GMC Sierra 2018 Owner's Manual page 307

306 Driving and Operating
1500/2500/3500 Series Pickups
Vehicle
2500 Series 2WD Double Cab Standard Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Crew Cab Standard Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Regular Cab Long Box
6.0L V8
6.0L V8 (RPO UB7)
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Double Cab Long Box
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
SAE J2807 Compliant
Axle Ratio
3.73
4.10
4.10
3.73
4.10
4.10
3.73
3.73
4.10
4.10
3.73
4.10
4.10
Maximum Trailer
Weight (c)
4 536 kg (10,000 lb)
5 897 kg (13,000 lb)
6 577 kg (14,500 lb)
4 445 kg (9,800 lb)
5 897 kg (13,000 lb)
6 486 kg (14,300 lb)
4 672 kg (10,300 lb)
4 627 kg (10,200 lb)
6 577 kg (14,500 lb)
6 713 kg (14,800 lb)
4 491 kg (9,900 lb)
6 532 kg (14,400 lb)
6 532 kg (14,400 lb)
GCWR (a)
7 530 kg (16,600 lb)
9 571 kg (21,100 lb)
9 571 kg (21,100 lb)
7 530 kg (16,600 lb)
9 571 kg (21,100 lb)
9 571 kg (21,100 lb)
7 530 kg (16,600 lb)
7 530 kg (16,600 lb)
9 571 kg (21,100 lb)
9 571 kg (21,100 lb)
7 530 kg (16,600 lb)
9 571 kg (21,100 lb)
9 571 kg (21,100 lb)