Ford makes model year 2015 Mustangs with 3.7-liter V6, 2.3-liter Ecoboost and 5-liter V8 engines. Engines are specific to models of Mustangs and cannot be interchanged as options.
Ford offers 2015 Mustang V6 models with 3.7-liter, twin independent variable camshaft timing engines. The company offers the Mustang Ecoboost and Ecoboost Premium with 2.3-liter engines and Ecoboost technology that includes turbochargers and direct gas injections meant to improve fuel economy. The Ford Mustang GT and GT Premium have 5-liter V8 twin independent variable camshaft timing engines. The 2015 Ford Mustang V6, Ecoboost Premium and GT Premium convertible models offer the same engines as their hardtop counterparts.