The standard Envoy is a five-passenger SUV with two rows of comfortable seats. GMC Envoy is available in SLE, SLT, and Denali trim, each with a choice of two-wheel drive or four-wheel drive. They come standard with the six-cylinder Vortec 4200 engine. The Denali models are equipped with the 5.3-liter V8. All models come with a four-speed automatic transmission. They also come equipped with GM's StabiliTrak electronic stability control with Proactive Roll Avoidance.The GMC Envoy is a carryover from 2006.