If the new Supra has a 340hp Inline 6 engine from a BMW it will do 0-60 in the mid to low 4's. A RWD M240i will do 0-60 in 4.4 seconds. It would completely destroy a stock 86/BRZ and the new Supra will most likely be faster than a stock WRX STI. I doubt Toyota would kill the manual on the 86 since the take-rate is…