1999 GMC Safari Owner's Manual - Page 204

yellowblue Three important considerations have to do with weight: Maximum trailer weight is calculated assuming the driver and one passenger are in the tow vehicle and it has all the required trailering equipment. The weight of additional optional equipment, passengers and cargo in the tow vehicle must be subtracted from the maximum trailer weight. You can ask your dealer for our trailering information or advice, or you can write us at the address listed in your Warranty and Owner Assistance Information Booklet. In Canada, write to: General Motors of Canada Limited Customer Communication Centre 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 D the weight of the trailer, D the weight of the trailer tongue D and the weight on your vehicle's tires. Weight of the Trailer How heavy can a trailer safely be? It depends on how you plan to use your rig. For example, speed, altitude, road grades, outside temperature and how much your vehicle is used to pull a trailer are all important. And, it can also depend on any special equipment that you have on your vehicle. The following chart shows how much your trailer can weigh, based upon your vehicle model and options. Vehicle Two-Wheel Drive Axle Ratio 3.23 3.42 3.73 3.42 3.73 Max. Trailer Wt. 4,500 lbs. (1 816 kg) 5,000 lbs. (2 270 kg) 5,500 lbs. (2 497 kg) 4,500 lbs. (1 816 kg) 5,000 lbs. (2 270 kg) All-Wheel Drive 4-32