GMC Sierra Denali

The ‘08 Sierra lineup is built on a platform that was introduced last year. It supports the strongest, most capable Sierra lineup in history, with segment-leading fuel economy, capability and power – as well as agile ride and handling and an exceptionally quiet interior.

2008 GMC Sierra Z71 Extended Cab

Sierra 1500 is available in several trim packages, including Work Truck, SL (crew cab only), SLE (SLE1 and SLE2 models) and SLT, along with 2WD and 4WD configurations. Three cab styles – regular, extended and crew cab – and three cargo box lengths – 5 foot 8 inches, 6 foot 6 inches and 8 foot – are offered.