X 2011 Bentley Continental Supersports

6.0 L, 12 cyl, Auto (S6), Premium Gasoline or E85

MSRP: $267,000

EPA Fuel Economy

Premium Gasoline

Combined: 14 MPG

City: 12 MPG

Highway: 19 MPG

E85

Combined: 10 MPG

City: 8 MPG

Highway: 14 MPG

X 2008 Audi A4 Cabriolet quattro

3.1 L, 6 cyl, Auto (S6), Premium Gasoline

EPA Fuel Economy

Combined: 20 MPG

City: 17 MPG

Highway: 25 MPG