Guy Tunmer
Percival Guy Tunmer was a racing driver from South Africa. He participated in one Formula One World Championship Grand Prix, his home race in 1975, driving a Lotus 72 for a local team, Team Gunston. He finished 11th, scoring no championship points. He later found success in Formula Atlantic.
Guy Tunmer was killed in a motorcycle accident in his native South Africa in 1999.| Year | Entrant | Chassis | Engine | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | WDC | Points |
| 1975 | Team Gunston | Lotus 72 | Cosworth V8 | ARG | BRA | RSA
11 | ESP | MON | BEL | SWE | NED | FRA | GBR | GER | AUT | ITA | USA | NC | 0 |
