J.D. Power's annual dealer satisfaction survey revealed one company that has made huge strides over the past year, Automotive News reports. Ally Financial finished dead last in last year's survey but showed "dramatic improvement" this year, according to Paul Cuevers, director of automotive finance for J.D. Power, quoted by the news source. The company finished with above average ratings in both prime retail credit and leasing categories, and, according to Crain's Detroit Business, reported a 44 percent gain year-over-year in its global retail auto financing volume. In addition, the company wrote $2.3 billion in auto loans and leases worldwide - a marked increased compared to the $1.6 billion written in the second quarter of 2010. Carl Moyer, owner of Karl Chevrolet in Des Moines, Iowa, explained to Automotive News that the company's improvements have made it a competitor. Ally is the preferred lender for General Motors and Chrysler Group brands, Fiat, Suzuki, Saab and Maserati.