GMC Sierra 2015 Owner's Manual page 346

Vehicle
2500 Series 2WD Double Cab Long Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Crew Cab Long Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 4WD Double Cab Standard Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 4WD Crew Cab Standard Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
Maximum Trailer
Axle Ratio
3.73 4 491 kg (9,900 lb)
4.10 5 897 kg (13,000 lb)
4.10 6 532 kg (14,400 lb)
3.73 4 400 kg (9,700 lb)
4.10 5 897 kg (13,000 lb)
4.10 6 441 kg (14,200 lb)
3.73 4 400 kg (9,700 lb)
4.10 5 897 kg (13,000 lb)
4.10 6 441 kg (14,200 lb)
3.73 4 309 kg (9,500 lb)
4.10 5 897 kg (13,000 lb)
4.10 6 350 kg (14,000 lb)
Driving and Operating
Weight (c)
9-79
GCWR (a)
7 257 kg (16,000 lb)
9 299 kg (20,500 lb)
9 299 kg (20,500 lb)
7 257 kg (16,000 lb)
9 299 kg (20,500 lb)
9 299 kg (20,500 lb)
7 257 kg (16,000 lb)
9 299 kg (20,500 lb)
9 299 kg (20,500 lb)
7 257 kg (16,000 lb)
9 299 kg (20,500 lb)
9 299 kg (20,500 lb)