9. Lexus RX450h (30 mpg combined)
The Lexus RX has lead the fuel-efficiency race for crossovers for over 6 years. In the RX450h a V6 engine joins forces with an electric motor in order to make 295-hp and 30 mpg combined. For more capability the RX450h is also available with AWD, with rear-drive electric motors. The AWD models don’t take too much of a hit in fuel efficiency either, getting 29 mpg overall. Pricing for the RX450h starts at $46,310.