GMC Sierra 2500HD IV (GMTK2XX) Crew Cab Long Box 6.6 Duramax TD V8 (397 Hp) Automatic


Overall Rating

8.2 / 10
Safety N/A / 5
Not Rated
Engine 4.5 / 5
Value 4.0 / 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)

IV (GMTK2XX) Crew Cab Long Box Overview:

GMC Sierra 2500HD (IV (GMTK2XX) Crew Cab Long Box). With 1037 Nm of torque, it offers ample pulling power. At around 3262 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 5 makes it ideal for daily use.

6.6 Duramax TD V8 (397 Hp) Automatic Verdict:

Rating 5 stars

Performance Verdict

Exceptional torque and power for heavy-duty towing and hauling, delivering strong acceleration even when fully loaded. A workhorse engine.

Fuel Economy

Good fuel economy for a heavy-duty diesel, especially considering its immense power and capability, though still a large truck.

Best Use Case: Heavy-duty towing, commercial hauling, long-distance work, and demanding tasks requiring maximum pulling power.

Pros and Cons:

Pros:

  • • Exceptional towing and hauling capabilities, especially with Duramax diesel engines.
  • • Wide range of powerful engine options including diesel, gasoline, and CNG.
  • • Durable and robust construction built for heavy-duty work.
  • • Spacious and functional Crew Cab interior.
  • • Strong resale value for well-maintained models.

Cons:

  • • Gasoline engine fuel economy can be poor, especially under load.
  • • Ride quality can be stiff when unladen, typical for heavy-duty trucks.
  • • Large size can make maneuvering in urban environments challenging.
  • • Limited advanced driver-assistance systems compared to modern vehicles.
  • • CNG infrastructure can be scarce in some regions.

Specifications:

Specifications are compared to those of the previous generation(III (GMT900, facelift 2011) Crew Cab Standard Box: 2013 - 2014).

General:
Brand:GMC
Model:Sierra 2500HD
Generation:IV (GMTK2XX) Crew Cab Long Box
Modification (Engine):6.6 Duramax TD V8 (397 Hp) Automatic
Start of production:2015
End of production:2017
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:5
Doors:4
Engine:
Engine systems:Particulate filter
Power:397 Hp @ 3000 rpm. Same horsepower
Power per litre:60.2 Hp/l [462mm more]
Torque:1037 Nm @ 1600 rpm.
Engine Model/Code:Duramax LML More details about the engine Duramax LML
Engine displacement:6599
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:22.4 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:8.2 kg/Hp, 121.7 Hp/tonne
Weight-to-torque ratio:3.1 kg/Nm, 317.9 Nm/tonne
Space:
Kerb Weight:3262
Max. weight:4536
Max load:1274
Trunk (boot) space - maximum:2162 l
Permitted trailer load with brakes (12%):6577 kg
Fuel tank capacity:136 l
Size:
Length:6563 mm mm [462mm more]
Width:2045 mm mm [13mm more]
Height:1981 mm mm [23mm more]
Wheelbase:4258 mm mm [354mm more]
Width including mirrors:2045 mm
Front track:1748 mm
Rear (Back) track:1709 mm
Ride height (ground clearance):211 mm
Minimum turning circle (turning diameter):17.1 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 size245/75 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

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