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GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box 6.6 Duramax TD V8 (397 Hp) Automatic
Overall Rating
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, facelift 2011) Regular Cab Long Box Overview:
GMC Sierra 2500HD (III (GMT900, facelift 2011) Regular Cab Long Box). With 1037 Nm of torque, it offers ample pulling power. At around 2934 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 2 makes it ideal for daily use.
6.6 Duramax TD V8 (397 Hp) Automatic Verdict:
Performance Verdict
Exceptional torque and horsepower for heavy-duty towing and hauling, making it the top choice for demanding tasks and commercial applications.
Fuel Economy
Best-in-class fuel economy for a heavy-duty truck, especially when towing, though still a large diesel. Offers good range for long hauls.
Pros and Cons:
Pros:
- • Exceptional towing and hauling capacity, especially with the Duramax diesel.
- • Robust and durable build quality, designed for heavy-duty work.
- • Available CNG option provides a cost-effective and environmentally friendlier fuel alternative for fleets.
- • Comfortable interior for a work truck, with practical features.
Cons:
- • Fuel economy of gasoline engines can be poor, particularly under load.
- • Large size and long wheelbase can make maneuvering in tight spaces challenging.
- • Ride comfort can be stiff when the truck is unloaded, typical for heavy-duty suspensions.
- • Limited advanced technology features compared to modern trucks.
Specifications:
Specifications are compared to those of the previous generation(III (GMT900) Extended Cab Long Box: 2007 - 2010).
| General: | |
|---|---|
| Brand: | GMC |
| Model: | Sierra 2500HD |
| Generation: | III (GMT900, facelift 2011) Regular Cab Long Box |
| Modification (Engine): | 6.6 Duramax TD V8 (397 Hp) Automatic |
| Start of production: | 2011 |
| End of production: | 2014 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Pick-up |
| Seats: | 2 |
| Doors: | 2 |
| Engine: | |
|---|---|
| Engine systems: | Particulate filter |
| Power: | 397 Hp @ 3000 rpm. Same horsepower |
| Power per litre: | 60.2 Hp/l [615mm less] |
| Torque: | 1037 Nm @ 1600 rpm. |
| Engine Model/Code: | Duramax LML More details about the engine Duramax LML |
| 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: | 16:1 |
| Maximum engine speed: | 3000 rpm. |
| Performance: | |
|---|---|
| Fuel Type: | Diesel |
| Weight-to-power ratio: | 7.4 kg/Hp, 135.3 Hp/tonne |
| Weight-to-torque ratio: | 2.8 kg/Nm, 353.4 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 2934 |
| Max. weight: | 4491 |
| Max load: | 1557 |
| Trunk (boot) space - maximum: | 2138 l |
| Permitted trailer load with brakes (12%): | 5897 kg |
| Fuel tank capacity: | 136 l |
| Size: | |
|---|---|
| Length: | 5715 mm mm [615mm less] |
| Width: | 2032 mm mm [404mm less] |
| Height: | 1971 mm mm [41mm more] |
| Wheelbase: | 3369 mm mm [632mm less] |
| Width including mirrors: | 2032 mm |
| Front track: | 1748 mm |
| Rear (Back) track: | 1709 mm |
| Ride height (ground clearance): | 231 mm |
| Minimum turning circle (turning diameter): | 13.7 m [above average] |
| 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, 350x40 mm [Best for performance and cooling.] |
| Rear brakes | Ventilated discs, 360x34 mm [Best for performance and cooling.] |
| 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 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 20 |
| Front suspension | Independent torsion bar, double wishbone |
| Rear suspension | Rigid axle suspension, Leaf spring |
Does the GMC Sierra 2500HD live up to the hype? Give us your verdict!