X 1999 Porsche 911 Carrera

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

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 22 MPG

X 1987 Buick Electra/Park Avenue

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

EPA Fuel Economy

Combined: 19 MPG

City: 16 MPG

Highway: 25 MPG

X 2010 Mazda CX-9 2WD

3.7 L, 6 cyl, Auto (S6), Regular Gasoline

MSRP: $28,805 - $32,815

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 22 MPG