GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed 6.6 V8 (401 Hp) Automatic | Technical specs, data, fuel consumption, Dimensions

2020 GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed - Photo 1

Key specs

GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed 6.6 V8 (401 Hp) Automatic /Pick-up 2020 - 2023/

What is the body type of GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed?

Pick-up, 4 Doors, 5 Seats

What is the power output of GMC Sierra 2500HD Pick-up 2020 6.6 V8 (401 Hp) Automatic?

401 Hp, 629 Nm
464 lb.-ft.

What is the number of cylinders in 2020 GMC 6.6 V8 (401 Hp) Automatic?

8, V-engine

What is the drivetrain of GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed Pick-up 2020 6.6 V8 (401 Hp) Automatic?

Rear wheel drive. Internal Combustion engine. The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

What is the length of 2020 GMC Sierra 2500HD Pick-up?

6759 mm
266.1 in.

What is the width of 2020 GMC Sierra 2500HD Pick-up?

2079 mm
81.85 in.

What is the kerb weight of 2020 GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed 6.6 V8 (401 Hp) Automatic?

3009 kg
6634 lbs.

What is the maximum permissible mass of 2020 GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed 6.6 V8 (401 Hp) Automatic?

4672 kg
10300 lbs.

What are the number of gears and the gearbox type of 2020 GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed 6.6 V8 (401 Hp) Automatic?

6, automatic transmission Hydra-Matic

GMC
- GMC Sierra 2500HD
  - Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed
    - 6.6 V8 (401 Hp) Automatic
    - 6.6 V8 (401 Hp) 4WD Automatic
    - 6.6 Duramax TD V8 (445 Hp) Automatic
    - 6.6 Duramax TD V8 (445 Hp) 4WD Automatic

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General information

Brand

GMC

Model

Sierra 2500HD

Generation

Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed

Modification (Engine)

6.6 V8 (401 Hp) Automatic

Start of production

2020

End of production

2023

Powertrain Architecture

Internal Combustion engine

Body type

Pick-up

Seats

Doors

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Performance specs

Fuel Type

Petrol (Gasoline)

Weight-to-power ratio

7.5 kg/Hp, 133.3 Hp/tonne

Weight-to-torque ratio

4.8 kg/Nm, 209 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

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

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

Coolant

14.6 l 15.43 US qt | 12.85 UK qt

Volume and weights

Kerb Weight

3009 kg 6634 lbs.

Max. weight

4672 kg 10300 lbs.

Max load

1663 kg 3666 lbs.

Fuel tank capacity

136 l 35.93 US gal | 29.92 UK gal

Permitted trailer load with brakes (12%)

6577 kg 14500 lbs.

Dimensions

Length

6759 mm 266.1 in.

Width including mirrors

2079 mm 81.85 in.

Height

2023 mm 79.65 in.

Wheelbase

4369 mm 172.01 in.

Front track

1731 mm 68.15 in.

Rear (Back) track

1736 mm 68.35 in.

Ride height (ground clearance)

256 mm 10.08 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

6 gears, automatic transmission Hydra-Matic

Front suspension

Coil spring, Double wishbone, Anti-roll bar

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

265/70 R17; 245/75 R17; 275/70 R18

Wheel rim size

7.5J x 17; 8J x 18

Specs of GMC Sierra 2500HD V (GMTT1XX) Crew Cab Long Bed 6.6 V8 (401 Hp) Automatic /2020, 2021, 2022, 2023/