GMC Sierra 2011 Owner's Manual page 381

Vehicle
1500 Series 4WD Extended Cab Long Box (b)
5.3L V8 (c)
5.3L V8 K5L HD Cooling Pkg (c)
5.3L V8 K5L HD Cooling
Pkg Conventional Trailer
5.3L V8 K5L HD Cooling
Pkg Fifth-Wheel Trailer
2500 Series 2WD Extended Cab Standard Box HD (d)
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
2500 Series 2WD Crew Cab Standard Box HD (d)
6.0L V8
6.0L V8 Conventional Trailer
6.0L V8 Fifth-Wheel Trailer
Axle Ratio Maximum Trailer Weight
3.08 2 631 kg (5,800 lbs)
3.08 2 948 kg (6,500 lbs)
3.42 4 218 kg (9,300 lbs)
3.42 3 629 kg (8,000 lbs)
3.73 4 445 kg (9,800 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 486 kg (14,300 lbs)
3.73 4 400 kg (9,700 lbs)
4.10 5 897 kg (13,000 lbs)
4.10 6 441 kg (14,200 lbs)
I n f o r ma t i o n P r o v i d e d b y :
Driving and Operating
GCWR (a)
5 216 kg (11,500 lbs)
5 534 kg (12,200 lbs)
6 804 kg (15,000 lbs)
6 804 kg (15,000 lbs)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
7 257 kg (16,000 lbs)
9 299 kg (20,500 lbs)
9 299 kg (20,500 lbs)
9-99