The 2009 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, flexible fuel engine that achieves 12-mpg in the city and 19-mpg on the highway. A 6-speed automatic transmission with overdrive is standard.

The 2009 Sierra Denali is a carryover from 2008.