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2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD Automatic

Key specs

GMC Sierra 2500HD Pick-up 2020, 2021, 2022, 2023

What is the body type, GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed?Pick-up, 4 Doors, 5 Seats
How much power, GMC Sierra 2500HD Pick-up 2020 6.6 V8 (401 Hp) 4WD Automatic?401 Hp, 629 Nm
463.93 lb.-ft.
How many cylinders, 2020 GMC 6.6 V8 (401 Hp) 4WD Automatic?8, V-engine
What is the drivetrain, GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed Pick-up 2020 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.
How long is this vehicle, 2020 GMC Sierra 2500HD Pick-up?6514 mm
256.46 in.
How wide is the vehicle, 2020 GMC Sierra 2500HD Pick-up?2079 mm
81.85 in.
What is the curb weight, 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD Automatic?3098 kg
6829.92 lbs.
What is the gross weight, 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD Automatic?4763 kg
10500.62 lbs.
How many gears, What type is the gearbox, 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD Automatic?6, automatic transmission Hydra-Matic

GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed 6.6 V8 (401 Hp) 4WD Automatic 2020, 2021, 2022, 2023 Specs

General information
BrandGMC
Model Sierra 2500HD
Generation Sierra 2500HD V (GMTT1XX) Double Cab Long Bed
Modification (Engine) 6.6 V8 (401 Hp) 4WD Automatic
Start of production 2020 year
End of production 2023 year
Powertrain Architecture Internal Combustion engine
Body typePick-up
Seats 5
Doors 4
Performance specs
Fuel Type Petrol (Gasoline)
Weight-to-power ratio 7.7 kg/Hp, 129.4 Hp/tonne
Weight-to-torque ratio 4.9 kg/Nm, 203 Nm/tonne
Engine specs
Power 401 Hp @ 5200 rpm.
Torque 629 Nm @ 4000 rpm. 463.93 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, VVT
Engine oil capacity 7.6 l 8.03 US qt | 6.69 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 14.6 l 15.43 US qt | 12.85 UK qt
Engine systemsStart & Stop System
Space, Volume and weights
Kerb Weight 3098 kg 6829.92 lbs.
Max. weight 4763 kg 10500.62 lbs.
Max load 1665 kg 3670.7 lbs.
Fuel tank capacity 136 l 35.93 US gal | 29.92 UK gal
Permitted trailer load with brakes (12%) 6577 kg 14499.8 lbs.
Dimensions
Length 6514 mm 256.46 in.
Width including mirrors 2079 mm 81.85 in.
Height 2027 mm 79.8 in.
Wheelbase 4127 mm 162.48 in.
Front track 1731 mm 68.15 in.
Rear (Back) track 1736 mm 68.35 in.
Ride height (ground clearance) 258 mm 10.16 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 6 gears, automatic transmission Hydra-Matic
Front suspension Coil spring, Double wishbone, Transverse stabilizer
Rear suspension Rigid axle suspension, Leaf spring
Front brakesVentilated discs, 355x40 mm
Rear brakesVentilated discs, 360x34 mm
Assisting systemsABS (Anti-lock braking system)
Steering type Cone worm with recirculation balls
Power steering Hydraulic Steering
Tires size 265/70 R17; 245/75 R17; 275/70 R18
Wheel rims size7.5J x 17; 8J x 18