X 1991 Buick Century

3.3 L, 6 cyl, Auto 3-spd, Regular Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 17 MPG

Highway: 24 MPG

Average: 23.5 MPG

Range: 24  to  24 MPG

Based on 1 vehicle

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X 2009 Porsche Carrera 4 S Coupe

3.8 L, 6 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 18 MPG

Highway: 25 MPG