X 2006 Nissan Altima

3.5 L, 6 cyl, Auto (S5), Regular Gasoline

EPA Fuel Economy

Combined: 21 MPG

City: 18 MPG

Highway: 27 MPG

X 2006 Subaru Outback AWD

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

EPA Fuel Economy

Combined: 20 MPG

City: 17 MPG

Highway: 24 MPG