6 Ways Ford Nailed The New Mustang Mach 1 Premium Coupe The new Ford Mustang Mach 1 Premium takes the GT up a notch. Here’s what makes it special. Advertisement Ford’s new Mustang Mach 1 Premium is a special Mustang trim that falls just above the GT in the pecking order of the many great Mustangs one can buy today. We drove the Mustang Mach 1 Premium Coupe on the roads of greater Boston as well as backroads New England and found it is the perfect fun car for an enthusiast, but could also be a capable three-season daily driver. Here’s what we found makes the Mach 1 Premium, as we will call it, special.