| Constructor | Sauber | ||||||
|---|---|---|---|---|---|---|---|
| Predecessor | Sauber C2 | ||||||
| Successor | Sauber C4 | ||||||
| Technical specifications | |||||||
| Chassis | Tubular spaceframe | ||||||
| Suspension (front) | Double wishbones,coil springs overdampers,anti-roll bar | ||||||
| Suspension (rear) | Twin lower links,Single top links,twin trailing arms,Coil springs overDampers,Anti-roll bar | ||||||
| Engine | Cosworth BDG, 2.0 L (122.0 cu in),L4,DOHC,NA | ||||||
| Transmission | Hewland FGA 400 5-speedmanual | ||||||
| Power | 280 hp (209 kW) | ||||||
| Weight | 660 kg (1,460 lb) | ||||||
| Competition history | |||||||
| Debut | 1973 | ||||||
| |||||||

TheSauber C3 was the thirdsports prototype racing car that SwissPeter Sauber designed and developed. It was built in 1973. It scored one race win, seven podium finishes, clinched one pole position, and achieved three additional wins in its class. It was powered by anaturally aspirated 2.0 L (120 cu in)Ford-Cosworth BDGfour-cylinder engine, developing 280 hp (210 kW).[4][5][6][7][8][9][10]