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 2009 GMC Sierra 2500HD Regular Cab with long box, 2WD & 4WD options. Read the complete specs on the Vortec 6.0L V-8 and Duramax 6.6L V-8 power plants.


2009 GMC Sierra 2500HD Regular Cab
Models: 2500HD reg. cab, long box, 2WD & 4WD
Body style / driveline: 2-3 passenger regular cab, 3/4-ton; two- and four-wheel-drive heavy duty pickup
Construction: body on frame
EPA vehicle class: full-size truck
Manufacturing location: Pontiac, Mich.; Flint, Mich.
Engines
  Vortec 6.0L V-8 (LY6) Duramax 6.6L V-8 (LMM)
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: OHV OHV
Ignition system: coil-near-plug, platinum- tipped spark plugs, low-resistance spark plug wires compression, glow plug start aid; low-resistance spark plug wires
Fuel delivery: sequential fuel injection direct injection diesel with high pressure common rail
Compression ratio: 9.6:1 16.8:1
Horsepower (hp / kW @ rpm): 360 / 268 @ 5400* 365 / 272 @ 3200
Torque (lb-ft / Nm @ rpm): 380 / 515 @ 4200* 660 / 895 @ 1600
Recommended fuel: regular unleaded diesel
Maximum engine speed (rpm): 6000 3450
Emissions controls: three-way catalytic converter, positive crankcase ventilation, evaporative collection system turbocharged, intercooled, catalytic converter system; diesel particulate filter system with regeneration
Transmissions
  Hydra-Matic 6L90 Allison 1000
Type: six-speed automatic (w/ Vortec 6.0L) six-speed automatic (w/ 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 (std. & avail.): Vortec 6.0L 3.73 or 4.10
Duramax 6.6L: 3.73


2009 GMC Sierra 2500HD Regular Cab - Dimensions
Dimensions - Exterior
  Regular Cab, Long Box
Wheelbase (in / mm): 133 / 3378
Overall length (in / mm): 224.7 / 5708
Overall width (in / mm): 80 / 2032
Overall height: (in / mm): 76.3 / 1939
Track - front (in / mm): 68.6 / 1744
Track - rear (in / mm): 66 / 1676
Minimum ground clearance (in / mm): 2WD: 9.5 / 243
4WD: 9.5 / 243
Step-in height (in / mm): 25.2 / 640
Cargo box - Dimensions
  Long Box
Cargo volume (cu ft / L): 75.5 / 2138
Length at floor (in / mm): 97.6 / 2479
Width at floor (in / mm): 62.4 / 1586
Tailgate width (in / mm): 61.5 / 1564
Width between wheel housings (in / mm): 50.6 / 1286
Inside height (in / mm): 21 / 553
Interior - Dimensions
  Regular Cab
Headroom (in / mm): 41.4 / 1051
Legroom (in / mm): 41.3 / 1049
Shoulder room (in / mm): 65.2 / 1657
Hip room (in / mm): 62.5 / 1588
Capacities
  Regular Cab
Seating: 2-3
Fuel tank (gal / L): 34 / 129 (long box)
Engine oil (qt / L): 6.0L: 6.0 / 5.7
6.6L: 10 / 9.5
Cooling system (qt / L): 6.0L: 16.4 / 15.5
6.6L: 25.4 / 24


2009 GMC Sierra 2500HD Regular Cab - Curb Weight & Payload
  GVWR (lb / kg) Curb Weight (lb / kg) Payload (lb / kg)
2WD
Reg cab, long box 6.0L: 9200 / 4173
6.6L: 9200 / 4173
6.0L: 5276 / 2379
6.6L: 5997 / 2720
6.0L: 3924 / 1780
6.6L: 3203 / 1453
4WD
Reg cab, long box 6.0L: 9200 / 4173
6.6L: 9200 / 4173
6.0L: 5556 / 2520
6.6L: 6290 / 2853
6.0L: 3644 / 1653
6.6L : 2911 / 1320

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: 24:01:00
Steering wheel turns, lock-to-lock: 3.14
Turning circle, curb-to-curb (ft / m)
2WD/4WD Regular Cab, Long box 45.3 / 13.8 (2WD & 4WD)
Brakes
Type: power-assisted, Hydroboost brake-apply system, 4-wheel disc, 4-wheel ABS
Rotor diameter x thickness (in / mm): front: 12.8 x 1.5 / 325 x 38
rear: 12.8 x 1.2 / 325 x 30
Total swept area (sq in / sq cm): front: 245.5 / 1584
rear: 235.1 / 1517
Wheels/Tires
Wheel size and type: 16-inch x 6.5-inch painted steel
16-inch x 6.5-inch chrome-styled steel
16-inch x 6.5-inch polished forged aluminum
17-inch x 7.5-inch bright machined aluminum
Tire size: LT245/75R16
LT265/75R17
Trailering
Trailer towing maximum with ball hitch (lb / kg):
Reg. cab, long box: 2WD w/ 6.0L (4.10 axle): 13000 / 5897
2WD w/ 6.6L (3.73 axle): 13000 / 5897
4WD w/ 6.0L (4.10 axle): 12700 / 5761
4WD w/ 6.6L (3.73 axle): 13000 / 5897
*SAE certified.

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