| Chief Designer | Neil Oatley |
| Designed In | 1989 |
| Significance of Name | McLaren Project 4, 5th design |
| Active Years | 1989 |
| Cars Entered | 32 |
| Races Contested | 16 |
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| Average Classification | Median: 2, Mean: 2.45 (Standard deviation: 2.39) |
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| Average Qualifying Position | Median: 2, Mean: 1.88 (Standard deviation: 1.14) |
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| Fastest Laps | 8 |
| Average Fastest Lap Position | Median: 2, Mean: 3.41 (Standard deviation: 3.84) |
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| Races Led | 21 |
| Laps Led | 745 |
| Race Distance Led | 3515 km |
| Debut | 1989 Brazilian GP |
| Maiden Win | 1989 San Marino GP |
| Last Race | 1989 Australian GP |
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