1999 GMC Sonoma Owner's Manual - Page 198

yellowblue The following chart shows how much your trailer can weigh, based upon your vehicle model and options. Vehicle 2WD 2.2L L4 Engine* 2WD "VORTEC" 4300 V6 Auto. Trans.* 2WD "VORTEC" 4300 V6 Man. Trans.* 4WD "VORTEC" 4300 V6 Auto. Trans.[ 4WD "VORTEC" 4300 V6 Man. Trans.[ Axle Ratio 3.73 4.10 3.08 3.42 3.08 Max. Trailer Wt. 2,000 lbs. (908 kg) 2,000 lbs. (908 kg) 4,500 lbs. (2 043 kg) 5,500 lbs. (2 497 kg) 3,500 lbs. (1 589 kg) 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. The weight of the trailer tongue also affects trailering capacity. See "Weight of the Trailer Tongue" later in this section. 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: 3.08 3.42 3.73 3.08 3.42 3.73 4,500 lbs. (2 043 kg) 5,500 lbs. (2 497 kg) 5,500 lbs. (2 497 kg) 3,500 lbs. (1 589 kg) 4,000 lbs. (1 816 kg) 4,500 lbs. (2 043 kg) General Motors of Canada Limited Customer Communication Centre 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 * If your vehicle is equipped with RPO V4A, your vehicle was neither designed nor intended to tow a trailer. For more information on RPO codes, see "Service Parts Identification Label" in the Index. [Maximum trailer weight reduced by 500 lbs. (227 kg) on 4WD extended cab models. 4-48