X 2007 Bentley Continental GTC

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

EPA Fuel Economy

Combined: 13 MPG

City: 10 MPG

Highway: 17 MPG

X 2005 Mercedes-Benz CLK55 AMG

5.4 L, 8 cyl, Auto (S5), Premium Gasoline

EPA Fuel Economy

Combined: 17 MPG

City: 14 MPG

Highway: 21 MPG