His first car, the &lt;a href="McLaren%20MP4/3"&gt;McLaren MP4/3&lt;/a&gt; powered by the turbocharged TAG-Porsche V6 engine, carried Alain Prost to three victories in 1987, the last of which being the 1987 Portuguese Grand Prix where Prost scored his 28th win, passing Jackie Stewart's record of 27 that had stood since . McLaren's second team driver Stefan Johansson, scored five podium finishes during the season. At the end of the season, the MP4/3 had given McLaren second place behind Williams in the Constructors' Championship.