X 2009 Porsche Cayenne Turbo S

4.8 L, 8 cyl, Auto 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 14 MPG

City: 12 MPG

Highway: 19 MPG

X 2010 Hummer H3 4WD

3.7 L, 5 cyl, Auto 4-spd, Regular Gasoline

MSRP: $33,390 - $41,705

EPA Fuel Economy

Combined: 16 MPG

City: 14 MPG

Highway: 18 MPG