Ignore non-championship races
| Active Years | 1959–1969 (World Championship), 1954, 1959–1969 (overall) |
| Cars Entered | 146 |
| Races Contested | 89 |
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| Average Classification | Median: 7, Mean: 7.51 (Standard deviation: 2.94) |
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| Average Qualifying Position | Median: 14, Mean: 13.13 (Standard deviation: 4.51) |
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| Fastest Laps | 0 |
| Average Fastest Lap Position | Median: 10, Mean: 10.56 (Standard deviation: 4.68) |
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| Races Led | 0 |
| Debut | 1954 Cornwall MRC Race |
| Last Race | 1969 Monaco GP |
| World Championship |
| Drivers' Championship | | 1959 – | not classified | | 1960 – | 5th | ( Phil Hill) | (scored 1 of 16 points, 6%) | | 6th | ( Olivier Gendebien) | (scored all 10 points, 100%) | | 11th | ( Tony Brooks) | (scored all 7 points, 100%) | | 19th | ( Henry Taylor) | (scored all 3 points, 100%) |
| 1961 – | 12th | ( John Surtees) | (scored all 4 points, 100%) | | 17th | ( Roy Salvadori) | (scored all 2 points, 100%) |
| 1962 – | 4th | ( John Surtees) | (scored all 19 points, 100%) |
| 1963 – | not classified | | 1964 – | 16th | ( Chris Amon) | (scored all 2 points, 100%) | | 19th | ( Mike Hailwood) | (scored 1 point, 100%) |
| 1965 – | 16th | ( Richard Attwood) | (scored all 2 points, 100%) |
| 1966 – | 12th | ( Mike Spence) | (scored all 4 points, 100%) |
| 1967 – | 16th | ( Chris Irwin) | (scored all 2 points, 100%) |
| 1968 – | 20th | ( Piers Courage) | (scored all 4 points, 100%) |
| 1969 – | not classified |
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| Constructors' Championship | |
| Son | Tim Parnell |
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| Driver | Races | Years |
Reg Parnell | 1 | 1954 | Henry Taylor | 6 | 1959–1960 | Tim Parnell | 1 | 1959 | Chris Bristow | 3 | 1960 | Tony Brooks | 6 | 1960 | Olivier Gendebien | 5 | 1960 | Bruce Halford | 1 | 1960 | Phil Hill | 1 | 1960 | John Surtees | 17 | 1961–1962 | Roy Salvadori | 13 | 1961–1962 | Chris Amon | 19 | 1963–1965 | Maurice Trintignant | 2 | 1963 | Lucien Bianchi | 1 | 1963 | Mike Hailwood | 12 | 1963–1965 | Masten Gregory | 3 | 1963 | Rodger Ward | 1 | 1963 | Hap Sharp | 2 | 1963 | Peter Revson | 1 | 1964 | Tony Maggs | 1 | 1965 | Richard Attwood | 8 | 1965 | Innes Ireland | 7 | 1965 | Bob Bondurant | 1 | 1965 | Mike Spence | 9 | 1966 | Giancarlo Baghetti | 1 | 1966 | Piers Courage | 14 | 1967–1968 | Chris Irwin | 9 | 1967 | Pedro Rodriguez | 3 | 1969 |
| Car Manufacturer | Races | Years |
| ERA | 1 | 1954 | | Cooper | 36 | 1959–1961 | | Lola | 29 | 1962–1963 | | Lotus | 55 | 1963–1967 | | Ferrari | 1 | 1966 | | BRM | 24 | 1967–1969 |
| Engine Manufacturer | Races | Years |
| Bristol | 1 | 1954 | | Climax | 68 | 1959–1964 | | BRM | 76 | 1963–1969 | | Ferrari | 1 | 1966 |
| Tyre Manufacturer | Races | Years |
| Dunlop | 69 | 1961–1964, 1969 | | Firestone | 2 | 1966 | | Goodyear | 1 | 1969 |
| Lubricant Manufacturer | Races | Years |
| Shell | 17 | 1962 |
| Entrant | Races | Years |
| R.H.H. Parnell | 3 | 1954, 1959 | | Yeoman Credit Racing Team | 34 | 1960–1961 | | Bowmaker Racing Team | 17 | 1962 | | Reg Parnell Racing | 92 | 1963–1969 |
| Chassis Designer | Races | Years |
| Owen Maddock | 36 | 1959–1961 | | Eric Broadley | 29 | 1962–1963 | | Colin Chapman | 55 | 1963–1967 | | Len Terry | 18 | 1965–1966, 1968–1969 | | Mauro Forghieri | 1 | 1966 | | Tony Rudd | 10 | 1967 |
| Car Model | Races | Years |
| ERA | 1 | 1954 | | Cooper T51 | 22 | 1959–1960 | | Cooper T45 | 1 | 1959 | | Cooper T53 | 13 | 1961 | | Lola Mk 4 | 19 | 1962–1963 | | Lola Mk 4A | 10 | 1963 | | Lotus 24 | 7 | 1963 | | Lotus 25 | 44 | 1964–1967 | | Lotus 33 | 4 | 1965–1966 | | Ferrari 246T | 1 | 1966 | | BRM P261 | 4 | 1967 | | BRM P83 | 6 | 1967 | | BRM P126 | 14 | 1968–1969 |
| Car Number | Races | Years |
| Car 21 | 6 | 1954, 1963, 1965 | | Car 58 | 1 | 1959 | | Car 66 | 1 | 1959 | | Car 16 | 7 | 1960, 1964–1968 | | Car 18 | 12 | 1960–1964, 1966–1967 | | Car 8 | 3 | 1960 | | Car 9 | 3 | 1960, 1969 | | Car 10 | 5 | 1960, 1963–1964, 1969 | | Car 34 | 4 | 1960–1961, 1964–1965 | | Car 36 | 4 | 1960–1961, 1964, 1968 | | Car 38 | 5 | 1960, 1963, 1965, 1967 | | Car 44 | 3 | 1960, 1962, 1966 | | Car 46 | 2 | 1960, 1962 | | Car 48 | 1 | 1960 | | Car 12 | 4 | 1960–1961, 1964, 1969 | | Car 14 | 7 | 1960, 1962, 1964, 1968 | | Car 15 | 12 | 1960, 1962–1967 | | Car 6 | 5 | 1960, 1962, 1966–1967 | | Car 7 | 2 | 1960, 1962 | | Car 22 | 12 | 1961, 1963, 1965, 1968 | | Car 24 | 4 | 1961–1962, 1965, 1968 | | Car 40 | 5 | 1961, 1963–1965 | | Car 42 | 3 | 1961, 1966 | | Car 19 | 6 | 1961–1963, 1965 | | Car 20 | 6 | 1962–1963, 1965, 1968 | | Car 26 | 2 | 1962 | | Car 28 | 2 | 1962–1963 | | Car 5 | 2 | 1962, 1968 | | Car 17 | 10 | 1963–1964, 1966–1967 | | Car 30 | 1 | 1963 | | Car 27 | 2 | 1964, 1968 | | Car 23 | 2 | 1965 | | Car 32 | 2 | 1966 |
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