1991 Australian Grand Prix a concussion”. He also made reference to the fact that “there was a truck down the straight” as well as four cars and, as a result, the race should have had 10 laps to be stopped. With less than seventy-five percent of the race distance being completed, half the usual world championship points were awarded, the first time this had happened in Formula One since the wet 1984 Monaco Grand Prix had been stopped just before half distance. Senna and Berger's result was enough for McLaren to win the 1991 World Constructors Championship by 14 points over Williams. This was
Williams Grand Prix Engineering Canadian Grand Prix in Montreal, Williams locked out the front row only for Patrese to drop back with gearbox problems and Mansell to retire from the lead on the final lap with an electrical fault. At the following race, in Mexico, Williams achieved a 1–2, Patrese finishing ahead of Mansell to score 16 points for the Williams team. Williams then ran a streak of victories, with Mansell winning the French Grand Prix, five seconds ahead of Alain Prost's Ferrari. Mansell then won again at the British Grand Prix; it had been four years since a Briton had won the Grand