Some 2015 Ford Mustang (s550) prototypes were spotted out in Arizona undergoing hot weather testing and one of them may have been the upcoming Ecoboost turbo 4 cylinder model.
Check out pics and video inside.
New 2015 Mustang Prototype Pics and Video Show Ecoboost 4 Model?
Updated onUpdated on Dec 25, 2014 at 11:50 AM