X 2009 Acura RL

3.7 L, 6 cyl, Auto (S5), Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 22 MPG

X 2012 Bentley Continental GTC

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

EPA Fuel Economy

Premium Gasoline

Combined: 14 MPG

City: 11 MPG

Highway: 19 MPG

E85

Combined: 10 MPG

City: 8 MPG

Highway: 13 MPG