Prices shown are the prices you can expect to pay for a 2021 Roush Performance Stage 3 Mustang 2 Door Fastback GT across different levels of condition. Edit options.

The Mustang made its debut in April 1964 ... but they paved the way for future performance. The 2021 Roush Stage 3 is a ...

Standard equipment includes the features that come with this vehicle. Select Your Options No options are available for this vehicle. For the most accurate pricing and values on new or used vehicles, ...