GT Coupe Premium, 400a Package, 5.0L V8 Engine, 3.15 Ratio Limited Slip Axle. Rob Sight Ford is proud to offer this outstanding 2015 Ford Mustang. Climb into this fantastic Ford Mustang, knowing that it will always get you where you need to go, on time, every time. We make it EASY to do business. Zero Pressure, Non-Commission Staff, and No Hassle Pricing.