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2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed 6.6 Duramax TD V8 (445 Hp) Automatic

Key specs

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

What is the body type, GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed?Pick-up, 4 Doors, 5 Seats
How much power, GMC Sierra 2500HD Pick-up 2020 6.6 Duramax TD V8 (445 Hp) Automatic?445 Hp, 1234 Nm
910.15 lb.-ft.
What is the engine size, GMC Sierra 2500HD Pick-up 2020 6.6 Duramax TD V8 (445 Hp) Automatic?6.6 l
6604 cm3
403 cu. in.
How many cylinders, 2020 GMC 6.6 Duramax TD V8 (445 Hp) Automatic?8, V-engine
What is the drivetrain, GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed Pick-up 2020 6.6 Duramax TD V8 (445 Hp) Automatic?Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
How long is this vehicle, 2020 GMC Sierra 2500HD Pick-up?6107 mm
240.43 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 Standard Bed 6.6 Duramax TD V8 (445 Hp) Automatic?3299 kg
7273.05 lbs.
What is the gross weight, 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed 6.6 Duramax TD V8 (445 Hp) Automatic?4854 kg
10701.24 lbs.
How many gears, What type is the gearbox, 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed 6.6 Duramax TD V8 (445 Hp) Automatic?10, automatic transmission Allison

GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed 6.6 Duramax TD V8 (445 Hp) Automatic 2020, 2021, 2022, 2023 Specs

General information
BrandGMC
Model Sierra 2500HD
Generation Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed
Modification (Engine) 6.6 Duramax TD V8 (445 Hp) 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 Diesel
Weight-to-power ratio 7.4 kg/Hp, 134.9 Hp/tonne
Weight-to-torque ratio 2.7 kg/Nm, 374.1 Nm/tonne
Engine specs
Power 445 Hp @ 2800 rpm.
Power per litre 67.4 Hp/l
Torque 1234 Nm @ 1600 rpm. 910.15 lb.-ft. @ 1600 rpm.
Engine layout Front, Longitudinal
Engine Model/Code Duramax L5P
Engine displacement 6604 cm3 403 cu. in.
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 103 mm 4.06 in.
Piston Stroke 99 mm 3.9 in.
Compression ratio 16:1
Number of valves per cylinder 4
Fuel injection system Diesel Commonrail
Engine aspiration Turbocharger, Intercooler
Valvetrain OHV
Engine oil capacity 9.5 l 10.04 US qt | 8.36 UK qt
Engine oil specification Log in to see.Log in to see.
Coolant 29.1 l 30.75 US qt | 25.6 UK qt
Engine systemsParticulate filter
Space, Volume and weights
Kerb Weight 3299 kg 7273.05 lbs.
Max. weight 4854 kg 10701.24 lbs.
Max load 1555 kg 3428.19 lbs.
Fuel tank capacity 111 l 29.32 US gal | 24.42 UK gal
Permitted trailer load with brakes (12%) 6577 kg 14499.8 lbs.
Dimensions
Length 6107 mm 240.43 in.
Width including mirrors 2079 mm 81.85 in.
Height 2031 mm 79.96 in.
Wheelbase 3795 mm 149.41 in.
Front track 1731 mm 68.15 in.
Rear (Back) track 1736 mm 68.35 in.
Ride height (ground clearance) 259 mm 10.2 in.
Drivetrain, brakes and suspension specs
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 10 gears, automatic transmission Allison
Front suspension Coil spring, Double wishbone, Transverse stabilizer
Rear suspension Rigid axle suspension, Leaf spring
Front brakesVentilated discs, 350x40 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; 265/70 R18; 265/60 R20
Wheel rims size7.5J x 17; 8J x 18; 8.5J x 20