Top 10 Top 10 Most Fuel-Efficient Hybrid Cars by Frédéric Mercier May 20, 2019 Photo: Ford10. Ford Fusion HybridThe gas-electric variant of Ford's midsize sedan achieves a pretty respectable score of 5.6 L/100 km in combined city-highway driving. Not bad for such a roomy car! « PreviousNext » Share on Facebook Share: