Sierra is loaded with great power choices like the available EcoTec3 5.3 liter V8 engine offers the best V8 fuel economy in any fullsize pickup at an EPA-estimated 16 MPG City and 23 MPG highway. Rated at 355 Horse Power and 383 pound feet of torque the EcoTec 5.3 liter V8 offers an available class-leading max trailering of 11 500 pounds when ordered with the available Max Trailering Package. Sierra’s cabin is engineered to provide you and your passengers with a quiet comfortable experience. The Sierra sets a higher standard with purposeful technology – to help you stay connected and in control. The Sierra’s state-of-the-art safety and driver alert technologies provide peace of mind and help prepare you for the unexpected. The all new 2014 GMC Sierra A CUT ABOVE OTHER TRUCKS.