2. City/Highway. Sierra HD models: Not rated by EPA
3. Trailer weight ratings are calculated assuming properly equipped vehicle, plus driver and one passenger. The weight of other optional equipment, passengers and cargo will reduce the trailer weight your vehicle can tow. See dealer for details.
4. Available maximum Gross Vehicle Weight Rating (GVWR). When properly equipped, includes vehicle, passengers, cargo, and equipment.
5. Maximum payload capacity includes weight of driver, passengers, optional equipment, and cargo. Cargo and load capacity limited by weight and distribution.
6. MUST BE A CURRENT OWNER/LESSEE OF A 1999 MODEL YEAR OR NEWER GM VEHICLE. On oldest 15% of inventory as of 1/15/15 while stock lasts. Based on MSRP of $44,315. At participating dealers only. Not available with lease. Take retail delivery by 2/2/15. Residency restrictions apply. See participating dealer for details.