GMC Sierra 2500HD IV (GMTK2XX) Double Cab Long Box 6.6 Duramax TD V8 (397 Hp) 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)
IV (GMTK2XX) Double Cab Long Box Overview:
GMC Sierra 2500HD (IV (GMTK2XX) Double Cab Long Box). With 1037 Nm of torque, it offers ample pulling power. At around 3202 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
Exceptional torque and power from the Duramax LML, making it ideal for heavy towing and hauling with smooth, robust automatic shifts.
Fuel Economy
Offers best-in-class fuel economy for a heavy-duty diesel, though still a large truck with significant consumption.
Best Use Case:
Heavy-duty towing, commercial hauling, long-distance highway travel, and demanding work applications.
Pros and Cons:
Pros:
- • Exceptional towing and hauling capabilities, especially with Duramax diesel
- • Powerful and reliable Duramax diesel engine options
- • Robust and durable construction designed for heavy work
- • Comfortable and well-appointed interior for a heavy-duty truck
- • Available advanced safety features for its time
Cons:
- • Large size can be challenging to maneuver and park in urban environments
- • Fuel economy for gasoline models is significantly lower than diesel
- • Higher purchase price for diesel variants and top trims
- • Ride quality can be stiff when the truck is unloaded
- • Limited Euro NCAP safety data due to its market focus
Specifications:
Specifications are compared to those of the previous generation(III (GMT900, facelift 2011) Crew Cab Standard Box: 2013 - 2014).
| General: |
| Brand: | GMC |
| Model: | Sierra 2500HD |
| Generation: | IV (GMTK2XX) Double Cab Long Box |
| Modification (Engine): | 6.6 Duramax TD V8 (397 Hp) Automatic |
| Start of production: | 2015 |
| End of production: | 2017 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Pick-up |
| Seats: | 5 |
| Doors: | 4 |
| Engine: |
| Engine systems: | Particulate filter |
| Power: | 397 Hp @ 3000 rpm. Same horsepower |
| Power per litre: | 60.2 Hp/l [220mm more] |
| 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: | 22.4 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: | 8.1 kg/Hp, 124 Hp/tonne |
| Weight-to-torque ratio: | 3.1 kg/Nm, 323.9 Nm/tonne |
| Space: |
| Kerb Weight: | 3202 |
| Max. weight: | 4536 |
| Max load: | 1334 |
| Trunk (boot) space - maximum: | 2162 l |
| Permitted trailer load with brakes (12%): | 6577 kg |
| Fuel tank capacity: | 136 l |
| Size: |
| Length: | 6321 mm mm [220mm more] |
| Width: | 2045 mm mm [13mm more] |
| Height: | 1978 mm mm [20mm more] |
| Wheelbase: | 4017 mm mm [113mm more] |
| Width including mirrors: | 2045 mm |
| Front track: | 1748 mm |
| Rear (Back) track: | 1709 mm |
| Ride height (ground clearance): | 216 mm |
| Minimum turning circle (turning diameter): | 16.2 m [above average] |
| Powertrain: |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
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| Drive wheel | Rear wheel drive |
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| Number of gears | 6 |
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| Transmission type | Automatic |
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| Gearbox type | Allison |
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| Front brakes | Ventilated discs, 355x40 mm [Best for performance and cooling.] |
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| Rear brakes | Ventilated discs, 360x34 mm [Best for performance and cooling.] |
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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 R17; 265/70 R17; 265/70 R18; 265/60 R20 |
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| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 20 |
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| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
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| Rear suspension | Rigid axle suspension, Leaf spring |
Is the GMC Sierra 2500HD your dream ride or just a daily drive? Let's talk!