Ford’s Ecoboost Mustang brings Turbo Charged 4 cylinders back to the Mustang lineup and offers a lot of performance for around $25,000. But, there are a lot of great performance cars available for similar money. So we brought along the Subaru WRX, the Scion FRS, and Ford’s own Fiesta ST to put our favorites against each other and see how the EcoBoost deals with the competition.