GMC Sierra K15 — All Model Years

Browse every GMC Sierra K15 model year with specs, fuel economy, and safety ratings.

12 model years available

Year Type Economy Safety Recalls Body
2007 Regular 16MPG — — Truck 2008 Regular 16MPG — — Truck 2009 Regular 16MPG — — Truck 2010 Regular 17MPG — — Truck 2011 Regular 17MPG — — Truck 2012 Flex Fuel 17MPG — — Truck 2013 Regular 17MPG — — Truck 2014 Flex Fuel 19MPG — — Truck 2015 Flex Fuel 19MPG — — Truck 2016 Flex Fuel 19MPG — — Truck 2017 Regular 19MPG — — Truck 2018 Flex Fuel 19MPG — — Truck