Prices shown are the prices you can expect to pay for a 2016 Roush Performance RS Mustang 2 Door Fastback V6 across different levels of condition. Edit options.

Fuel economy ratings remain impressive, too, EPA ratings of up to 26 mpg for the V8 and 31 for the V6. The Boss 302, Ford says, is the quickest and best-handling regular-production Mustang ever ...