1966 Champion
Driver: John Surtees
Team: Team Surtees
Car: Lola T70 MKII

1967 Champion
Driver: Bruce Leslie McLaren
Team: Bruce McLaren Motor Racing
Car: McLaren M6A

1968 Champion
Driver: Denis Clive 'Denny' Hulme
Team: Bruce McLaren Motor Racing
Car: McLaren M8A

1969 Champion
Driver: Bruce Leslie McLaren
Team: Bruce McLaren Motor Racing
Car: McLaren M8B

1970 Champion
Driver: Denis Clive 'Denny' Hulme
Team: Bruce McLaren Motor Racing
Car: McLaren M8D

1971 Champion
Driver: Peter Jeffrey Revson
Team: Bruce McLaren Motor Racing
Car: McLaren M8F

1972 Champion
Driver: George Follmer
Team: Penske Cars
Car: Porsche 10/1/917

1973 Champion
Driver: Mark Neary Donohue, Jr.
Team: Penske Cars
Car: Porsche 917/30

1974 Champion
Driver: Keith Jack Oliver
Team: Shadow Racing Team
Car: Shadow DN4

1977 Champion
Driver: Patrick Daniel Tambay
Team: Haas-Hall Racing
Car: Lola T333CS-Chevrolet

1978 Champion
Driver: Alan Stanley Jones
Team: Haas-Hall Racing
Car: Lola T333CS-Chevrolet

1979 Champion
Driver: Jacques Bernard 'Jacky' Ickx
Team: Carl Haas Racing
Car: Lola T333CS-Chevrolet

1980 Champion
Driver: Patrick Daniel Tambay
Team: Carl Haas Racing
Car: Lola T530-Chevrolet

1981 Champion
Driver: Geoff Brabham
Team: Team VDS
Car: Lola T530-Chevrolet / VDS 001-Chevrolet

1982 Champion
Driver: Alfred 'Little Al' Unser, Jr.
Team: Galles Racing
Car: Frissbee GR3-Chevrolet

1983 Champion
Driver: Jacques Villeneuve
Team: Canadian Tire
Car: Frissbee GR3-Chevrolet

1984 Champion
Driver: Michael Roe
Team: Norwood/Walker
Car: VDS 002-Chevrolet / VDS 004-Chevrolet

1985 Champion
Driver: Rick Miaskiewicz
Team: Mosquito Autosport
Car: Frissbee GR3-Chevrolet

1986 Champion
Driver: Horst Kroll
Team: Kroll Racing
Car: Frissbee KR3-Chevrolet