X 2012 Toyota Prius Plug-in Hybrid

1.8 L, 4 cyl, Auto (variable gear ratios), Gas and Electricity

MSRP: $32,000 - $39,525

EPA Fuel Economy

Electricity + Gasoline

Combined: 95 MPGe*

(.2 gal/100 mi of gas plus 29 kw-hrs/100 mi of electricity )

Regular Gasoline

Combined: 50 MPG

City: 51 MPG

Highway: 49 MPG

* 1 gallon of gas equivalent=33.7 kw-hr

X 2005 Bentley Arnage LWB

6.8 L, 8 cyl, Auto 4-spd, Premium Gasoline

EPA Fuel Economy

Combined: 11 MPG

City: 9 MPG

Highway: 13 MPG

X 2010 Mazda CX-9 2WD

3.7 L, 6 cyl, Auto (S6), Regular Gasoline

MSRP: $28,805 - $32,815

EPA Fuel Economy

Combined: 18 MPG

City: 16 MPG

Highway: 22 MPG