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2023 6.6 V8 (401 Hp) Automatic

Technical specifications and auto data, engine info, fuel consumption performance specs, dimensions and volumes

FULL CAR SPECIFICATIONS

GENERAL INFO

Select Units

Brand

GMC

Modification

6.6 V8 (401 Hp) Automatic

Body Type

Pick-up

Start of production

2023

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel tank capacity

136 l 35.93 US gal
29.92 UK gal

Power

401 hp (at 5200 rpm)

Torque

629 Nm (at 4000 rpm) 463.93 lb. ft (at 4000 rpm)

Drive Axle

Rear wheel drive

Gearbox type

Automatic

Number of Gears

10 Allison

Kerb weight

2813 kg 6201.6 lbs

Length

6002 mm 236.3 in

Doors

2

Seats

2

Wheel rims

7.5J x 17; 8J x 18; 8.5J x 20

ENGINE SPECIFICATION

Engine Model

L8T

Powertrain

ICE

Fuel type

Petrol (Gasoline)

Fuel system

Direct injection

Engine Location

Front, Longitudinal

Turbine

none

Power

401 hp (at 5200 rpm)

Torque

629 Nm (at 4000 rpm) 463.93 lb. ft (at 4000 rpm)

Number of cylinders

8

Valves per cylinder

2

Position of cylinders

V-engine

Cylinder Bore

103.25 mm 4.06 in

Piston Stroke

98 mm 3.86 in

Compression ratio

10.8

Valvetrain

OHV

Engine oil capacity

7.6 l 8.06 US qt
6.69 UK qt

Coolant

14.6 l 15.48 US qt
12.85 UK qt

POWER-TO-WEIGHT RATIO (PWR)

Color Index

Dynamic Efficiency

high Performance

DIMENSIONS

Length

6002 mm 236.3 in

Width including mirrors

2076 mm 81.73 in

Height

2030 mm 79.92 in

Wheelbase

3595 mm 141.54 in

Front track

1731 mm 68.15 in

Rear (Back) track

1736 mm 68.35 in

Ride height

259 mm 10.2 in

DRIVETRAIN, SUSPENSION & TIRES

Drive Axle

Rear wheel drive

Number of Gears

10 Allison

Brakes

- Front

Ventilated discs, 355x40 mm

- Rear

Ventilated discs, 360x34 mm

Assisting system

ABS

Steering type

Cone worm with recirculation balls

Power steering

Hydraulic Steering

Suspension

- Front

Independent torsion bar, double wishbone

- Rear

Rigid axle suspension, Leaf spring

Tire size

- Front

245/75 R17; 265/70 R17; 275/70 R18; 275/65 R20

Wheel rims

7.5J x 17; 8J x 18; 8.5J x 20

WEIGHTS & TRUNK SPACE

Kerb weight

2813 kg 6201.6 lbs

Max. weight

4536 kg 10000.2 lbs

Luggage capacity

- Max. roof load

1723 kg 3798.6 lbs

Max. trailer load with brakes

- 12%

6577 kg 14499.8 lbs

MODEL REVIEW
GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Regular Cab Long Bed 6.6 V8 (401 Hp) Automatic is made in