| Avantime | - The Avantime, the Espace coupe (not a prototype any longer) |
| M25 | - The M25, midengined semiopen sportscar (1987) |
| P43 | - The P43 2-seater roadster |
| P55 | - The P55 micro 4-seater |
| P57 | - The P57 "feel the elements" car |
| P72/m72 | - The P72 buggy (2000) |
| P75 | - The P75 electrical car (2002) |
| Zoom | - The Zoom electical vehicle |
| Zo | - The Renault Zo fun-vehicle (1998) |
| PARI | - The PARI retro design studio |