X 2012 Porsche Cayman

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

MSRP: $51,900

EPA Fuel Economy

Combined: 24 MPG

City: 20 MPG

Highway: 29 MPG

X 2012 Cadillac CTS AWD

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

MSRP: $39,115 - $50,190

EPA Fuel Economy

Combined: 21 MPG

City: 18 MPG

Highway: 26 MPG