X 2004 GMC Savana (cargo) (Bi-fuel)

6.0 L, 8 cyl, Auto 4-spd, Regular Gasoline or Natural Gas

EPA Fuel Economy

Regular Gasoline

Combined: 12 MPG

City: 11 MPG

Highway: 15 MPG

Natural Gas

Combined: 12 MPG

City: 11 MPG

Highway: 15 MPG

X 2008 Infiniti M45

4.5 L, 8 cyl, Auto (S5), Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 21 MPG