2012 Chevrolet Silverado 2500HD

Basic Specs

Base Price $28,315
Drivetrain Rear Wheel Drive
Curb Weight (lbs) 5808
City (MPG) TBD
Hwy (MPG) TBD
Horsepower 360@5400
Torque (lb-ft) 380@4200
Wheelbase 133.6
Length (in.) 225.0
Width (in.) 80.0
Height (in.) 77.5

The Silverado 2500HD is the Heavy Duty version of Chevrolet 's full-size pickup truck. For the latest model Chevrolet spent considerable time and effort reworking the powertrains and chassis underpinning the truck, but stopped short of a major reworking of the trucks' sheet metal.

One of the most significant changes for the Silverado HD will be the class-leading 6.6-liter Duramax diesel, which boasts 397 horsepower and 767 lb-ft of torque. the new Duramax provides for an extra 32 horsepower and an additional 105 lb-ft of torque over last year's engine. The Duramax engine's new glow plugs can prepare the engine for starts in as little as 3 seconds in -20F weather.

A 36-gallon gas tank is now standard, giving the 6.6-liter Duramax a roughly 680-mile range.

An enhanced Allison 1000 six-speed automatic transmission will also be part of the new package. It will come with tap up/tap down driver shift control and an elevated idle mode to speed the warm-up process. GM says that the transmission helps 6.6-liter 2500 HD models accelerate to 60 mph in less than 9 seconds, a 0.3 second improvement over the outgoing model.

The Silverado 2500HD will come standard with a mildly modified 6.0-liter V8, good for 360 horsepower and 380 lb-ft of torque, which is hooked up to the automaker's 6L90 six-speed automatic. A new camshaft profile increases low-end torque for better off-the-line performance and better high-altitude trailering.

GM is especially proud of the Silverado HD's new exhaust brake system, which uses the turbine control of the turbocharger and the engine's compression to generate backpressure to slow the truck without using the brakes or transmission. The system is designed to work more efficiently and quieter than existing trailer braking systems in higher altitudes.

Still, Chevrolet has upgraded the the Silverado HD's brakes to a four-channel ABS system on single rear-wheel models and a three-channel system on dualies. The front and rear rotors are increased to 14 inches in diameter and the booster has been recalibrated.

Wheelbases are increased across the line to go with a the 11 new fully-boxed frames. GM says rigidity us up 92 percent in bending and 20 percent in beaming, while the front structure is 125 percent stiffer than before. The frame-mounted hitch is now stronger thanks to a box tube design; it now supports 16,000 lbs.

The new frames hold an all-new independent front suspension that has a 25 percent greater front axle rating (6,000 lbs.). The basic design is unchanged, but stronger forged steel upper control arms and cast iron lower control arms add strength and reduce weight. GM says that the system improves handling and ride while increasing strength for front end attachments.

The rear leaf spring suspension gains a larger asymmetrical leaf design that are wider than existing models. The 2500HD models get a two-stage leaf spring design, while 3500HDs get a three-stage setup. Gross rear axle ratings are up across the board.

The all-new Silverado HD also offers 170-degree rear access doors for extended cab models, bolstering interior cargo hauling ability.

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    • General
    • Body Style: Pickup Truck
    • Size: Fullsize
    • Market Segment: Standard
    • Weight: 5808 lbs
    • Exterior
    • Length: 225.0 in.
    • Width: 80.0 in.
    • Height: 77.5 in.
    • Wheelbase: 133.6 in.
    • Ground Clearance: 9.8 in.
    • Front Track: 68.8 in.
    • Rear Track: 67.3 in.
    • Weight Distribution: TBD
    • Drag Coefficient: TBD
    • Interior - General
    • Seats: 2
    • Passenger Volume: TBD
    • Cargo Volume: 60.7 cu. ft.
    • Cargo Volume (Seats Folded): N/A
    • Interior - Front Row
    • Volume: TBD
    • Leg Room: 41.3 in.
    • Head Room: 41.2 in.
    • Shoulder Room: 65.2 in.
    • Hip Room: 60.3 in.
    • Propulsion
    • Fuel Type: Gas
    • Engine Type: 6.0L V8
    • Power: 360 hp @ 5400 rpm
    • Torque: 380 lb-ft @ 4200 rpm
    • Transmission: 6-Speed Automatic
    • Highway Fuel Economy: TBD
    • City Fuel Economy: TBD
    • Forced Induction: None
    • Direct Injection: No
    • Chassis
    • Layout: Rear Wheel Drive
    • Front Suspension: Torsion-Beam
    • Rear Suspension: Solid Axle
    • Wheels
    • Front: 17" Steel
    • Front Tires: LT245/75R17
    • Rear: 17" Steel
    • Rear Tires: LT245/75R17
    • Trailering & Hauling
    • Trailer Weight: 13000 lbs
    • Payload: 4192
    • Tongue Weight: TBD

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