Organisers said 50 000 tickets have already been sold.
"Fans should hurry to buy tickets," said a report, "while they are still available."
70 000 attended the 2004 race at the GP circuit in rural Nevers.
Elsewhere, female and Indy 500 'rookie of the year' Danica Patrick has made the front cover of the latest 'Sports Illustrated' magazine.
- GMM