1953
Chassis Mt4 #1124-1138 are produced during 1953
- March 8th – Sebring 12 hours, Cunningham wins the under 1500cc class in a 1350cc Mt4 (#1124)
- April 26th – 1953 Mille Miglia, OSCA wins 1st, 2nd, 3rd, 5th in class (1100 Sport)
- May – Porsche introduces their 550 Spyder model, 1500cc (110cv @ 6200)
- June - Introduction of an MT4 1450cc engine version (110cv @6200)
- September 5-13th – Peron 1st OA at the Tour De France race in his 1100cc Mt4 (#1134)
- Late 1953 – Introduction of the 4 speed OSCA - ZF gearbox