The 2014 GMC Sierra Truck Engine promotional video

Watch and find out why the engines in the new 2014 GMC Sierra Truck are our most highly engineered Sierra engines, ever.

Watch and find out why the engines in the new 2014 GMC Sierra Truck are our most highly engineered Sierra engines, ever.

GM's new EcoTec3 Engines provide added horsepower, torque and improved fuel economy over previous engine lines.