Weight Capacities

  Regular Cab Extended Cab Crew Cab
Long
Box		 Standard
Box		 Long
Box		 Standard
Box		 Long
Box
Gross Vehicle Weight Rating (GVWR), lbs§§, gasoline engine (2WD) 9,200 9,200 9,200 9,200 9,200
Gross Vehicle Weight Rating (GVWR), lbs§§, gasoline engine (4WD) 9,200 9,200 9,200 9,200 9,200
Curb weight, lbs, gasoline engine (2WD) 5,328 5,600 5,651 5,725 5,884
Curb weight, lbs, gasoline engine (4WD) 5,606 5,862 6,000 5,972 6,153
Max Payload, lbs, gasoline engine (2WD) 3,872 3,600 3,549 3,475 3,316
Max Payload, lbs, gasoline engine (4WD) 3,594 3,338 3,200 3,228 3,047
Gross Vehicle Weight Rating, (GVWR), lbs§§, DURAMAX diesel engine (2WD) 9,200 9,200 9,200 9,200 9,200
Gross Vehicle Weight Rating, (GVWR), lbs§§, DURAMAX diesel engine (4WD) 9,200 9,200 9,200 9,200 9,200
Curb weight, lbs, DURAMAX diesel engine (2WD) 6,055 6,308 2,744 6,419 6,580
Curb weight, lbs, DURAMAX diesel engine (4WD) 6,339 6,581 6,716 6,677 6,879
Max Payload, lbs, DURAMAX diesel engine (2WD) 3,145 2,892 2,744 2,781 2,620
Max Payload, lbs, DURAMAX diesel engine (4WD) 2,861 2,619 2,484 2,523 2,321
Maximum payload capacity includes weight of driver, passengers, optional equipment, and cargo.
§§When properly equipped; includes weight of vehicle, passengers, cargo, and equipment.

Spring & Axle Capacities

  Reg Ext Crew
Front axle, lbs (2WD) 4,800 4,800 4,800
Front axle, lbs (4WD) 4,500 4,800 4,800
Front spring capacity, lbs, standard box/long box (2WD) 4,500 4,500/4,800 4,500/4,800
Front spring capacity, lbs (4WD) 4,500 4,800 4,800
Rear axle, lbs (2WD) 6,900 6,900 6,900
Rear axle, lbs (4WD) 6,900 6,900 6,900
Rear spring capacity, lbs (2WD) 6,084 6,084 6,084
Rear spring capacity, lbs (4WD) 6,084 6,084 6,084

Towing Capacity

Automatic Transmission Ratings with Ball Hitch Vortec 6.0L V8 Duramax 6.6L
Tubro Diesel V8
Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**		 Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**
Reg Cab Long Box 2WD
 3.73
4.10		 10,500
13,000		 3.73 13,000
Reg Cab Long Box 4WD
 3.73
4.10		 10,200
12,700		 3.73 13,000
Ext Cab Standard Box 2WD
 3.73
4.10		 10,200
12,700		 3.73 13,000
Ext Cab Standard Box 4WD
 3.73
4.10		 9,900
12,400		 3.73 13,000
Ext Cab Long Box 2WD
 3.73
4.10		 10,000
12,500		 3.73 13,000
Ext Cab Long Box 4WD
 3.73
4.10		 9,800
12,300		 3.73 13,000
Crew Cab Standard Box 2WD
 3.73
4.10		 10,000
12,500		 3.73 13,000
Crew Cab Standard Box 4WD
 3.73
4.10		 9,800
12,300		 3.73 13,000
Crew Cab Long Box 2WD
 3.73
4.10		 9,900
12,400		 3.73 13,000
Crew Cab Long Box 4WD
 3.73
4.10		 9,600
12,100		 3.73 13,000
Automatic Transmission Ratings with Gooseneck/Fifth-Wheel Trailer Vortec 6.0L V8 Duramax 6.6L
Tubro Diesel V8
Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**		 Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**
Reg Cab Long Box 2WD
 3.73
4.10		 10,500
13,000		 3.73 15,800
Reg Cab Long Box 4WD
 3.73
4.10		 10,200
12,700		 3.73 15,500
Ext Cab Standard Box 2WD
 3.73
4.10		 10,200
12,700		 3.73 15,500
Ext Cab Standard Box 4WD
 3.73
4.10		 9,900
12,400		 3.73 14,500
Ext Cab Long Box 2WD
 3.73
4.10		 10,000
12,500		 3.73 15,300
Ext Cab Long Box 4WD
 3.73
4.10		 9,800
12,300		 3.73 13,800
Crew Cab Standard Box 2WD
 3.73
4.10		 10,000
12,500		 3.73 15,300
Crew Cab Standard Box 4WD
 3.73
4.10		 9,800
12,300		 3.73 13,900
Crew Cab Long Box 2WD
 3.73
4.10		 9,900
12,400		 3.73 14,500
Crew Cab Long Box 4WD
 3.73
4.10		 9,600
12,100		 3.73 12,700
Features  Reg/Ext and Crew Ext and Crew
Cab
Work
Truck		 SLE SLT
Cooling, auxiliary external transmission oil cooler, heavy duty air-to-oil Standard Standard Standard
Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator tank Standard Standard Standard
Snow Plow Prep Package, includes 10-amp power for backup and roof emergency light, high-flow front bumper, forward lamp wiring harness, (TRW) Provision for cab roof mounted lamp/beacon, instrument panel jumper wiring harness for electric trailer brake controller and Skid Plate Package Available Available Not Available
Trailering equipment, heavy-duty, includes trailering hitch platform and 2.5-inch receiver with 2" adapter, 7-wire harness (harness includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector, wiring harness for after-market trailer brake controller (located in the instrument panel harness), integrated trailer brake controller and single wire for center high-mounted stop lamp Available Available Standard
Trailer brake controller, integrated Available Available Standard
Trailering wiring provisions, for camper, 5th wheel, and gooseneck trailer, includes additional 8-way wiring harness (requires Z82 heavy-duty trailering equipment) Available Available Available
**Maximum trailer ratings are calculated assuming standard equipped vehicle, driver, and required trailering equipment. The weight of option equipment, passengers, and cargo will reduce the maximum trailer weight your vehicle can tow. 10% to 15% of the trailer weight is the recommended trailer tongue load.

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* The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all GMC vehicles' destination freight charges.