The 2008 Sierra Denali is a 4-door, 5-passenger luxury pickup, available in two trims, the Crew
The 2008 Sierra Denali is a 4-door, 5-passenger luxury pickup, available in two trims, the Crew Cab Short Box RWD and the Crew Cab Short Box AWD.
Upon introduction, both trims are equipped with a standard 6.2-liter, V8, 403-horsepower engine. A 6-speed automatic transmission with overdrive is standard.