Abstract: It is indicated in the calculation, in accordance to the different index as well as the data as sample from 2012 to 2014 by use of grey correlation with analytical method, of the grey correlation related to the technological innovation ability and competitiveness in automobile industry that the intensity of technical activity investment is one of the most important factors that makes influence to the automobile industry competitiveness but the export proportion in new product sales revenue and the invention patent number and amount are less obvious in the influence factors.