2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 435

Vehicle Axle Ratio 5.3L V8 K5L HD Cooling Pkg 3.08 5.3L V8 6 Speed Automatic 3.42 5.3L V8 K5L HD Cooling 3.42 Pkg - Fifth-Wheel Trailer 5.3L V8 K5L HD Cooling 3.42 Pkg - Conventional Trailer 1500 Series 2WD Extended Cab Long Box (b) 5.3L V8 3.08 5.3L V8 K5L HD Cooling Pkg 3.08 5.3L V8 K5L HD Cooling 3.42 Pkg - Fifth-Wheel Trailer 5.3L V8 K5L HD Cooling 3.42 Pkg - Conventional Trailer 1500 Series 4WD Regular Cab Standard Box (b) 4.3L V6 (c) 3.73 4.8L V8 (c) 3.42 3.08 5.3L V8 - Fifth-Wheel Trailer 5.3L V8 - Conventional Trailer 3.08 5.3L V8 K5L HD Cooling Pkg 3.08 5.3L V8 K5L HD Cooling 3.42 Pkg - Fifth-Wheel Trailer 5.3L V8 K5L HD Cooling 3.42 Pkg - Conventional Trailer Maximum Trailer Weight 7,200 lbs (3 266 kg) 6,500 lbs (2 948 kg) 8,800 lbs (3 992 kg) 10,000 lbs (4 536 kg) GCWR (a) 12,200 lbs (5 534 kg) 11,500 lbs (5 216 kg) 15,000 lbs (6 804 kg) 15,000 lbs (6 804 kg) 6,000 lbs (2 722 kg) 6,700 lbs (3 039 kg) 8,900 lbs (4 037 kg) 9,500 lbs (4 309 kg) 11,500 lbs (5 216 kg) 12,200 lbs (5 534 kg) 15,000 lbs (6 804 kg) 15,000 lbs (6 804 kg) 5,100 lbs (2 313 kg) 6,000 lbs (2 722 kg) 6,400 lbs (2 903 kg) 6,400 lbs (2 903 kg) 7,100 lbs (3 221 kg) 8,100 lbs (3 674 kg) 8,900 lbs (4 037 kg) 10,000 lbs (4 536 kg) 11,000 lbs (4 990 kg) 11,500 lbs (5 216 kg) 11,500 lbs (5 216 kg) 12,200 lbs (5 534 kg) 14,000 lbs (6 350 kg) 14,000 lbs (6 350 kg) 5-59