The Most Fuel-Efficient Luxury Sedan in America is?
2011 Lincoln MKZ Hybrid ? Pricing unknown while rated at an excellent 41/36/39 mpgUS city/highway/combined. Lincoln?s first hybrid is the 2011 Lincoln MKZ and has now been officially certified the most fuel-efficient luxury sedan in America thanks in part to its 39 mpgUS combined EPA rating. The 2011 Lincoln MKZ Hybrid?s final fuel economy certification has been completed and the vehicle will carry an EPA label of 41 mpg city and 36 mpg highway when it goes on sale this fall. It tops its nearest competitor ? the 2010 Lexus HS 250h ? by 6 mpg. It also bests the Lexus HS 250h with room for one more passenger, larger cargo capacity, more standard luxury and segment-exclusive safety features.