I don't give a flying **** about back seats, or some Wikipedia retard's definition of "sports car". Mustangs are sports cars; Mustangs accelerate, AND brake, AND corner, AND aren't 4200lb pigs like Challengers.
Challengers are muscle cars. They're huge, and all they can do is go in a straight line. Mustangs are sports cars, they can do everything. Why Mustang owners are wetting their panties about the Challenger is beyond me. They're not the same type of vehicles at all.
Well, that may be, but these terms have generally been accepted and used for 40 years. A Mustang is NOT a sports car, per the accepted definition.
2011 Mustang GT M6 3.31s
Matt HONEYCUTT Tune, Lethal Off-Road X, GT500 axlebacks, J&M LCAs, UPR UCA, Whiteline LCA relocation brackets, Eibach Pro-Kit Springs, Koni STR.T shocks/struts, GT500 strut mounts, SR Strut Tower Brace
Best 1/4 E/T (05/18/14 MIR - no tune, X-pipe, or UCA): 12.920 @ 109.40 mph (2.059 60ft)