Gmc 6.6 Duramax TD V8 (445 Hp) 4WD Automatic
General information
No photo
| Power | 445 Hp @ 2800 rpm. |
|---|---|
| Torque | 1234 Nm @ 1600 rpm. |
| Brand |
GMC
|
|---|---|
| Model |
Sierra 2500HD
|
| Generation |
Sierra 2500HD V (GMTT1XX) Double Cab Long 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
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
|
| Body type |
Pick-up
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
|
| Seats |
5
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
|
| Doors |
4
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).
|
FAQ
Performance specs
| Fuel Type |
Diesel
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
|
|---|---|
| Weight-to-power ratio |
7.6 kg/Hp, 131.9 Hp/tonne
|
| Weight-to-torque ratio |
2.7 kg/Nm, 365.7 Nm/tonne
|
Engine specs
| Power |
445 Hp @ 2800 rpm.
|
|---|---|
| Power per litre |
67.4 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
|
| Torque |
1234 Nm @ 1600 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
|
| Engine layout |
Front, Longitudinal
Engine layout defines the position and alignment of the engine block. This layout affects the car’s weight distribution, handling, and interior cabin space.
|
| Engine Model Code |
Duramax L5P
|
| Engine displacement |
6604 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
|
| Number of cylinders |
8
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
|
| Engine configuration |
V-engine
|
| Cylinder bore |
103 mm
|
| Piston stroke |
99 mm
|
| Compression ratio |
16:1
|
| Number of valves per cylinder |
4
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
|
| Fuel injection system |
Diesel Commonrail
|
| Engine aspiration |
Turbocharger, Intercooler
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
|
| Valvetrain |
OHV
|
| Engine oil capacity |
9.5 l
|
| Coolant |
29.1 l
|
| Engine systems |
Particulate filter
|
Space, Volume and weights
| Kerb Weight |
3374 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
|---|---|
| Max. weight |
4944 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
| Max. load |
1570 kg
|
| Fuel tank capacity |
136 l
|
| Permitted trailer load with brakes (12%) |
6577 kg
|
Dimensions
| Length |
6514 mm
|
|---|---|
| Width including mirrors |
2079 mm
|
| Height |
2027 mm
|
| Wheelbase |
4127 mm
|
| Front track |
1731 mm
|
| Rear / Back Track |
1736 mm
|
| Ride height (ground clearance) |
258 mm
|
Drivetrain, brakes and suspension specs
| Drivetrain Architecture |
The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
|
|---|---|
| Drive wheel |
Rear wheel drive
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
|
| Number of gears and type of gearbox |
10 gears, automatic transmission Allison
|
| Front suspension |
Coil spring, Double wishbone, Transverse stabilizer
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
|
| Rear suspension |
Rigid axle suspension, Leaf spring
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
|
| Front brakes |
Ventilated discs, 350x40 mm
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
|
| Rear brakes |
Ventilated discs, 360x34 mm
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
|
| Assisting systems |
ABS (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
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
|
| Wheel rims size |
7.5J x 17; 8J x 18; 8.5J x 20
|
Common OBD2 Fault Codes
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User Reviews
T
Thomas Z.
28 days ago
★★★★★
Perfect size and choice for our small family. N/A economy is better than I expected. The exterior design looks sharp and modern in person. Planning to keep it for a long time.
•
L
Leo 84
13 months ago
★★★★☆
Been driving it for 3 months now. N/A efficiency is surprisingly good for this class. The exterior design looks sharp and modern in person. If you're undecided, just go for it.
•
L
Leo M.
27 weeks ago
★★★★★
Mainly using it for my daily commute to work. Engine performance exceeded my expectations. Spacious interior and practical cargo capacity. No regrets so far, extremely happy with my purchase.
•
H
Harry M.
8 weeks ago
★★★★★
Been driving it for 3 months now. The engine is snappy, great response time. Interior quality is premium for this class. I highly recommend it, won't disappoint.
•
J
James 88
23 months ago
★★★★★
Got this car a few months ago. Acceleration is punchy and satisfying. Sound insulation is great, very quiet cabin at high speeds. Planning to keep it for a long time.
•
A
Arthur B.
23 days ago
★★★☆☆
Anyone knows the real-world N/A usage?
•
J
Jack 88
15 months ago
★★★★★
Mainly using it for my daily commute to work. The 445 Hp @ 2800 rpm. hp feels powerful on the road. Suspension handles bumps and rough roads very smoothly. Planning to keep it for a long time.
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