Percival Guy Tunmer (1 December 1948 – 22 June 1999) 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. Complete Formula One World Championship results (key) References 1948 births 1999 deaths People from Ficksburg South African racing drivers South African Formula One drivers Team Gunston Formula One drivers Atlantic Championship drivers Motorcycle road incident deaths Road incident deaths in South Africa