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What is the fuel economy of the 2012 GMC Sierra 1500?

The 2012 GMC Sierra 1500 is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:
  1. SLE: 14 MPG City and 19 MPG Highway
  2. SLT: 15 MPG City and 21 MPG Highway
  3. Work Truck: 15 MPG City and 20 MPG Highway
  4. XFE: 15 MPG City and 22 MPG Highway
  5. SL: 14 MPG City and 19 MPG Highway
  6. Denali: 13 MPG City and 18 MPG Highway
It is important to remember factors such as driving style, weather conditions, and the use of features such as Eco mode can impact fuel efficiency.

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