2023 GMC Sierra 2500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax
Exterior Colors:
- Year 2023
- Make GMC
- Model Sierra 2500 HD AT4
- Engine 6.6L Duramax Turbo-Diesel V8 engine
2023 GMC Sierra 2500 HD AT4 4WD Crew Cab, Standard Bed_6.6L Duramax
Features may include:
HIGH-TECH CAPABILITY- Available Auto Electric Parking Brake
- Park Grade Hold Assist
- Available Digital Variable Steering Assist
- Available 2-Speed Autotrac® Transfer Case
- Available Traction Select with Tow/Haul & Off-Road Mode
- Twin-Tube Rancho shocks provide dampening when off-road
- Skid plates add underbody protection
- Eaton® locking rear differential helps give traction for rugged terrain
- Chassis and suspension are built upon a fully boxed, ladder-type frame
- Built from high-strength steel using front hydroformed rails
- Clamshell design helps provide stability while towing and off-roading
A bold exterior calls for an interior that lives up to the same caliber. Whether you’re looking for rugged or refined, Sierra Heavy Duty has an interior colorway fit to match your style. Scroll through a few of its impressive interior options below.
Engine
Engine
6.6L Duramax Turbo-Diesel V8 engine
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 transmission
Brakes
Brake System Type
4-wheel antilock disc brakes
Wheels & Tires
Wheels
18" machined aluminum wheels with Dark Grey metallic accents
Front Tire
18" LT275/70R18E all-terrain, blackwall tires
Rear Tire
18" LT275/70R18E all-terrain, blackwall tires
Dimensions
Wheelbase
158.94 in
Overall Length
250.08 in
Width
Max w/o mirrors: 81.85 in
Overall Height
79.82 in
Ground Clearance
Front: 10.12 in | Rear: 10.12 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
220-amp alternator