Include non-championship races
| Chief Designer | Gordon Coppuck |
| Designed In | 1973 |
| Significance of Name | McLaren 23rd design |
| Active Years | 1973–1978 |
| Cars Entered | 177 |
| Races Contested | 83 |
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| Average Classification | Median: 5, Mean: 6.02 (Standard deviation: 4.15) |
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| Average Qualifying Position | Median: 9, Mean: 10.48 (Standard deviation: 7.53) |
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| Fastest Laps | 10 |
| Average Fastest Lap Position | Median: 6, Mean: 7.24 (Standard deviation: 5.38) |
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| Races Led | 23 |
| Laps Led | 589 |
| Race Distance Led | 3040 km |
| Debut | 1973 South African GP |
| Maiden Win | 1973 Swedish GP |
| Last Race | 1978 Italian GP |
| Drivers' Championship | | 1973 – | 5th | ( Peter Revson) | (scored 32 of 38 points, 84%) | | 6th | ( Denny Hulme) | (scored 20 of 26 points, 77%) | | 9th | ( Jacky Ickx) | (scored 4 of 12 points, 33%) |
| 1974 – | 1st | ( Emerson Fittipaldi) | (scored 53 of 55 points, 96%) | | 7th | ( Denny Hulme) | (scored all 20 points, 100%) | | 11th | ( Mike Hailwood) | (scored all 12 points, 100%) |
| 1975 – | 2nd | ( Emerson Fittipaldi) | (scored all 45 points, 100%) | | 8th | ( Jochen Mass) | (scored all 20 points, 100%) |
| 1976 – | 1st | ( James Hunt) | (scored 67 of 69 points, 97%) | | 9th | ( Jochen Mass) | (scored 18 of 19 points, 95%) |
| 1977 – | 5th | ( James Hunt) | (scored 9 of 40 points, 22%) | | 6th | ( Jochen Mass) | (scored 14 of 25 points, 56%) |
| 1978 – | not classified |
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| Constructors' Championship | |
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