GMC Sierra 2500HD III (GMT900) Extended Cab Standard Box 6.6 Duramax TD V8 (365 Hp) Automatic
People\'s Opinion
N/A / 5
GMC Sierra 2500HD:
The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. Taking its name from the top trim level from the Chevrolet C/K series, the Silverado is offered as a series of full-size pickup trucks, chassis cab trucks, and medium-duty trucks. The fourth generation of the model line was introduced for the 2019 model year.
The Chevrolet Silverado shares mechanical commonality with the identically related GMC Sierra; GMC ended the use of the C/K nomenclature a model generation prior to Chevrolet. In Mexico, high-trim level versions of the Silverado use the Chevrolet Cheyenne name Starting with the LT trim. Standard and "Custom" trims are still called Silverado. Competing against the Ford F-Series, Ram pickup, Toyota Tundra, and Nissan Titan, the Silverado is among the best-selling vehicles in the United States, having sold over 12 million trucks since its introduction in 1998 as a 1999 model year....(Read more on Wikipedia)
III (GMT900) Extended Cab Standard Box Overview:
GMC Sierra 2500HD (III (GMT900) Extended Cab Standard Box). With 895 Nm of torque, it offers ample pulling power. At around 2851 kg, it’s on the heavier side. Rear‑wheel drive offers dynamic handling and sporty feedback. A vehicle with an open cargo bed at the back, suitable for transporting goods. Seating for 5 makes it ideal for daily use.
Performance Verdict
Outstanding power and torque, making it the premier choice for heavy-duty towing and hauling with effortless capability.
Fuel Economy
Best fuel economy among the lineup for its class, though still a heavy-duty diesel. Excellent for long-distance hauling.
Best Use Case:
Heavy-duty towing, commercial applications, long-distance hauling, and demanding work tasks.
Pros and Cons:
Pros:
- • Exceptional towing and hauling capabilities
- • Powerful Duramax diesel engine option
- • Durable and robust construction
- • Comfortable ride for a heavy-duty truck
- • Spacious extended cab
Cons:
- • Poor fuel economy (especially gasoline V8s)
- • Large size can be challenging in urban environments
- • Interior plastics can feel dated
- • Higher maintenance costs for diesel engines
- • Limited maneuverability due to long wheelbase
Specifications:
| General: |
| Brand: | GMC |
|---|
| Model: | Sierra 2500HD |
|---|
| Generation: | III (GMT900) Extended Cab Standard Box |
|---|
| Modification (Engine): | 6.6 Duramax TD V8 (365 Hp) Automatic |
|---|
| Start of production: | 2007 |
|---|
| End of production: | 2010 |
|---|
| Powertrain Architecture: | Internal Combustion engine |
|---|
| Body type: | Pick-up |
|---|
| Seats: | 5 |
|---|
| Doors: | 2 |
|---|
| Engine: |
| Engine systems: | Particulate filter |
|---|
| Power: | 365 Hp @ 3200 rpm. |
|---|
| Power per litre: | 55.3 Hp/l |
|---|
| Torque: | 895 Nm @ 1600 rpm. |
|---|
| Engine Model/Code: | Duramax LMM |
|---|
| Engine displacement: | 6599 |
|---|
| Number of cylinders: | 8 |
|---|
| Engine configuration: | V-engine |
|---|
| Number of valves per cylinder: | 4 |
|---|
| Fuel injection system: | Diesel Commonrail |
|---|
| Engine aspiration: | Turbocharger, Intercooler |
|---|
| Valvetrain: | OHV |
|---|
| Engine oil capacity: | 9.5 l |
|---|
| Coolant: | 24 l |
|---|
| Engine layout: | Front, Longitudinal |
|---|
| Cylinder Bore: | 103 mm mm |
|---|
| Piston Stroke: | 99 mm mm |
|---|
| Compression ratio: | 16.8:1 |
|---|
| Maximum engine speed: | 3450 rpm. |
|---|
| Performance: |
| Fuel Type: | Diesel |
|---|
| Weight-to-power ratio: | 7.8 kg/Hp, 128 Hp/tonne |
|---|
| Weight-to-torque ratio: | 3.2 kg/Nm, 313.9 Nm/tonne |
|---|
| Space: |
| Kerb Weight: | 2851 |
|---|
| Max. weight: | 4173 |
|---|
| Max load: | 1322 |
|---|
| Trunk (boot) space - maximum: | 1718 l |
|---|
| Permitted trailer load with brakes (12%): | 5897 kg |
|---|
| Fuel tank capacity: | 98 l |
|---|
| Size: |
| Length: | 5850 mm mm |
|---|
| Width: | 2032 mm mm |
|---|
| Height: | 1951 mm mm |
|---|
| Wheelbase: | 3645 mm mm |
|---|
| Width including mirrors: | 2032 mm |
|---|
| Front track: | 1744 mm |
|---|
| Rear (Back) track: | 1676 mm |
|---|
| Ride height (ground clearance): | 243 mm |
|---|
| Minimum turning circle (turning diameter): | 14.5 m |
|---|
| Powertrain: |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
|---|
| Drive wheel | Rear wheel drive |
|---|
| Number of gears | 6 |
|---|
| Transmission type | Automatic |
|---|
| Gearbox type | Allison |
|---|
| Front brakes | Ventilated discs, 325x38 mm |
|---|
| Rear brakes | Ventilated discs, 325x30 mm |
|---|
| Assisting systems | ABS (Anti-lock braking system) |
|---|
| Steering type | Cone worm with recirculation balls |
|---|
| Tires size | 245/75 R16; 265/75 R17 |
|---|
| Wheel rims size | 6.5J x 16; 7.5J x 17 |
|---|
| Front suspension | Independent torsion bar, double wishbone |
|---|
| Rear suspension | Rigid axle suspension, Leaf spring |
|---|
Help others decide – share your experience!