GMC 2015 Sierra Denali Owner's Manual page 253

9-74 Driving and Operating
Vehicle
2500 Series 4WD Crew Cab Standard Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
3500 Series 2WD Crew Cab Standard Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
3500 Series 2WD Crew Cab Long Box
6.0L V8 (Single Rear Wheels)
6.0L V8 (Single Rear Wheels)
Conventional Trailer
6.0L V8 (Single Rear Wheels)
Fifth-Wheel Trailer
6.0L V8 (Dual Rear Wheels)
6.0L V8 (Dual Rear Wheels)
3500 Series 4WD Crew Cab Standard Box
6.0L V8
Axle Ratio Maximum Trailer Weight
3.73 4 309 kg (9,500 lb)
4.10 5 897 kg (13,000 lb)
4.10 6 350 kg (14,000 lb)
3.73 4 355 kg (9,600 lb)
4.10 5 897 kg (13,000 lb)
4.10 6 396 kg (14,100 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)
3.73 4 173 kg (9,200 lb)
4.10 6 214 kg (13,700 lb)
3.73 4 264 kg (9,400 lb)
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)
7 257 kg (16,000 lb)