2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 438

Vehicle Axle Ratio 2500 Series 2WD Crew Cab Standard Box HD (d) 3.73 6.0L V8 4.10 2500 Series 2WD Regular Cab Long Box HD (d) 3.73 6.0L V8 4.10 2500 Series 2WD Extended Cab Long Box HD (d) 3.73 6.0L V8 4.10 2500 Series 2WD Crew Cab Long Box HD (d) 3.73 6.0L V8 4.10 2500 Series 4WD Extended Cab Standard Box HD (d) 3.73 6.0L V8 4.10 2500 Series 4WD Crew Cab Standard Box HD (d) 3.73 6.0L V8 4.10 2500 Series 4WD Regular Cab Long Box HD (d) 3.73 6.0L V8 4.10 Maximum Trailer Weight 10,000 lbs (4 536 kg) 12,500 lbs (5 670 kg) 10,500 lbs (4 763 kg) 13,000 lbs (5 897 kg) 10,000 lbs (4 536 kg) 12,500 lbs (5 670 kg) 9,900 lbs (4 491 kg) 12,400 lbs (5 625 kg) 9,900 lbs (4 491 kg) 12,400 lbs (5 625 kg) 9,800 lbs (4 445 kg) 12,300 lbs (5 579 kg) 10,200 lbs (4 627 kg) 12,700 lbs (5 761 kg) GCWR (a) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 16,000 lbs (7 257 kg) 18,500 lbs (8 391 kg) 5-62