Filed under: Ford,Fuel Efficiency,Coupe,Performance The manual-equipped Mustang GT doesn't improve, though. Continue reading 2018 Ford Mustang EPA fuel economy: Both GT and Ecoboost see gains 2018 Ford Mustang EPA fuel economy: Both GT and Ecoboost see gains originally appeared on Autoblog on Tue, 10 Oct 2017 10:25:00 EDT. Please see our terms for use of feeds. Permalink | Email this | Comments Continue reading...