X 2011 Bentley Continental GTC

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

MSRP: $205,600

EPA Fuel Economy

Premium Gasoline

Combined: 13 MPG

City: 11 MPG

Highway: 18 MPG

E85

Combined: 10 MPG

City: 8 MPG

Highway: 13 MPG

X 2006 Audi A4

2.0 L, 4 cyl, Auto (variable gear ratios), Premium Gasoline

EPA Fuel Economy

Combined: 24 MPG

City: 21 MPG

Highway: 30 MPG