X 2004 Ford F150 Dual-fuel 4WD (LPG)

5.4 L, 8 cyl, Auto 4-spd, Regular Gasoline or Propane

EPA Fuel Economy

Regular Gasoline

Combined: 15 MPG

City: 13 MPG

Highway: 18 MPG

Propane

Combined: 11 MPG

City: 10 MPG

Highway: 14 MPG

X 2005 Porsche Boxster S

3.2 L, 6 cyl, Auto 5-spd, Premium Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 16 MPG

Highway: 24 MPG