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 1990 Chevrolet Astro AWD (cargo)

4.3 L, 6 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 17 MPG

City: 15 MPG

Highway: 20 MPG