Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2011 Chevrolet Silverado 2500HD. The Silverado 2500HD is available in Regular Cab, Extended Cab, or Crew Cab with a standard or long bed, and with options in 2WD and 4WD. A Vortec 6.0L V-8 or Duramax 6.6L Turbo Diesel V-8 are your engine options.


2011 Chevrolet Silverado 2500HD Technical Specifications
Overview
Models: 2500HD reg. cab, long box, 2WD & 4WD
2500HD ext. cab, std. box, 2WD & 4WD
2500HD ext. cab, long box, 2WD & 4WD
2500HD crew cab, std. box, 2WD & 4WD
2500HD crew cab, long box, 2WD & 4WD
Body style / driveline: 2-3 passenger regular cab or 5-6 passenger extended cab, 5-6-passenger crew cab, 3/4-ton; 2- and 4-wheel-drive heavy-duty pickup
Construction: body on frame
EPA vehicle class: full-size truck
Manufacturing location: Flint, Mich., Ft. Wayne, Ind.
Engines
  Vortec 6.0L V-8 (L96) Duramax 6.6L Turbo Diesel V-8 (LML)
Type: 6.0L V-8 6.6L V-8
Displacement (cu in / cc): 364 / 5967 403 / 6599
Bore & stroke (in / mm): 4.00 x 3.62 / 101.6 x 92 4.06 x 3.9 / 103 x 99
Block material: cast iron cast iron
Cylinder head material: cast aluminum cast aluminum
Valvetrain: overhead valve, two valves per cylinder, variable valve timing overhead valve, four valves per cylinder
Ignition system: coil-near-plug, platinum- tipped spark plugs, low-resistance spark plug wires compression, glow plug start aid
Fuel delivery: sequential fuel injection direct injection diesel with high pressure common rail
Compression ratio: 9.6:1 16.0:1
Horsepower (hp / kW @ rpm): 360 / 268 @ 5400 397 / 296 @ 3000
Torque (lb-ft / Nm @ rpm) : 380 / 515 @ 4200 765 / 1037 @ 1600
Recommended fuel: regular unleaded diesel or B20
Maximum engine speed (rpm): 6000 3000
Emissions controls: three-way catalytic converter, positive crankcase ventilation, evaporative collection system cooled exhaust gas recirculation (EGR), EGR cooling-bypass system, diesel particulate filter system (DPF), selective catalyst reduction (SCR)
Transmissions
  Hydra-Matic 6L90 Allison 1000
Type: six-speed automatic (with Vortec 6.0L) six-speed automatic (with Duramax 6.6L)
Gear ratios (:1):
First: 4.03 3.1
Second: 2.36 1.81
Third: 1.53 1.41
Fourth: 1.15 1
Fifth: 0.85 0.71
Sixth: 0.67 0.61
Reverse: 3.06 4.49
Final drive ratio: 3.73 or 4.10 3.73
Chassis / Suspension
Front: all models: std long- and short-arm independent front torsion bar suspension
Rear: semi-elliptic two-stage multi-leaf spring
Steering type: integral power-assisted recirculating ball
Steering ratio: 16.1
Steering wheel turns, lock-to-lock: 3.57
Turning Circle
  Regular Cab Extended Cab Crew Cab
Turning circle, curb-to-curb (ft / m): std. box: 44.9 / 13.7
long box: N/A
std. box: 47.9 / 14.6
long box: 51.8 / 15.8
std. box: 50.5 / 15.4
long box: 54.8 / 16.7
Brakes
Type: power-assisted, Hydroboost brake-apply system, four-wheel disc, four-wheel ABS
Rotor diameter x thickness (in / mm): front: 13.97 x 1.57 / 355 x 40
rear: 14.17 x 1.34 / 360 x 34
Total swept area (sq in / sq cm): front: 277.7 / 1791
rear: 277.5 / 1790
Wheels / Tires
Wheel size and type: 17 x 7.5-in steel
17 x 7.5-in aluminum
18 x 8.0-in aluminum
20 x 8.5-in aluminum
Tire size: LT245/75R17 all-season
LT265/70R17 all-terrain
LT265/70R18 all-season
LT265/60R20 all-terrain