Sauber C9
| The No. 62 C9 on display in 2018 | |||||||||
| Category | Group C Prototype | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor | Sauber Motorsport | ||||||||
| Designer(s) | 
 | ||||||||
| Predecessor | Sauber C8 | ||||||||
| Successor | Mercedes-Benz C11 | ||||||||
| Technical specifications | |||||||||
| Chassis | Light alloy monocoque | ||||||||
| Suspension (front) | Double wishbones, coil springs over shock absorbers, torsion bar stabilizer | ||||||||
| Suspension (rear) | Double wishbones, push-rod operated coil springs over shock absorbers, torsion bar stabilizer | ||||||||
| Length | 4,800 mm (189.0 in) | ||||||||
| Width | 2,000 mm (78.7 in) | ||||||||
| Height | 1,070 mm (42.1 in) | ||||||||
| Axle track | 1,600 mm (63.0 in) | ||||||||
| Wheelbase | 2,770 mm (109.1 in) | ||||||||
| Engine | Mercedes-Benz M119HL 4,973 cc (5.0 L; 303.5 cu in) 90° V8 Twin KKK Type 27 Turbos Mid, longitudinally mounted | ||||||||
| Torque | 578.6 lb⋅ft (784 N⋅m) | ||||||||
| Transmission | Hewland VGC 5-speed Manual | ||||||||
| Power | producing 720 to 820hp (545 to 611kW) at 7,000 rpm | ||||||||
| Weight | 905 kg (1,995.2 lb) | ||||||||
| Fuel | Bosch Motronic MP 1.7 Fuel Injection | ||||||||
| Tyres | Michelin | ||||||||
| Competition history | |||||||||
| Notable entrants | Kouros Racing Team Sauber Mercedes | ||||||||
| Notable drivers | |||||||||
| Debut | 1987 1000km of Spa | ||||||||
| First win | 1988 800km of Jerez | ||||||||
| Last win | 1990 480km of Suzuka | ||||||||
| Last event | 1990 480km of Suzuka | ||||||||
| 
 | |||||||||
| Teams' Championships | 1 (1989) | ||||||||
| Constructors' Championships | 1 (1989) | ||||||||
| Drivers' Championships | 1 (Jean-Louis Schlesser, 1989) | ||||||||
The Sauber C9 (later named the Sauber Mercedes C9 or Mercedes-Benz C9) is a Group C prototype racing car introduced in 1987 as a continuation of the partnership between Sauber as a constructor and Mercedes-Benz as an engine builder for the World Sportscar Championship. The C9 replaced the Sauber C8.