X 2010 Porsche Cayenne Turbo Kit

4.8 L, 8 cyl, Auto 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 14 MPG

City: 12 MPG

Highway: 19 MPG

X 2008 Subaru Impreza Wagon/Outback SPT AWD

2.5 L, 4 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 17 MPG

Highway: 23 MPG