Current GMC Sierra 3500 HD AT4 Sierra 3500 HD AT4

2023 GMC Sierra 3500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax SRW

2023 GMC Sierra 3500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax SRW

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Exterior Colors:

  • Year 2023
  • Make GMC
  • Model Sierra 3500 HD AT4
  • Engine 6.6L Duramax Turbo-Diesel V8
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Product Details Specifications Photos
2023 GMC Sierra 3500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax SRW

2023 GMC Sierra 3500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax SRW

  • Year 2023
  • Manufacturer GMC
  • Model Name Sierra 3500 HD AT4
  • Trim Name 4WD Crew Cab, Standard Bed_6.6L Duramax SRW
  • Generic Type (Primary) Pickup
  • Engine 6.6L Duramax Turbo-Diesel V8
  • Engine Power 445 hp [332 kW] @ 2800 rpm
  • Engine Torque 910 b-ft. of torque [1220 Nm] @ 1600 rpm

2023 GMC Sierra 3500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax SRW

Features may include:

EXTERIOR

Denali’s eye-catching exterior features many exclusives that help give the vehicle its signature look.

  • Sierra HD AT4’s Rugged Exterior
  • Side Bed Step
  • Vertical Red Recovery Hooks
WORLD’S FIRST SIX-FUNCTION GMC MULTIPRO TAILGATE

Offers six distinct functions. Designed to help improve loading, unloading and accessing the cargo box.

INTERIOR

PURPOSEFUL ACCOMMODATIONS & ACCENTS

  • Jet Black with Kalahari interior and embroidered AT4 accents
  • Premium front and rear floor liners with removable carpet inserts
  • Available wireless charging pad
  • Heated and ventilated front perforated leather seating surfaces

Engine

Engine 6.6L Duramax Turbo-Diesel V8
Engine Power 445 hp [332 kW] @ 2800 rpm
Engine Torque 910 b-ft. of torque [1220 Nm] @ 1600 rpm

Drivetrain

Transmission Allison® 10-speed automatic

Brakes

Brake System Type 4-wheel antilock disc

Wheels & Tires

Wheels 18" machined aluminum with Dark Grey metallic accents
Front Tire 18" LT275/70R18E all-terrain, blackwall
Rear Tire 18" LT275/70R18E all-terrain, blackwall

Dimensions

Wheelbase 158.94 in
Overall Length 250.08 in
Width Max w/o mirrors: 81.85 in
Overall Height 80.87 in
Ground Clearance Front: 11.18 in | Rear: 11.18 in

Weights

GVWR 11,350 lbs
Gross Combined Weight Rating 24,000 lbs

Capacities

Fuel Capacity 36.0 gal
Seating Capacity 6
Volume Cargo: 69.50 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.