GMC Sierra 2500HD III (GMT900) Crew Cab Long Box 6.0 V8 (360 Hp) 4WD Automatic
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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) Crew Cab Long Box Overview:
GMC Sierra 2500HD (III (GMT900) Crew Cab Long Box). With 515 Nm of torque, it offers ample pulling power. At around 2785 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.
Performance Verdict
A capable gasoline engine offering smooth power delivery suitable for general hauling and moderate towing. The 4WD enhances traction and versatility.
Fuel Economy
Significantly lower fuel economy than the diesel, especially when towing or in city driving. Expect frequent fuel stops under heavy use.
Best Use Case:
General utility, moderate towing, off-road capability, and regions where diesel fuel is less accessible or preferred.
Pros and Cons:
Pros:
- • Exceptional towing and hauling capabilities, especially with the Duramax diesel
- • Robust and durable build quality, designed for heavy work
- • Spacious Crew Cab interior offers comfort for multiple passengers
- • Proven powertrain reliability (Duramax and Allison transmission)
- • Strong resale value for diesel models
Cons:
- • Poor fuel economy with gasoline engines, particularly under load
- • Large size can make maneuvering and parking challenging in urban areas
- • Ride quality can be stiff when unladen, typical for heavy-duty trucks
- • Interior materials, while durable, may feel less refined than some competitors
- • High initial purchase price and maintenance costs for diesel variants
Specifications:
| General: |
| Brand: | GMC |
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| Model: | Sierra 2500HD |
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| Generation: | III (GMT900) Crew Cab Long Box |
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| Modification (Engine): | 6.0 V8 (360 Hp) 4WD Automatic |
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| Start of production: | 2007 |
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| End of production: | 2010 |
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| Powertrain Architecture: | Internal Combustion engine |
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| Body type: | Pick-up |
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| Seats: | 5 |
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| Doors: | 4 |
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| Engine: |
| Power: | 360 Hp @ 5400 rpm. |
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| Power per litre: | 60.3 Hp/l |
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| Torque: | 515 Nm @ 4200 rpm. |
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| Engine Model/Code: | Vortec LY6 |
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| Engine displacement: | 5967 |
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| Number of cylinders: | 8 |
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| Engine configuration: | V-engine |
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| Number of valves per cylinder: | 2 |
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| Fuel injection system: | Multi-port manifold injection |
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| Engine aspiration: | Naturally aspirated engine |
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| Valvetrain: | OHV |
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| Engine oil capacity: | 5.7 l |
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| Coolant: | 15.5 l |
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| Engine layout: | Front, Longitudinal |
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| Cylinder Bore: | 101.6 mm mm |
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| Piston Stroke: | 92 mm mm |
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| Compression ratio: | 9.6:1 |
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| Maximum engine speed: | 6000 rpm. |
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| Performance: |
| Fuel Type: | Petrol (Gasoline) |
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| Weight-to-power ratio: | 7.7 kg/Hp, 129.3 Hp/tonne |
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| Weight-to-torque ratio: | 5.4 kg/Nm, 184.9 Nm/tonne |
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| Space: |
| Kerb Weight: | 2785 |
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| Max. weight: | 4173 |
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| Max load: | 1388 |
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| Trunk (boot) space - maximum: | 2138 l |
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| Permitted trailer load with brakes (12%): | 5488 kg |
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| Fuel tank capacity: | 129 l |
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| Size: |
| Length: | 6572 mm mm |
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| Width: | 2436 mm mm |
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| Height: | 1930 mm mm |
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| Wheelbase: | 4242 mm mm |
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| Width including mirrors: | 2436 mm |
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| Front track: | 1744 mm |
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| Rear (Back) track: | 1676 mm |
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| Ride height (ground clearance): | 243 mm |
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| Minimum turning circle (turning diameter): | 16.8 m |
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| 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. |
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| Drive wheel | All wheel drive (4x4) |
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| Number of gears | 6 |
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| Transmission type | Automatic |
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| Gearbox type | Hydra-Matic |
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| Front brakes | Ventilated discs, 325x38 mm |
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| Rear brakes | Ventilated discs, 325x30 mm |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Steering type | Cone worm with recirculation balls |
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| Tires size | 245/75 R16; 265/75 R17 |
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| Wheel rims size | 6.5J x 16; 7.5J x 17 |
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| Front suspension | Independent torsion bar, double wishbone |
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| Rear suspension | Rigid axle suspension, Leaf spring |
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