http://Future-Ford.com/2015-ford-fiesta.htm 888-656-7577 The 2015 Ford Fiesta combines efficiency with performance but without compromise. A first for Ford, the three-cylinder 1.0L EcoBoost engine has an EPA-estimated rating of 43 highway mpg. With three cylinders there's less friction, which helps the engine provide efficient performance. The 1.6L Ti-VCT EcoBoost engine in the ST delivers a muscular 197 horsepower with an EPA-estimated rating of 35 highway mpg.