The 2007 Auto Club 500 was the second race in the 2007 NASCAR Nextel Cup season. It was held on February 25, 2007 at Auto Club Speedway in Fontana, California. This was the first Cup race to use unleaded gasoline. All cars ran on Sunoco 260 GTX, a 98-octane (R+M/2) unleaded racing fuel, which had been tested at lower tier series in late 2006 and approved for 2007. The race was won by Matt Kenseth, driving the No. 17 Ford for Roush Fenway Racing. Kenseth also led the most laps in this race while Jeff Gordon won the pole.