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Specs of GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed 6.6 V8 (401 Hp) 4WD Automatic /2023, 2024, 2025, 2026/

2024 GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 1
GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 2GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 3GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 4GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 5GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 6GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 7GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 8GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 9GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed - Photo 10

Key specs

GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed 6.6 V8 (401 Hp) 4WD Automatic /Pick-up 2023 - /

What is the body type of GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed?
Pick-up, 4 Doors, 5 Seats
What is the power output of GMC Sierra 2500HD Pick-up 2023 6.6 V8 (401 Hp) 4WD Automatic?
401 Hp, 629 Nm
464 lb.-ft.
What is the number of cylinders in 2023 GMC 6.6 V8 (401 Hp) 4WD Automatic?
8, V-engine
What is the drivetrain of GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed Pick-up 2023 6.6 V8 (401 Hp) 4WD Automatic?
All wheel drive (4x4). Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
What is the length of 2023 GMC Sierra 2500HD Pick-up?
6369 mm
250.75 in.
What is the width of 2023 GMC Sierra 2500HD Pick-up?
2079 mm
81.85 in.
What is the kerb weight of 2023 GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed 6.6 V8 (401 Hp) 4WD Automatic?
3178 kg
7006 lbs.
What is the maximum permissible mass of 2023 GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed 6.6 V8 (401 Hp) 4WD Automatic?
4740 kg
10450 lbs.
What are the number of gears and the gearbox type of 2023 GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed 6.6 V8 (401 Hp) 4WD Automatic?
10, automatic transmission Allison

General information

Brand
Modification (Engine)
6.6 V8 (401 Hp) 4WD Automatic
Start of production
2023
Powertrain Architecture
Internal Combustion engine
Body type
Pick-up
Seats
5
Doors
4
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Performance specs

Fuel Type
Petrol (Gasoline)
Weight-to-power ratio
7.9 kg/Hp, 126.2 Hp/tonne
Weight-to-torque ratio
5.1 kg/Nm, 197.9 Nm/tonne

Engine specs

Power
401 Hp @ 5200 rpm.
Torque
629 Nm @ 4000 rpm. 464 lb.-ft. @ 4000 rpm.
Engine layout
Front, Longitudinal
Engine Model/Code
L8T
Number of cylinders
8
Engine configuration
V-engine
Cylinder Bore
103.25 mm 4.06 in.
Piston Stroke
98 mm 3.86 in.
Compression ratio
10.8:1
Number of valves per cylinder
2
Fuel injection system
Direct injection
Engine aspiration
Naturally aspirated engine
Valvetrain
OHV
Engine oil capacity
7.6 l 8.03 US qt | 6.69 UK qt
Engine oil specification
Coolant
14.6 l 15.43 US qt | 12.85 UK qt

Volume and weights

Kerb Weight
3178 kg 7006 lbs.
Max. weight
4740 kg 10450 lbs.
Max load
1562 kg 3444 lbs.
Fuel tank capacity
136 l 35.93 US gal | 29.92 UK gal
Permitted trailer load with brakes (12%)
7257 kg 15999 lbs.

Dimensions

Length
6369 mm 250.75 in.
Width including mirrors
2079 mm 81.85 in.
Height
2027 mm 79.8 in.
Wheelbase
4037 mm 158.94 in.
Front track
1731 mm 68.15 in.
Rear (Back) track
1736 mm 68.35 in.
Ride height (ground clearance)
257 mm 10.12 in.

Drivetrain, brakes and suspension specs

Drivetrain Architecture
The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary.
Drive wheel
All wheel drive (4x4)
Number of gears and type of gearbox
10 gears, automatic transmission Allison
Front suspension
Independent torsion bar, double wishbone
Rear suspension
Rigid axle suspension, Leaf spring
Front brakes
Ventilated discs, 355x40 mm
Rear brakes
Ventilated discs, 360x34 mm
Assisting systems
ABS (Anti-lock braking system)
Steering type
Recirculating-ball steering
Power steering
Hydraulic Steering
Tire size
245/75 R17; 265/70 R17; 275/70 R18; 275/65 R20
Wheel rim size
7.5J x 17; 8J x 18; 8.5J x 20