X 2012 Porsche Panamera

3.6 L, 6 cyl, Auto 7-spd, Premium Gasoline

MSRP: $75,200

EPA Fuel Economy

Combined: 21 MPG

City: 18 MPG

Highway: 27 MPG

X 2003 Chevrolet Avalanche 1500 2WD

5.3 L, 8 cyl, Auto 4-spd, Regular Gasoline or E85

EPA Fuel Economy

Regular Gasoline

Combined: 14 MPG

City: 13 MPG

Highway: 17 MPG

E85

Combined: 11 MPG

City: 9 MPG

Highway: 12 MPG

X 2002 Audi A8 quattro

4.2 L, 8 cyl, Auto (S5), Premium Gasoline

EPA Fuel Economy

Combined: 18 MPG

City: 15 MPG

Highway: 23 MPG