TheCarConnection.com notes a number of useful features both standard and optional offered for the 2008 GMC Envoy, with the ability to configure a vehicle to meet many needs.
GMC Envoy trims include the SLE, SLT, and Denali.
Cars.com reports that GMC "Envoys have either rear-wheel drive or Autotrac four-wheel drive, which incorporates a two-speed transfer case." Kelley Blue Book goes into greater detail; according to this source, standard 2008 GMC Envoy equipment includes "Stabilitrak, illuminated entry, keyless remote, cruise control, tire pressure monitoring system, power liftgate release, dual power mirrors, AM/FM stereo with CD, head-curtain side airbags, XM Satellite Radio, rear window wiper/washer and aluminum wheels." With the SLT upgrade to the Envoy GMC, buyers get "a garage door opener, heated mirrors, eight-way power driver's seat and the TravelNote digital recorder."
Options for the GMC Envoy, according to ConsumerGuide, "include power-adjustable pedals, DVD entertainment, and navigation system." Kelley Blue Book reports additional Envoy GMC options that include "limited-slip rear differential, rear load-leveling suspension [and] locking rear axle."