1 | 2 | Monza | 7 | Philippe de Henning/Luigi Taverna/ | ALD C91 | Ford Cosworth Cosworth DFR | C1 | 7 | Engine |
2 | 5 | Nurburgring | 7 | Ranieri Randaccio/Mirko Savoldi/ | Spice SE89C | Ford Cosworth Cosworth DFZ | C1 | 8 | Brakes |
3 | 6 | Magny-Cours | 60 | Pascal Fabre/Bernard Thuner/ | ROC 002 | Ford Cosworth Cosworth DFR | C1 | 11 | Engine |
4 | 7 | Mexico City | 7 | Patrick Gonin/Luigi Taverna/ | ALD C91 | Ford Cosworth Cosworth DFR | C1 | 10 | Differential |