X 2011 Porsche 911 Turbo Cabriolet

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

MSRP: $146,800

EPA Fuel Economy

Combined: 19 MPG

City: 16 MPG

Highway: 24 MPG

X 2001 GMC Sierra 1500 2WD

5.3 L, 8 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 15 MPG

City: 14 MPG

Highway: 18 MPG

Average: 14.8 MPG

Range: 11  to  18 MPG

Based on 4 vehicles

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