GMC 2004 Savana - Manual (Page 236)

The following chart shows how much your trailer can weigh, based upon vehicle model and options.
Vehicle Axle Ratio Maximum Trailer Weight GCWR
G1500 Cargo Van 2WD
4300 V6 3.42 4,400 lbs. (1 996 kg) 9,500 lbs. (4 309 kg)
5300 V8
3.42
3.73
6,600 lbs. (2 994 kg) 12,000 lbs. (5 443 kg)
Vehicle Axle Ratio Maximum Trailer Weight GCWR
H1500 Cargo Van AWD
5300 V8
3.42
3.73
6,600 lbs. (2 994 kg) 12,000 lbs. (5 443 kg)
Vehicle Axle Ratio Maximum Trailer Weight GCWR
G1500 Passenger Van 2WD
4300 V6 3.42 4,000 lbs. (1 814 kg) 9,500 lbs. (4 309 kg)
5300 V8
3.42
3.73
6,400 lbs. (2 903 kg) 12,000 lbs. (5 443 kg)
Vehicle Axle Ratio Maximum Trailer Weight GCWR
H1500 Passenger Van AWD
5300 V8
3.42
3.73
6,200 lbs. (2 812 kg) 12,000 lbs. (5 443 kg)
4-40