X 2010 Roush Performance Stage 3 Mustang

4.6 L, 8 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 17 MPG

City: 14 MPG

Highway: 21 MPG

X 2008 Infiniti QX56 2WD

5.6 L, 8 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 14 MPG

City: 12 MPG

Highway: 18 MPG