You DO realize that Ford just unveiled a new Mustang right? IRS? Carbon Ceramic brakes? Remains to be seen how much more of a road course car it will be.
There are no stats on the 2015 Mustang yet, except that it will be faster than the Boss on a road course. But, that's not saying much because so is the 1LE ZL1 etc.
I'm not saying Mustangs suck or anything like that, just pointing out that acceleration alone isn't the benchmark of performance, or defines a "better" car.
There's more to performance than acceleration...especially for $70k.