X 2004 GMC Savana Cargo (dedicated CNG)

6.0 L, 8 cyl, Auto 4-spd, Natural Gas

EPA Fuel Economy

Combined: 12 MPG

City: 11 MPG

Highway: 15 MPG

X 1998 Volvo V90

2.9 L, 6 cyl, Auto 4-spd, Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 23 MPG