The 2012 GMC Yukon presents itself in SLE, SLT and the luxury-oriented Denali trim. On the SLE model, the 2012 GMC Yukon is loaded with tri-zone climate control, Bose audio equipment, XM satellite radio, power windows and StabiliTrak with traction control. Power adjustable pedals, universal home remote and rear parking assist are added when the SLT model is opted. Presenting a lavish complement, the high-end 2012 Yukon Denali brings standard features such as leather seating, 20-inch chrome aluminum wheels, and power liftgate XM NavTraffic. A well-appointed vehicle, the 2012 GMC Yukon does offer optional equipment including power sunroof, rear seat entertainment system as well as 22-inch wheels. Included with a rear and four-wheel drivetrain choice, the 2012 Yukon is powered by a Vortec 5.3 liter V-8 engine. An E85-compatible FlexFuel powerplant, the 2012 GMC Yukon moves with 320 horsepower and 335 pounds-feet of torque. Fuel economy expectations of the full-sized sport utility vehicle sees a maximum of 20 miles per gallon in highway travel distance. On the 2012 Yukon Denali model, a 6.2 liter engine is fitted inside the large sport utility producing 403 horsepower.