McLaren uses the brakes independently to each rear wheel to substitute the LSD, apparently they already used this in a F1 racer, 12C name cames from that (but was subsequently banned, as other technologies :P) 

I know Porsche is very good day to day car but you would not underestimate the MP4-12C. To my knowledge the McLaren F1 is as realiable as a carrera GT.


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“The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.” -- George Bernard Shaw