GMC Sierra 2500HD V (GMTT1XX, facelift 2024) Crew Cab Long Bed 6.6 Duramax TD V8 (470 Hp) 4WD Automatic


Overall Rating

7.9 / 10
Safety N/A / 5
Not Rated
Engine 3.9 / 5
Value 3.8 / 5
Performance 4.5 / 5
Comfort 3.5 / 5
People\'s Opinion N/A / 5
Not Rated

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) Crew Cab Long Bed Overview:

GMC Sierra 2500HD (V (GMTT1XX, facelift 2024) Crew Cab Long Bed). With 1322 Nm of torque, it offers ample pulling power. At around 3509 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:

Rating 5 stars

Performance Verdict

The ultimate choice for capability, combining the immense torque of the Duramax diesel with the added traction of 4WD for challenging terrains and extreme towing scenarios.

Fuel Economy

Offers the best balance of power and efficiency for heavy-duty applications, with diesel economy benefits, though 4WD adds a slight penalty compared to 2WD diesel.

Best Use Case: Extreme Towing & Off-Road Work / Severe Weather

Pros and Cons:

Pros:

  • • Exceptional towing and hauling capabilities, especially with the Duramax diesel.
  • • Robust and durable build quality, designed for demanding work.
  • • Comfortable and well-appointed interior for a heavy-duty truck.
  • • Advanced technology and safety features available.
  • • Strong resale value in the heavy-duty truck segment.

Cons:

  • • Poor fuel economy with the gasoline engine, particularly under load.
  • • Large size can be challenging to maneuver and park in urban environments.
  • • High purchase price, especially for higher trims and the diesel engine.
  • • Ride quality can be stiff when the truck is unloaded.
  • • Limited customization options compared to some competitors.

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) Crew 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:7.5 kg/Hp, 133.9 Hp/tonne
Weight-to-torque ratio:2.7 kg/Nm, 376.7 Nm/tonne
Space:
Kerb Weight:3509
Max. weight:5148
Max load:1639
Permitted trailer load with brakes (12%):9072 kg
Fuel tank capacity:136 l
Size:
Length:6776 mm mm [262mm more]
Width:2079 mm mm [Same width.]
Height:2023 mm mm [4mm less]
Wheelbase:4369 mm mm [242mm more]
Width including mirrors:2079 mm
Front track:1731 mm
Rear (Back) track:1736 mm
Ride height (ground clearance):256 mm
Powertrain:
Drivetrain ArchitectureThe 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 wheelAll wheel drive (4x4)
Number of gears10
Transmission typeAutomatic
Gearbox typeAllison
Front brakesVentilated discs, 350x40 mm [Best for performance and cooling.]
Rear brakesVentilated discs, 360x34 mm [Best for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size235/80 R17; 265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20
Wheel rims size7.5J x 17; 8J x 18; 8.5J x 20
Front suspensionIndependent torsion bar, double wishbone
Rear suspensionRigid axle suspension, Leaf spring

Behind the wheel of the GMC Sierra 2500HD. How does it handle on the road?