2012 Porsche Cayman R Review (video)
Nissan GT-R, Genesis R-Spec, Volvo R-Design, Jaguar XKR, Integra Type R, Mercedes SLR, Golf R, Audi TT RS; the list goes on and on. Why is "R" so rad? Because race car. All kidding aside, "R" is equal to yesterday's GT and SS. In fact and in some cases, it's more because GT is emphasized by an "R". So was SS but that's not a good example...