1931 Grand Prix de Dieppe
26 July - Dieppe: 59 laps x 8.127 km = 479,519 km

Pole Position: N/A
Fastest lap: N/A

Results:

Race scheduled for 4 hours

1 v Earl Howe              Delage 15SB              471.408/ 292.92 (58)
2 v Jean Delorme           Bugatti T37A             406.020/ 252.29 (50)
3 v André Vagniez          Bugatti T37A             392.373/ 243.81 (48)
4 v P. Chevallier          Chevallier Ruby          289.681/ 180.00 (36)

Retirements:

  v René Mary              Bugatti T37A             36 Crash
  v José Scaron            Amilcar                  24± Mechanical
  v Philippe Auber         Bugatti T37A             12± Crash
  v Roch                   BNC 527 Ruby              0 Mechanical