The European Touring Car Championship changed its format to a World Championship in 2005 and Coronel moved teams. He left Carly to join up with Team GR Asia, which used the SEAT Toledo. Coronel had a strong year in which he just missed the Independents trophy in the last race. His luck changed for the better in 2006. With the all new SEAT León he did clinch the title, his second in three seasons. He continued his participation with team GR Asia in 2007, though less successful. For the final round of the 2007 British Touring Car Championship at Thruxton, he raced for SEAT Sport UK to help them win the team's championship and the drivers championship for Jason Plato. In both 2005 and 2006 he drove at the 24 Hours of Le Mans for Spyker, but failed to finish in both attempts.