Gmc 6.6 Duramax TD V8 (397 Hp) Automatic
General information
| Power | 397 Hp @ 3000 rpm. |
|---|---|
| Torque | 1037 Nm @ 1600 rpm. |
| Brand |
GMC
|
|---|---|
| Model |
Sierra 2500HD
|
| Generation |
Sierra 2500HD III (GMT900, facelift 2011) Crew Cab Standard Box
|
| Modification (Engine) |
6.6 Duramax TD V8 (397 Hp) Automatic
|
| Start of production |
2011 year
|
| End of production |
2014 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 |
5
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, 123.8 Hp/tonne
|
| Weight-to-torque ratio |
3.1 kg/Nm, 323.5 Nm/tonne
|
Engine specs
| Power |
397 Hp @ 3000 rpm.
|
|---|---|
| Power per litre |
60.2 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 |
1037 Nm @ 1600 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
|
| Maximum engine speed |
3000 rpm.
|
| 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 LML
|
| Engine displacement |
6599 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 |
24 l
|
| Engine systems |
Particulate filter
|
Space, Volume and weights
| Kerb Weight |
3206 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
|---|---|
| Max. weight |
4536 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
|
| Max. load |
1330 kg
|
| Trunk (boot) space - maximum |
1718 l
|
| Fuel tank capacity |
136 l
|
| Permitted trailer load with brakes (12%) |
5897 kg
|
Dimensions
| Length |
6101 mm
|
|---|---|
| Width including mirrors |
2032 mm
|
| Height |
1958 mm
|
| Wheelbase |
3904 mm
|
| Front track |
1748 mm
|
| Rear / Back Track |
1709 mm
|
| Ride height (ground clearance) |
213 mm
|
| Minimum turning circle (turning diameter) |
15.4 m
|
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 |
6 gears, automatic transmission Allison
|
| Front suspension |
Independent torsion bar, double wishbone
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
|
| Tires size |
245/75 R17; 265/70 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
O
Oscar V.
2 months ago
★★★★☆
Ordered it immediately after a quick test drive. N/A efficiency is surprisingly good for this class. The handling in corners is very safe. Worth every single penny spent.
•
T
Thomas 90
27 months ago
★★★★★
Been driving it for 3 months now. N/A efficiency is surprisingly good for this class. The infotainment is fast and lag-free. If you are thinking about buying one, go test drive it.
•
T
Thomas X
10 weeks ago
★★★★★
Bought a used model in great condition last year. N/A efficiency is surprisingly good for this class. Comfort is top-notch, great seats. Planning to keep it for a long time.
•
T
Thomas M.
13 months ago
★★★★★
Does anyone experience any rattles or squeaks over time?
•
J
Jack X
13 days ago
★★★★★
Switched from a different brand. The 397 Hp @ 3000 rpm. hp feels more than enough for daily driving. Comfort is top-notch, great seats. Definitely a solid choice in this price range.
•
L
Leo A.
18 months ago
★★★★★
Perfect size and choice for our small family. N/A economy is better than I expected. Sound insulation is great, very quiet cabin at high speeds. Definitely a solid choice in this price range.
•
J
James X
7 days ago
★★★★★
Bought a used model in great condition last year. Acceleration is punchy and satisfying. Suspension handles bumps and rough roads very smoothly. Definitely a solid choice in this price range.
•