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.