Prost GP finished sixth in the constructors ' championship in its first season, with 21 points.

In the next round in Europe, Hill again finished second behind Senna and ahead of a lapped Prost.

Prost finished the season as champion.

However, this was a rare highlight in a race few of the main front-runners finished, and the poor performance of the Prost team convinced him that a switch to Jordan would bring improved results.

At the 1985 San Marino Grand Prix, Boutsen finished third, behind Alain Prost and Elio de Angelis, but after the race, Prost and de Angelis were disqualified because their cars were 2 kg underweight, meaning that Boutsen won for the first time in his Formula One career.

The Tyrrell 010s of Irish driver Derek Daly and French driver Jean-Pierre Jarier finished fourth and fifth with Alain Prost ( McLaren M29 ) completing the points finishers.

In the race on Saturday, Jones jumped off the line into the lead, but Reutemann was quickly passed by Gilles Villeneuve, Alain Prost and Bruno Giacomelli, and finished the first lap in fifth.

Six turbo-charged cars completed the first 6 grid positions, and 4 turbo-charged cars driven by 4 French drivers finished in the top 4 places, and the French Renault team finished 1-2 with René Arnoux winning and Alain Prost finishing second, but under sour circumstances-as Arnoux violated a pre-race agreement that if he and Prost were 1st and 2nd, Arnoux would let Prost by to help his better championship standing.

Renault's Alain Prost finished in second place, passing Arnoux with 3 laps left after the # 28 Ferrari spun in the Acque Mineralli chicane.

Senna and Mansell were not the only new drivers to run near the front – Stefan Bellof, running in the only naturally aspirated car in the race, finished third and had been closing on both Senna and Prost.

Lauda, who started 8th, finished 2nd to boost his championship hopes while Prost had to deal with a minor misfire in his TAG engine for the race but still finished 3rd.

By the time Prost had finished and won the race, he had lapped every running car in the field.

Alain Prost finished second, only eleven seconds behind.

Italian driver Michele Alboreto driving a Ferrari 156 / 85 finished third, tying the championship pointscore between Alboreto and Prost.

Jacques Laffite finished fifth in his Ligier-Renault with Prost gaining a vital World Championship point for finishing sixth.

Reigning World Champion Alain Prost finished 3rd in his McLaren-TAG, one lap down on the Williams pair.

Reigning champion Frenchman Alain Prost driving a McLaren MP4 / 3 finished third.

Brazilian driver Ayrton Senna finished in second position in his Lotus 99T ahead of reigning world champion Alain Prost in his McLaren MP4 / 3.

Jones ' Lola retired on lap 20 with a failed electrics following a typically firey drive through to the top 10 after stalling at the start, while Prost retired with engine failure on lap 26.

At the end of the season, Prost finished off his career with the World Championship with 99 points with arch-rival Senna second with 73, Hill third with 69, Schumacher fourth with 52, Patrese fifth with 20, Alesi sixth with 16, Brundle seventh with 13 and Berger eighth with 12.

At the end of the season, Prost finished off his career with the World Championship with 99 points with arch-rival Senna second with 73, Hill third with 69, Schumacher fourth with 52, Patrese fifth with 20, Alesi sixth with 16, Brundle seventh with 13 and Berger eighth with 12.

After the stops, Mansell stayed 10 seconds ahead of Senna with Berger a long way back but 20 seconds ahead of Prost.

With seven laps to go, Piquet was 20 seconds ahead and winding down his boost as he allowed Prost to unlap himself.

From there he put some 5 seconds between himself and Prost before being taken out by Arnoux on lap 28.

In that time, he had built up a sufficient to lead to rejoin the race still in 1st, albeit now only a few seconds ahead of Prost.

Less than three seconds behind Prost, and the last car on the lead lap, was Rosberg, who therefore won the final title, in fifth place.

Mansell pulled away from Prost at around two seconds per lap, before going off six laps later on the run up to Casino Square after hitting a painted white line, damaging his car and retiring from the race.

And Prost finally got by Rosberg later on at the Verriere bends ; and the pace started to hot up as Prost began to push very hard, catching Piquet ( who was now 23 seconds ahead ) at 1. 5 to 2 seconds a lap.

Prost won by 30 seconds over Brazilian driver Ayrton Senna driving a Lotus 97T.

His team mate Alain Prost took the lead in the championship by finishing second, only 0. 232 seconds behind Lauda.

Prost won by almost 52 seconds over the Brazilian duo Nelson Piquet ( Brabham BT54 ) and Ayrton Senna ( Lotus 97T ).

Following the tyre failures of Rosberg and Mansell, the Williams team called Piquet in for a pre-cautionary stop and he came out of the pits 15 seconds behind Prost.

Piquet made a late charge to close the gap to 4. 2 seconds but Prost took victory to win his second of four titles.

Prost won the race by 40 seconds over local hero Nelson Piquet driving a Williams FW11B.

Prost won the race by 25 seconds over his Swedish team mate Stefan Johansson.

Mansell, Piquet and Prost were engaged in a gripping battle for the lead, separated by just two seconds.

Mansell took victory by 22 seconds over Frenchman Alain Prost driving a McLaren MP4 / 3.

Over the last 10 laps of the race Berger closed to within 10 seconds of leader Prost but was unable to catch him.

Maintaining a lead of 6 – 10 seconds, Senna slowed on the last lap to make sure he finished without running out of fuel which reduced the gap to the pursuing Prost to just 2. 3 seconds at the line.

Prost had started the last lap some 7 seconds behind his team mate but was only 2. 434 behind at the flag as Senna had driven only as fast as he needed to both win and conserve fuel at what was traditionally one of the most fuel thirsty circuits on the Formula One calender.

Ayrton Senna was in a class of his own being the only driver to get under 1: 24. 0 and finishing an astonishing 1. 4 seconds quicker than team mate and Monaco specialist Alain Prost and 2. 7 seconds faster than third placed Gerhard Berger in his Ferrari.