X 2011 Porsche 911 Carrera

3.6 L, 6 cyl, Auto 7-spd, Premium Gasoline

MSRP: $77,800

EPA Fuel Economy

Combined: 22 MPG

City: 19 MPG

Highway: 27 MPG

X 2009 Chevrolet Silverado 15 Hybrid 2WD

6.0 L, 8 cyl, Auto (variable gear ratios), Regular Gasoline

EPA Fuel Economy

Combined: 21 MPG

City: 21 MPG

Highway: 22 MPG

X 1993 Ford Aerostar Wagon AWD

4.0 L, 6 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 18 MPG