The 300ZX was built to be a luxury sports car. A cross section between a corvette and a jaguar. 300ZX was not built as a pure sports car hence the extra weight, if you want a pure sports car go buy a supra. So as you see they were built as auto also. There are alot of fast auto TTs out here look around and you will find them. It seems that autos last longer also. Buy a good condition auto TT and change the transmission if you want manual that badly.