Click on image to view the full photo gallery
GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Double Cab Long Bed 6.6 Duramax TD V8 (470 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, facelift 2024) Double Cab Long Bed Overview:
GMC Sierra 2500HD (V (GMTT1XX, facelift 2024) Double Cab Long Bed). With 1322 Nm of torque, it offers ample pulling power. At around 3468 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 (470 Hp) 4WD Automatic Verdict:
Performance Verdict
Combining the immense power (470 Hp) and torque of the Duramax diesel with 4WD capability, this trim offers unparalleled performance for the most demanding towing, hauling, and off-road scenarios.
Fuel Economy
Offers the best fuel economy for heavy-duty applications within the lineup, especially when leveraging its torque for towing, though it remains a large diesel truck.
Pros and Cons:
Pros:
- • Exceptional towing and hauling capabilities, especially with the Duramax diesel.
- • Robust and durable construction designed for heavy-duty work.
- • Comfortable and spacious Double Cab interior with modern amenities.
- • Powerful engine options provide ample performance for any task.
- • Advanced safety and driver-assist features (facelift improvements).
Cons:
- • High fuel consumption, particularly with the petrol V8.
- • Large size can make maneuvering in urban environments challenging.
- • Higher purchase price and potentially higher maintenance costs for diesel models.
- • Ride quality can be firm when unladen, typical for a heavy-duty truck.
Specifications:
Specifications are compared to those of the previous generation(V (GMTT1XX) Double Cab Long Bed: 2020 - 2023).
| General: | |
|---|---|
| Brand: | GMC |
| Model: | Sierra 2500HD |
| Generation: | V (GMTT1XX, facelift 2024) Double Cab Long Bed |
| Modification (Engine): | 6.6 Duramax TD V8 (470 Hp) 4WD Automatic |
| Start of production: | 2023 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Pick-up |
| Seats: | 5 |
| Doors: | 4 |
| Engine: | |
|---|---|
| Engine systems: | Particulate filter |
| Power: | 470 Hp @ 2800 rpm. Same horsepower |
| Power per litre: | 71.2 Hp/l [worst than previous generation] |
| Torque: | 1322 Nm @ 1600 rpm. |
| Engine Model/Code: | L5P More details about the engine 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: | 28.5 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: | 7.4 kg/Hp, 135.5 Hp/tonne |
| Weight-to-torque ratio: | 2.6 kg/Nm, 381.2 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 3468 |
| Max. weight: | 5080 |
| Max load: | 1612 |
| Permitted trailer load with brakes (12%): | 7983 kg |
| Fuel tank capacity: | 136 l |
| Size: | |
|---|---|
| Length: | 6534 mm mm [20mm more] |
| Width: | 2079 mm mm [Same width.] |
| Height: | 2027 mm mm [Same height.] |
| Wheelbase: | 4127 mm mm [Same wheelbase.] |
| Width including mirrors: | 2079 mm |
| Front track: | 1731 mm |
| Rear (Back) track: | 1736 mm |
| Ride height (ground clearance): | 257 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 | Independent torsion bar, double wishbone |
| Rear suspension | Rigid axle suspension, Leaf spring |
Real owners, real reviews. Tell us about your GMC Sierra 2500HD.