Luxury cars look the best, feel the best, and perform the best. They tend to be the best to drive, are made from higher-quality materials, and have higher resale values. Now, the latest race is to build the vehicle with the best fuel economy. If you are looking for both luxury and top efficiency, then we have the list for you. Check out what models we found to have the best gas mileage while still offering top quality materials and performance. No matter what brand you favor, you are sure to want to take a second look at these impressive options.