Stay comfortable in your 2005 GMC Envoy Denali even in the worst weather with dual climate control and heated seats. It has a 5.3 liter 8 Cylinder engine. This SUV 4X4 scored a crash test safety rating of 4 out of 5 stars. The digital information center gives you average and instant fuel economy, driving range and trip meter readings. The leather interior provides style and comfort all in one. Open the sunroof on those warm summer days and take care of traffic with a smile. Music-lovers won't want to get off the road with great audio features CD changer and CD player. According to a review from New Car Test Drive, A power rear window quickly slides up from the Midgate behind the rear seat, sealing off the passenger compartment from the now-open-air cargo area. Why not schedule your test drive today?