engine

Engine 6.6L Duramax Turbo-Diesel V8
Engine Power 470 hp [350.5 kW] @ 2800 rpm
Engine Torque 975 lb-ft of torque [1322 Nm] @ 1600 rpm

Drivetrain

Transmission Allison® 10-speed automatic

Brakes

Brake System Type 4-wheel antilock disc

Wheels & Tires

Wheels 20" High Gloss black aluminum 8-spoke
Front Tire 20" LT275/65R20 all-terrain, blackwall
Rear Tire 20" LT275/65R20 all-terrain, blackwall

Dimensions

Wheelbase 172.00 in
Overall Length 266.77 in
Width Max w/o mirrors: 81.85 in
Overall Height 80.67 in
Ground Clearance Front: 11.14 in | Rear: 11.14 in

Capacities

Fuel Capacity 36.0 gal
Seating Capacity 6
Volume Cargo: 83.50 ft³

Electric

Alternator 170-amp

Product Photography

Warning WARNING: Operating, servicing and maintaining a passenger vehicle, an off-highway motor vehicle or a recreational marine vessel can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle or vessel in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle or vessel. For more information go to https://www.p65warnings.ca.gov/products/passenger-vehicle and https://www.p65warnings.ca.gov/products/marine.