Chevrolet Silverado 2500 HD II (GMT900, facelift 2011) Extended Cab Long Box 6.6 Duramax TD V8 (397 Hp) 4WD Automatic


Overall Rating

8 / 10
Safety N/A / 5
Not Rated
Engine 4.5 / 5
Value 3.8 / 5
Performance 4.3 / 5
Comfort 3.5 / 5
People\'s Opinion N/A / 5
Not Rated

Chevrolet Silverado 2500 HD:

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)

II (GMT900, facelift 2011) Extended Cab Long Box Overview:

Chevrolet Silverado 2500 HD (II (GMT900, facelift 2011) Extended Cab Long Box). With 1037 Nm of torque, it offers ample pulling power. At around 3300 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 (397 Hp) 4WD Automatic Verdict:

Rating 5 stars

Performance Verdict

The pinnacle of performance for this generation, combining the Duramax's immense power with the added traction of 4WD for ultimate capability.

Fuel Economy

Offers the best balance of power and fuel efficiency in the heavy-duty 4WD segment, though still a large vehicle.

Best Use Case: Extreme towing and hauling in challenging conditions, off-road heavy work, and demanding commercial applications.

Pros and Cons:

Pros:

  • • Exceptional towing and hauling capacity, especially with the Duramax diesel
  • • Robust and durable build quality, designed for heavy work
  • • Spacious Extended Cab interior for passengers and gear
  • • Available powerful engine options (Duramax and Vortec)
  • • Generally good reliability for a heavy-duty truck

Cons:

  • • Gasoline engine fuel economy can be very poor
  • • Ride quality can be stiff when unladen, typical for HD trucks
  • • Large size can make maneuvering in urban areas challenging
  • • Interior materials, while durable, may feel less refined than some competitors
  • • Limited advanced safety features compared to modern vehicles

Specifications:

Specifications are compared to those of the previous generation(II (GMT900) Regular Cab Long Box: 2007 - 2010).

General:
Brand:Chevrolet
Model:Silverado 2500 HD
Generation:II (GMT900, facelift 2011) Extended Cab Long Box
Modification (Engine):6.6 Duramax TD V8 (397 Hp) 4WD Automatic
Start of production:2011
End of production:2014
Powertrain Architecture:Internal Combustion engine
Body type:Pick-up
Seats:5
Doors:2
Engine:
Engine systems:Particulate filter
Power:397 Hp @ 3000 rpm. Same horsepower
Power per litre:60.2 Hp/l [629mm 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:24 l
Engine layout:Front, Longitudinal
Cylinder Bore:103 mm mm
Piston Stroke:99 mm mm
Compression ratio:16:1
Maximum engine speed:3000 rpm.
Performance:
Fuel Type:Diesel
Weight-to-power ratio:8.3 kg/Hp, 120.3 Hp/tonne
Weight-to-torque ratio:3.2 kg/Nm, 314.2 Nm/tonne
Space:
Kerb Weight:3300
Max. weight:4536
Max load:1236
Trunk (boot) space - maximum:2138 l
Permitted trailer load with brakes (12%):5897 kg
Fuel tank capacity:136 l
Size:
Length:6337 mm mm [629mm more]
Width:2032 mm mm [Same width.]
Height:1971 mm mm [32mm more]
Wheelbase:4018 mm mm [640mm more]
Width including mirrors:2032 mm
Front track:1748 mm
Rear (Back) track:1709 mm
Ride height (ground clearance):214 mm
Minimum turning circle (turning diameter):15.8 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 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 suspensionIndependent torsion bar, double wishbone
Rear suspensionRigid axle suspension, Leaf spring

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