The Ford Mustang is one of the most recognizable cars in the world, and on its 50th anniversary, Ford decided to pull out all the stops. Not only did Ford take great care to give their new pony car a fresh, 21st century look, but they also dropped a 2.3 L, 4-cylinder Ecoboost engine under the hood—a move that left many car enthusiasts scratching their heads and wondering if the Mustang was still a muscle car. So, what’s the verdict? In short, the 2015 Ecoboost Mustang is a triumph.