While cars in general are getting more efficient, there are some models that are taking fuel economy to another level. We have compiled a list of the Best Cars for Gas Mileage of 2018 so that you can compare all of this year's most ingenious options. Spanning a wide variety of vehicle manufactures, this list covers a variety of styles and options that can save you money daily. Imports took the lead when it comes to saving money at the pump in 2018. Topping the list are models from FIAT, MINI, Hyundai, and of course Tesla. The market is full of great choices that will save you more at the pump than ever before. However, these are the top of the industry when it comes to gas mileage.