Classes Groups
WRC
WRC (2011): 1.6 T engine with WRC kit
1
S2000-Rally: 1.6 T engine with a 33mm restrictor
2
S2000-Rally: 1.6T engine with a 30mm restrictor
S2000-Rally: 2.0 Atmospheric
Group R4
3
Group N car over 2000cc (current N4)
4
RGT Cars
5
Group A car over 1600cc and up to 2000cc
Super 1600
R2C (over 1600cc and up to 2000cc)
R3C (over 1600cc and up to 2000cc)
R3T (up to 1600cc / nominal)
R3D (up to 2000cc / nominal)
6
Group A car over 1400cc and up to 1600cc
R2B (over 1400cc and up to 1600cc)
kit-car over 1400cc and up to 1600cc
7
Group A car up to 1400cc
kit-car up to 1400cc
8
Group N car over 1600cc and up to 2000cc
9
Group N car over 1400cc and up to 1600cc
R1B (over 1400cc and up to 1600cc)
10
Group N car up to 1400cc
R1A (up to 1400cc)