Gmc 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic
General information
No photo
| Power | 445 Hp @ 2800 rpm. |
|---|---|
| Torque | 1234 Nm @ 1600 rpm. |
| Brand |
GMC
|
|---|---|
| Model |
Sierra 3500HD
|
| Generation |
Sierra 3500HD V (GMTT1XX) Double Cab Long Bed
|
| Modification (Engine) |
6.6 Duramax TD V8 (445 Hp) DRW 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 |
8.1 kg/Hp, 124.1 Hp/tonne
|
| Weight-to-torque ratio |
2.9 kg/Nm, 344.2 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 |
3585 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
|---|---|
| Max. weight |
6350 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
| Max. load |
2765 kg
|
| Fuel tank capacity |
136 l
|
| Permitted trailer load with brakes (12%) |
9072 kg
|
Dimensions
| Length |
6514 mm
|
|---|---|
| Width including mirrors |
2457 mm
|
| Height |
2037 mm
|
| Wheelbase |
4127 mm
|
| Front track |
1731 mm
|
| Rear / Back Track |
1905 mm
|
| Ride height (ground clearance) |
264 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, 355x40 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 |
Steering rack and pinion
|
| Power steering |
Electric Steering
|
| Tires size |
235/80 R17; 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
Similar Models
User Reviews
J
Jack 84
9 weeks ago
★★★★★
Does anyone experience any rattles or squeaks over time?
•
N
Noah 95
28 months ago
★★★★★
Decided on this after deep research. Very responsive throttle, makes highway overtaking a breeze. The exterior design looks sharp and modern in person. Planning to keep it for a long time.
•
T
Thomas M.
13 months ago
★★★★☆
Perfect size and choice for our small family. The engine is snappy, great response time. Interior quality is premium for this class. Definitely a solid choice in this price range.
•
J
Jack S.
26 days ago
★★★★☆
How is the long-term reliability of this model?
•
H
Henry A.
25 months ago
★★★★★
Ordered it immediately after a quick test drive. The 445 Hp @ 2800 rpm. hp feels powerful on the road. The infotainment is fast and lag-free. I highly recommend it, won't disappoint.
•
A
Arthur M.
25 months ago
★★★★★
Anyone knows the real-world N/A usage?
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