X 1990 Porsche 911 Carrera 4/2

3.6 L, 6 cyl, Auto (S4), Premium Gasoline

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 21 MPG

X 2007 GMC Savana 1500/2500 2WD (Passenger)

5.3 L, 8 cyl, Auto 4-spd, Regular Gasoline or E85

EPA Fuel Economy

Regular Gasoline

Combined: 14 MPG

City: 12 MPG

Highway: 16 MPG

E85

Combined: 10 MPG

City: 9 MPG

Highway: 12 MPG