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GMC Sierra 2500HD V (GMTT1XX) Double Cab Standard Bed 6.6 Duramax TD V8 (445 Hp) 4WD 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)
V (GMTT1XX) Double Cab Standard Bed Overview:
GMC Sierra 2500HD (V (GMTT1XX) Double Cab Standard Bed). With 1234 Nm of torque, it offers ample pulling power. At around 3441 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. A vehicle with an open cargo bed at the back, suitable for transporting goods. Seating for 5 makes it ideal for daily use.
6.6 Duramax TD V8 (445 Hp) 4WD Automatic Verdict:
Performance Verdict
The Duramax diesel is a powerhouse, offering immense torque (typically 910 lb-ft) for class-leading towing and hauling, paired with a robust Allison 10-speed automatic for smooth and confident acceleration even under heavy loads.
Fuel Economy
Significantly better fuel economy than the gasoline V8 when towing or hauling heavy loads, making it the more efficient choice for demanding work and long distances.
Pros and Cons:
Pros:
- • Exceptional towing and hauling capabilities
- • Powerful engine options (gas and diesel)
- • Spacious and comfortable interior for a heavy-duty truck
- • Robust build quality and durability
- • Advanced trailering technology
Cons:
- • High purchase price and running costs
- • Large size can be challenging in urban environments
- • Fuel economy is generally low (especially gasoline)
- • Ride quality can be stiff when unladen
- • Limited maneuverability
Specifications:
Specifications are compared to those of the previous generation(IV (GMTK2XX) Crew Cab Long Box: 2017 - 2019).
| General: | |
|---|---|
| Brand: | GMC |
| Model: | Sierra 2500HD |
| Generation: | V (GMTT1XX) Double Cab Standard Bed |
| Modification (Engine): | 6.6 Duramax TD V8 (445 Hp) 4WD Automatic |
| Start of production: | 2020 |
| End of production: | 2023 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Pick-up |
| Seats: | 5 |
| Doors: | 4 |
| Engine: | |
|---|---|
| Engine systems: | Particulate filter |
| Power: | 445 Hp @ 2800 rpm. |
| Power per litre: | 67.4 Hp/l |
| Torque: | 1234 Nm @ 1600 rpm. |
| Engine Model/Code: | Duramax L5P [Same engine] More details about the engine Duramax L5P |
| Engine displacement: | 6604 |
| 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: | 29.1 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 103 mm mm |
| Piston Stroke: | 99 mm mm |
| Compression ratio: | 16:1 |
| Performance: | |
|---|---|
| Fuel Type: | Diesel |
| Weight-to-power ratio: | 7.7 kg/Hp, 129.3 Hp/tonne |
| Weight-to-torque ratio: | 2.8 kg/Nm, 358.6 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 3441 |
| Max. weight: | 4990 |
| Max load: | 1549 |
| Permitted trailer load with brakes (12%): | 6577 kg |
| Fuel tank capacity: | 111 l |
| Size: | |
|---|---|
| Length: | 6107 mm mm [456mm less] |
| Width: | 2079 mm mm [34mm more] |
| Height: | 2031 mm mm [51mm more] |
| Wheelbase: | 3795 mm mm [463mm less] |
| Width including mirrors: | 2079 mm |
| Front track: | 1731 mm |
| Rear (Back) track: | 1736 mm |
| Ride height (ground clearance): | 259 mm |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4x4) |
| Number of gears | 10 |
| 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 |
| Power steering | Hydraulic Steering |
| Tires size | 235/80 R17; 265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 20 |
| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
| Rear suspension | Rigid axle suspension, Leaf spring |
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