From what you said if you are going to build a 240 and want more of a drivers car for the feel get a S13.. Other then the looks of the cars and the feel they are basically the same thing motor and suspension wise like Importluv said. The S14 is newer of' course so more pricey and most of them will be in better condition then your average S13 with better interior in my opinion, I hope that helps you on the quest of becoming a 240 owner.