X 2013 Cadillac Escalade Hybrid 4WD

6.0 L, 8 cyl, Auto (variable gear ratios), Regular Gasoline

EPA Fuel Economy

Combined: 21 MPG

City: 20 MPG

Highway: 23 MPG

X 2005 Porsche Carrera 4 S Cabriolet

3.6 L, 6 cyl, Man 6-spd, Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 15 MPG

Highway: 22 MPG