Available in 2WD or 4WD and in three trims, the Yukon seats up to nine passengers and is rated to tow up to 8500 pounds when equipped with the Heavy-Duty Trailering Package on the 4x2 model. The GMC Yukon gives customers the versatility and spaciousness they need when shopping for a vehicle with the towing and cargo carrying capabilities to meet their lifestyle requirements. The SLE and SLT trims both come with a 355-hp 5.3-liter FlexFuel V8 engine coupled to a six-speed automatic transmission Anti-lock Brakes✔ Front Airbag