GMC 2006 Savana Owner's Manual page 236

The following chart shows how much your trailer can weigh, based upon vehicle model and options.
Vehicle
G1500 Cargo Van 2WD
4300 V6
5300 V8
Vehicle
H1500 Cargo Van AWD
5300 V8
Vehicle
G1500 Passenger Van 2WD
4300 V6
5300 V8
Vehicle
H1500 Passenger Van AWD
5300 V8
4-40
Axle Ratio Maximum Trailer Weight
3.42 4,300 lbs (1 950 kg)
3.42
5,900 lbs (2 676 kg)
3.73
Axle Ratio Maximum Trailer Weight
3.42
6,500 lbs (2 948 kg)
3.73
Axle Ratio Maximum Trailer Weight
3.42 3,900 lbs (1 769 kg)
3.42
6,300 lbs (2 858 kg)
3.73
Axle Ratio Maximum Trailer Weight
3.42
6,100 lbs (2 767 kg)
3.73
GCWR
9,500 lbs (4 309 kg)
12,000 lbs (5 443 kg)
GCWR
12,000 lbs (5 443 kg)
GCWR
9,500 lbs (4 309 kg)
12,000 lbs (5 443 kg)
GCWR
12,000 lbs (5 443 kg)