To be eligible for the Richard Mille Princesses Rally, cars must have been born between 1946 and 1991. They must also comply with road traffic regulations.

They are divided into 7 groups and 3 speed averages:

• Low Average Speed: 40 km/h for vehicles of group 1
• Intermediate Average Speed: 45 km/h for vehicles of groups 2 and 3
• High Average Speed: 50 km/h for vehicles of groups 4, 5, 6 and 7

Cars will be chosen by the organisation who reserves the right to accept or refuse the applications, without having to justify the reasons.