Most Fuel-Efficient Cars of the Past 30 Years

© Toyota Motor Sales USA© Toyota Motor Sales USA
2017–2019 Toyota Prius c
EPA Rating: 48 mpg city / 43 mpg highway / 46 mpg combined
The least-expensive model in Toyota’s hybrid fleet, the Prius c received a mild refresh for the 2018 model year. In addition to the updated styling, Toyota equipped the Prius c with the latest high-tech safety features including a pre-collision system and lane departure alert. The c in Prius c stands for city, which is why this model is not only the least expensive, it is also the smallest hybrid Toyota offers. Total output from its small 1.5-liter engine and electric motor combination is 99 horsepower.

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