GMC Sierra 2015 Owner's Manual page 344

Vehicle
1500 Series 4WD Crew Cab Standard Box
4.3L V6 (b)
5.3L V8
5.3L V8
5.3L V8
6.2L V8
6.2L V8
1500 Series 4WD Crew Cab Short Box (b)
4.3L V6
5.3L V8
5.3L V8
5.3L V8
6.2L V8
6.2L V8
Maximum Trailer
Axle Ratio
3.42 3 175 kg (7,000 lb)
3.08 2 767 kg (6,100 lb)
3.42 4 128 kg (9,100 lb)
3.73 4 899 kg (10,800 lb)
3.23 4 128 kg (9,100 lb)
3.42 5 307 kg (11,700 lb)
3.42 3 221 kg (7,100 lb)
3.08 2 812 kg (6,200 lb)
3.42 4 173 kg (9,200 lb)
3.73 4 944 kg (10,900 lb)
3.23 4 173 kg (9,200 lb)
3.42 5 353 kg (11,800 lb)
Driving and Operating
Weight (c)
9-77
GCWR (a)
5 806 kg (12,800 lb)
5 443 kg (12,000 lb)
6 804 kg (15,000 lb)
7 575 kg (16,700 lb)
6 804 kg (15,000 lb)
8 029 kg (17,700 lb)
5 806 kg (12,800 lb)
5 443 kg (12,000 lb)
6 804 kg (15,000 lb)
7 575 kg (16,700 lb)
6 804 kg (15,000 lb)
8 029 kg (17,700 lb)