Toyota Financial Services recently leaped over GMAC Financial services to take the lead as the biggest U.S. auto lender in terms of loan and lease contract volume. The study by AutoCount (a unit of the Experian Automotive company) estimates that Toyota captured 6.35% of the market from January through June, while GMAC had 6.2% for a close second place. Rounding out the top five were Chase Auto Finance, American Honda Finance, and Ford Credit (in that order).