GMC Sierra 2500HD IV (GMTK2XX) Double Cab Standard Box 6.6 Duramax TD V8 (445 Hp) 4WD Automatic


Overall Rating

8.2 / 10
Safety N/A / 5
Not Rated
Engine 4.5 / 5
Value 3.9 / 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) Double Cab Standard Box Overview:

GMC Sierra 2500HD (IV (GMTK2XX) Double Cab Standard Box). With 1234 Nm of torque, it offers ample pulling power. At around 3317 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 (445 Hp) 4WD Automatic Verdict:

Rating 5 stars

Performance Verdict

The most powerful diesel option, offering exceptional horsepower and torque for unparalleled towing and hauling capabilities, combined with 4WD for ultimate traction.

Fuel Economy

Despite the significant power increase, this engine maintains respectable fuel efficiency for its class, especially when considering its work potential.

Best Use Case: Maximum towing and hauling, commercial applications, extreme off-road or challenging terrain, premium heavy-duty performance.

Pros and Cons:

Pros:

  • • Exceptional towing and hauling capabilities
  • • Powerful and reliable Duramax diesel engine options
  • • Spacious and comfortable interior for a work truck
  • • Robust build quality and durability
  • • Available 4WD for enhanced off-road and all-weather performance

Cons:

  • • High fuel consumption, especially with gasoline V8s
  • • Large size can be challenging for urban maneuvering and parking
  • • Ride quality can be stiff when unloaded
  • • Interior materials, while durable, may not feel as premium as some rivals
  • • High maintenance costs for heavy-duty components

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) Double Cab Standard Box
Modification (Engine):6.6 Duramax TD V8 (445 Hp) 4WD Automatic
Start of production:2017
End of production:2019
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:5
Doors:4
Engine:
Engine systems:Particulate filter
Power:445 Hp @ 2800 rpm. Same horsepower
Power per litre:67.4 Hp/l [721mm 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:7.5 kg/Hp, 134.2 Hp/tonne
Weight-to-torque ratio:2.7 kg/Nm, 372 Nm/tonne
Space:
Kerb Weight:3317
Max. weight:4536
Max load:1219
Trunk (boot) space - maximum:1728 l
Permitted trailer load with brakes (12%):5897 kg
Fuel tank capacity:136 l
Size:
Length:5842 mm mm [721mm less]
Width:2045 mm mm [Same width.]
Height:1983 mm mm [2mm more]
Wheelbase:3662 mm mm [596mm less]
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):15 m [above average]
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 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

The hidden gems or the annoying flaws? Expose the truth about the GMC Sierra 2500HD!