Mileage: 26 mpg combined city/highwayStarting price: $41,895The Lexus RX 400h is known for its hybrid powertrain, which teams a six-cylinder, 3.3-liter, internal combustion engine with two electric motors. Together, they produce 268 hp. Mileage is not astronomical, considering the hype around hybrid powertrains, but the RX is a fairly large sport-utility vehicle, after all. The hybrid model has a continuously variable transmission that uses belts and pulleys instead of conventional gears.