X 1991 BMW M5

3.5 L, 6 cyl, Man 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 13 MPG

City: 10 MPG

Highway: 19 MPG

X 2008 Infiniti M45

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

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 21 MPG