GMC Sierra 2500HD V (GMTT1XX) Regular Cab Long Bed 6.6 V8 (401 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)
V (GMTT1XX) Regular Cab Long Bed Overview:
GMC Sierra 2500HD (V (GMTT1XX) Regular Cab Long Bed). With 629 Nm of torque, it offers ample pulling power. At around 2769 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.
Performance Verdict
This gasoline V8 offers robust performance suitable for demanding applications. With 401 Hp, it delivers strong pulling power, making it a capable workhorse for various tasks.
Fuel Economy
Fuel efficiency is a known challenge for this powerful gasoline V8 in a heavy-duty truck. Expect high fuel consumption, particularly during heavy use or city driving.
Best Use Case:
Heavy-Duty Work, General Towing/Hauling
Pros and Cons:
Pros:
- • Exceptional towing and hauling capabilities, especially with the Duramax diesel.
- • Robust and durable construction built for demanding work.
- • Powerful engine options provide confident performance.
- • Available 4WD enhances off-road and all-weather capability.
- • Spacious and functional interior for a work truck.
Cons:
- • Fuel economy for the gasoline V8 can be very poor.
- • Large size can make maneuvering in tight spaces challenging.
- • Ride quality is firm, typical for a heavy-duty truck.
- • Higher purchase price, particularly for diesel variants.
- • Interior, while functional, may lack the refinement of some competitors.
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) Regular Cab Long Bed |
| Modification (Engine): | 6.6 V8 (401 Hp) Automatic |
| Start of production: | 2020 |
| End of production: | 2023 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Pick-up |
| Seats: | 2 |
| Doors: | 2 |
| Engine: |
| Power: | 401 Hp @ 5200 rpm. Same horsepower |
| Torque: | 629 Nm @ 4000 rpm. |
| Engine Model/Code: | L8T More details about the engine L8T |
| Number of cylinders: | 8 |
| Engine configuration: | V-engine |
| Number of valves per cylinder: | 2 |
| Fuel injection system: | Direct injection |
| Engine aspiration: | Naturally aspirated engine |
| Valvetrain: | OHV, VVT |
| Engine oil capacity: | 7.6 l |
| Coolant: | 14.6 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 103.25 mm mm |
| Piston Stroke: | 98 mm mm |
| Compression ratio: | 10.8:1 |
| Performance: |
| Fuel Type: | Petrol (Gasoline) |
| Weight-to-power ratio: | 6.9 kg/Hp, 144.8 Hp/tonne |
| Weight-to-torque ratio: | 4.4 kg/Nm, 227.2 Nm/tonne |
| Space: |
| Kerb Weight: | 2769 |
| Max. weight: | 4536 |
| Max load: | 1767 |
| Permitted trailer load with brakes (12%): | 6577 kg |
| Fuel tank capacity: | 136 l |
| Size: |
| Length: | 5982 mm mm [581mm less] |
| Width: | 2076 mm mm [31mm more] |
| Height: | 2030 mm mm [50mm more] |
| Wheelbase: | 3595 mm mm [663mm less] |
| Width including mirrors: | 2076 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 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 | Hydra-Matic |
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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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| Power steering | Hydraulic Steering |
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| Tires size | 235/80 R17; 265/70 R17; 245/75 R17; 275/70 R18 |
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| Wheel rims size | 7.5J x 17; 8J x 18 |
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| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
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| Rear suspension | Rigid axle suspension, Leaf spring |
The hidden gems or the annoying flaws? Expose the truth about the GMC Sierra 2500HD!