See also:

New for 2012
The Canyon sees only some minor changes for 2012. A Bodyguard Package provides bed rail covers and molded splash guards, and an available Chrome Accessory Package includes a chrome exhaust tip and ...

New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup, leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the Sierra's eight-cylinder lineup benefits from ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...