X 2008 Mazda 3

2.3 L, 4 cyl, Auto (S5), Regular Gasoline

EPA Fuel Economy

Combined: 24 MPG

City: 22 MPG

Highway: 29 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