FUEL EFFICIENT 21 MPG Hwy/15 MPG City! Work Truck trim. Dual Zone A/C, explains If you want power, the Sierra's got it.. SEE MORE!======KEY FEATURES INCLUDE: Dual Zone A/C 4-Wheel ABS, 4-Wheel Disc Brakes, Vehicle Anti-Theft System. ======EXPERTS CONCLUDE: 's review says If you want power, the Sierra's got it.. Great Gas Mileage: 21 MPG Hwy. Approx. Original Base Sticker Price: $19,200*. Pricing analysis performed on 6/16/2012. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.*** Tell us that you saw this vehicle on the Dealix Used Cars Network ***.