Originally Posted by Z_ealot

well according to the infiniti website the outgoing G37 base has a curb weight of 3633lbs. and the forthcoming Q50 base has a curb weight of 3574lbs. so around a 60lbs. reduction in weight with the new platform is what it looks like...throw in a manual transmission instead of the G's and Q's standard automatic transmission and i imagine a combined weight savings of approximately 100lbs. on the low end not counting if nissan decides to incorporate more aluminum in the construction of the next Z.