The 1989 United States Grand Prix was won by Alain Prost of McLaren. Despite being on pole position in United States of America, Ayrton Senna could not convert this into a win. Senna was forced to retire in lap 44 due to: Electrical.
The race in United States of America was round 5 of 16 of the 1989 season.
The 1989 United States Grand Prix was a Formula One motor race held on June 4, 1989, in Phoenix, Arizona.
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