The Matra-Simca MS630 was a Group 5 prototype race car introduced in 1967 for the World Championship for Makes. The MS630 replaced the previous Matra MS620. The car was initially designated as the Matra M630, but when Simca sponsored Matra in 1969, it was renamed as the Matra-Simca MS630.

The Matra-Simca MS650 is a Group 6 prototype race car introduced in 1969 for the International Championship for Makes. The MS650 replaced the previous Matra-Simca MS630.