2023 6.6 Duramax TD V8 (470 Hp) 4WD Automatic

Brand

GMC

Model

Sierra 2500HD

Generation

GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Regular Cab Long Bed

Modification

6.6 Duramax TD V8 (470 Hp) 4WD Automatic

Body Type

Pick-up

Start of production

2023

Powertrain

ICE

Fuel type

Diesel

Fuel tank capacity

106 l 28 US gal
23.32 UK gal

Engine displacement

6604 cm³ 403 cu. In.

Power

470 hp (at 2800 rpm)

Torque

1322 Nm (at 1600 rpm) 975.06 lb. ft (at 1600 rpm)

Drive Axle

All wheel drive (4x4)

Gearbox type

Automatic

Number of Gears

10 Allison

Kerb weight

3180 kg 7010.7 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 Model

L5P

Powertrain

ICE

Fuel type

Diesel

Fuel system

Diesel Commonrail

Engine Location

Front, Longitudinal

Turbine

Turbocharger

Engine systems

Particulate filter

Engine displacement

6604 cm³ 403 cu. In.

Power

470 hp (at 2800 rpm)

Torque

1322 Nm (at 1600 rpm) 975.06 lb. ft (at 1600 rpm)

Number of cylinders

8

Valves per cylinder

4

Position of cylinders

V-engine

Cylinder Bore

103 mm 4.06 in

Piston Stroke

99 mm 3.9 in

Compression ratio

16

Valvetrain

OHV

Engine oil capacity

9.5 l 10.07 US qt
8.36 UK qt

Coolant

28.5 l 30.21 US qt
25.08 UK qt

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

Drive Axle

All wheel drive (4x4)

Number of Gears

10 Allison

Brakes

- Front

Ventilated discs, 350x40 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

235/80 R17; 265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20

Wheel rims

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

Kerb weight

3180 kg 7010.7 lbs

Max. weight

4944 kg 10899.7 lbs

Luggage capacity

- Max. roof load

1764 kg 3889 lbs

Max. trailer load with brakes

- 12%

6577 kg 14499.8 lbs