GMC Sierra 2500HD IV (GMTK2XX) Regular Cab Long Box 6.6 Duramax TD V8 (445 Hp) Automatic


Overall Rating

8.3 / 10
Safety N/A / 5
Not Rated
Engine 4.3 / 5
Value 4.0 / 5
Performance 4.5 / 5
Comfort 3.8 / 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)

IV (GMTK2XX) Regular Cab Long Box Overview:

GMC Sierra 2500HD (IV (GMTK2XX) Regular Cab Long Box). With 1234 Nm of torque, it offers ample pulling power. At around 2604 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.

6.6 Duramax TD V8 (445 Hp) Automatic Verdict:

Rating 5 stars

Performance Verdict

Delivers outstanding power and torque, making it a top choice for serious towing and hauling. The RWD configuration is ideal for maximum payload and on-road efficiency.

Fuel Economy

Excellent fuel efficiency for a heavy-duty truck, especially given its power output. The RWD setup can offer a slight edge in mpg over 4WD versions.

Best Use Case: Maximum Towing & Hauling, Commercial Transport, On-Road Heavy Work

Pros and Cons:

Pros:

  • • Exceptional towing and hauling capabilities, especially with Duramax diesel engines.
  • • Robust and durable construction designed for heavy-duty work.
  • • Comfortable and well-appointed interior for a work truck.
  • • Strong resale value, particularly for diesel models.
  • • Available 4WD enhances versatility and off-road capability.

Cons:

  • • Large size can make maneuvering in tight spaces challenging.
  • • Fuel economy for gasoline engines is relatively poor.
  • • Ride quality can be stiff when unladen, typical for heavy-duty trucks.
  • • Higher purchase price for diesel models and premium trims.
  • • Limited advanced safety features compared to modern passenger vehicles.

Specifications:

Specifications are compared to those of the previous generation(IV (GMTK2XX) Crew Cab Long Box: 2015 - 2017).

General:
Brand:GMC
Model:Sierra 2500HD
Generation:IV (GMTK2XX) Regular Cab Long Box
Modification (Engine):6.6 Duramax TD V8 (445 Hp) Automatic
Start of production:2017
End of production:2019
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:2
Doors:2
Engine:
Engine systems:Particulate filter
Power:445 Hp @ 2800 rpm. Same horsepower
Power per litre:67.4 Hp/l [864mm less]
Torque:1234 Nm @ 1600 rpm.
Engine Model/Code:Duramax L5P More details about the engine Duramax 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:29.7 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:5.9 kg/Hp, 170.9 Hp/tonne
Weight-to-torque ratio:2.1 kg/Nm, 473.9 Nm/tonne
Space:
Kerb Weight:2604
Max. weight:4218
Max load:1614
Trunk (boot) space - maximum:2162 l
Permitted trailer load with brakes (12%):6577 kg
Fuel tank capacity:136 l
Size:
Length:5699 mm mm [864mm less]
Width:2035 mm mm [10mm less]
Height:1976 mm mm [5mm less]
Wheelbase:3393 mm mm [865mm less]
Width including mirrors:2035 mm
Front track:1748 mm
Rear (Back) track:1709 mm
Minimum turning circle (turning diameter):14 m [above average]
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears6
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 typeCone worm with recirculation balls
Tires size235/80 R17; 265/70 R17; 265/70 R18; 265/60 R20
Wheel rims size7.5J x 17; 8J x 18; 8.5J x 20
Front suspensionCoil spring, Double wishbone, Transverse stabilizer
Rear suspensionRigid axle suspension, Leaf spring

If you could change one thing about the GMC Sierra 2500HD, what would it be?