6. Ford Focus ST 2.0L EcoBoost Four-Cylinder
There was once a time that automotive enthusiasts wouldn’t believe Ford would have a potent four-cylinder engine outfitting its sports cars. But times have changed, and the American automaker’s 2.0-liter EcoBoost four-cylinder delivers plenty of fun in various models in its lineup. The Ford Focus ST packs 252 hp in a nimble hot hatch and is one of two Ford engines to make the list this year.