2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 437

Vehicle Axle Ratio 6.2L V8 K5L HD Cooling Pkg 3.42 6.2L V8 NHT Max Trailering 3.73 Pkg - Conventional Trailer 1500 Series 4WD Regular Cab Long Box (b) 4.3L V6 (c) 3.73 4.8L V8 (c) 3.42 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 Extended Cab Long Box (b) 5.3L V8 (c) 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 2500 Series 2WD Extended Cab Standard Box HD (d) 3.73 6.0L V8 4.10 Maximum Trailer Weight 9,400 lbs (4 264 kg) 10,400 lbs (4 717 kg) GCWR (a) 15,000 lbs (6 804 kg) 16,000 lbs (7 257 kg) 5,000 lbs (2 268 kg) 5,800 lbs (2 631 kg) 6,300 lbs (2 858 kg) 7,000 lbs (3 175 kg) 9,700 lbs (4 400 kg) 9,800 lbs (4 445 kg) 10,000 lbs (4 536 kg) 11,000 lbs (4 990 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) 5,800 lbs (2 631 kg) 6,500 lbs (2 948 kg) 8,000 lbs (3 629 kg) 9,300 lbs (4 218 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) 10,200 lbs (4 627 kg) 12,700 lbs (5 761 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 5-61