Bought a 2015 model in November of 2014.  To me the best part of the car was its size.  Although the M4 is more powerful and probably all around "better"  I just felt it was too big.  When I drove this car I instantly fell in love. Car is a 6 speed manual transmission.  I immediately began modifying the car.  My plan is to make it a track animal with civil street manners, but definitely something to have fun with at track days.  Factory options: Limited Slip Differential (port installed), Carbon Fiber Interior and mirrors, M Performance exhaust and front lip and rear spoiler.  I am tracking my build   here.