Class N3: Current and former FIA Group N cars over 1400cc up to and including 2000cc

Class H1: All Historic category 1 cars and category 2 and 3 cars up to 1600cc

Class H2: Historic category 2 and 3 cars with single cam engines over 1600cc

Class H3: Historic category 2 and 3 cars with multi cam engines over 1600cc

Class B10: Over 1400cc up to and including 1600cc

Class B11: Over 1600cc up to and including 2000cc

Class B12: Over 2000cc two wheel drive