CN class sport prototypes builders
CN Class cars manufacturers, and other Mid-Size Sport Prototypes (including V of V)
The CN group is a motor sports category introduced by the FIA in the early 1990s based on the SR2 prototype category. This category was included in the SR1 and SR2 levels in the 1998 FIA ISRS Championship. The CN group is a non-FIA category closely related to the FIA group.