X 2003 Porsche Cayenne S

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

EPA Fuel Economy

Combined: 14 MPG

City: 12 MPG

Highway: 17 MPG

X 1994 GMC Sierra 1500 4WD

6.5 L, 8 cyl, Auto 4-spd, Diesel

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 18 MPG