The 2006 Proximus Spa 24 Hours was the fourth race is the final race before the summer break for the 2006 FIA GT Championship season. It took place on 29 and 30 July 2006. It set a record for the furthest distance run since the event changed to the shorter 7 km track in 1979.
This race saw Porsche debut their new 997-generation GT3-RSR in the hands of Manthey Racing.
In the FIA GT Championship (using the GT1 and GT2 classes), the top 8 teams are awarded half-points for their position both at the six-hour mark and at the midway part of the race.
Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC).