TARMAC TITANS COLLIDE

■ RC2: R5, RRC and S2000 ■ RC2: R4, NR4 ■ RC3: Group A (1600-2000cc), Super 1600, R2 (1600-2000cc or turbo 1067-1333cc), R3 ■ RC4: Group A (up to 1600cc), R2 (1390-1600cc or turbo 927-1067cc), Kit cars up to 1600cc, Group N (1600-2000cc) ■ RC5: Group N (up to 1600cc), R1 ■ BRC 1: R5, S2000, RRC ■ BRC 2: NR4 ■ BRC 3: R3 ■ BRC Junior: R2 for drivers under 26 ■ BRC 4: R2 for drivers over 26 ■ BRC 5: R1 ■ National Rally Cup: Cars without FIA homologation, have an MSA logbook

BRC R-GT: R-GT ■ Class 1: Group N (up to 1600cc), R1 ■ Class 2: Group A (up to 1600cc), R2 (1390-1600cc), Kit cars (up to 1600cc), Group N (1601-2000cc) ■ Class 3: Group A (1601-2000cc), R2 (1600-2000cc), R3 ■ Class 4: Group N over 2000cc ■ Class 5: R4, R5, S2000 ■ Class 6: R-GT ■ Class 7: Group A (over 2000cc), WRC, RRC

Circuit of Ireland National Rally ■ Class 1: Group N (up to 1600cc), R1 ■ Class 2: Group A (up to 1600cc), R2 (1390-1600cc, turbo 927-1067cc), Kit cars (up to 1600cc), Group N (1601-2000cc) ■ Class 3: Group A (1601-2000cc), R2 (1600-2000cc, turbo 10671333cc), R3, Super 1600 ■ Class 4: NR4 (over 2000cc) ■ Class 5: R4, R5, S2000, RRC ■ Class 6: R-GT ■ Class 7: Group A (over 2000cc), WRC ■ Class 8: Four-wheel-drive not included in Class 7