2024 Ford Mustang Ecoboost Fastback Mpg. I got 18.6 mpg in a mix of the two, but managed 22.3 in a. It gets upgraded brakes, a new steering rack, and some suspension adjustments.

Better yet, the upgraded powertrain delivers an estimated 26 mpg in the epa’s combined cycle, a 4% improvement for the mustang ecoboost coupe, and a 12% increase for. The ecoboost model with the automatic.