1911-12 - 9800cc maximum engine capacity 1913-14 - 7400cc maximum engine capacity 1915-19 - 4900cc maximum engine capacity 1920-22 - 3000cc maximum engine capacity 1923-25 - 2000cc maximum engine capacity 1926-29 - 1500cc maximum engine capacity 1930-33 - 6000cc supercharged production-based engines 1934 - 6000cc supercharged production-based engines. 45 gallon maximum fuel limit. 1935 - 6000cc supercharged production-based engines. 42.5 gallon maximum fuel limit. 1936 - No maximum engine capacity. 37.5 gallon maximum fuel limit. 1937 - As 1936, but commercial pump fuel compulsory. 1938-56 - 4500cc normally aspirated and 3000cc supercharged maximum engine capacity. 1957-68 - 4200cc normally aspirated and 2800cc supercharged maximum engine capacity. 1969-70 - 4200cc normally aspirated, 2650cc turbocharged and 5000cc stockblock rocker arm normally aspirated maximum engine capacity. 1971 - 4200cc normally aspirated, 2650cc turbocharged and 5878cc stockblock normally aspirated maximum engine capacity. 1972-78 - 4500cc normally aspirated, 2650cc turbocharged and 5878cc stockblock normally aspirated maximum engine capacity. Turbo boost restrictions progressively introduced from 1973. 1979-84 - 4500cc normally aspirated, 2650cc turbocharged and 5878cc stockblock normally aspirated maximum engine capacity. 1985-94 - 2650cc turbocharged maximum engine capacity. 5878cc stockblock engines phased out, with only teams which had consistently used them in the past (for example, at Indianapolis) allowed to continue using them. Click on the years below to bring up the yearly results.
Year Driver Nat Car 1916 Dario Resta I Peugeot 1920 Gaston Chevrolet USA Frontenac 1921 Tommy Milton USA Durant-Duesenberg/Frontenac/Durant-Miller 1922 Jimmy Murphy USA Duesenberg-Miller 1923 Eddie Hearne USA Miller 1924 Jimmy Murphy USA Miller 1925 Peter de Paolo USA Duesenberg 1926 Harry Hartz USA Miller 1927 Peter de Paolo USA Miller 1928 Louis Meyer USA Miller 1929 Louis Meyer USA Miller 1930 Billy Arnold USA Summers-Miller 1931 Louis Schneider USA Stevens-Miller 1932 Bob Carey USA Stevens-Miller 1933 Louis Meyer USA Miller 1934 Bill Cummings USA Miller 1935 Kelly Petillo USA Wetteroth-Offenhauser 1936 Mauri Rose USA Miller-Offenhauser 1937 Wilbur Shaw USA Shaw/Stevens-Offenhauser 1938 Floyd Roberts USA Wetteroth-Offenhauser 1939 Wilbur Shaw USA Maserati 1940 Rex Mays USA Stevens-Winfield 1941 Rex Mays USA Stevens-Winfield 1946 Ted Horn USA Horn-Offenhauser/Maserati 1947 Ted Horn USA Horn-Offenhauser/Maserati 1948 Ted Horn USA Horn-Offenhauser/Maserati 1949 Johnnie Parsons USA Kurtis-Offenhauser 1950 Henry Banks USA Maserati-Offenhauser/Moore-Offenhauser 1951 Tony Bettenhausen USA Deidt-Offenhauser/Kurtis-Offenhauser 1952 Chuck Stevenson USA Kurtis KK4000-Offenhauser 1953 Sam Hanks USA Kurtis KK4000-Offenhauser 1954 Jimmy Bryan USA Kuzma-Offenhauser 1955 Bob Sweikert USA Kurtis KK500D-Offenhauser/Watson-OffenhauserIn 1926-27 the Secretary of the AAA Contest Board Val Haresnape retrospectively announced champions for 1909-15 and 1917-19 based on all AAA races (five-mile dashes, class results and city-city marathons). In 1951, Russ Catlin further revised the official AAA records, publishing new results for 1902-08, amending the 1909 Haresnape champion from Bert Dingley to George Robertson, and awarding the 1920 series to Tommy Milton. These results are all listed below.USAC National Championship
Year Driver Nat Team Car 1956 Jimmy Bryan USA Dean Van Lines Kuzma-Offenhauser 1957 Jimmy Bryan USA Dean Van Lines Kuzma-Offenhauser 1958 Tony Bettenhausnen USA John Zink Jr Epperly-Offenhauser/ Jones & Maley Kurtis KK4000-Offenhauser/ Hardwood Special Watson-Offenhauser 1959 Rodger Ward USA Leader Cards Watson-Offenhauser 1960 AJ Foyt Jr USA Bowes Seal Fast Meskowski-Offenhauser 1961 AJ Foyt Jr USA Bowes Seal Fast Watson/Trevis-Offenhauser/Meskowski-Offenhauser 1962 Rodger Ward USA Leader Cards Watson-Offenhauser 1963 AJ Foyt Jr USA Sheraton-Thompson Meskowski-Offenhauser/Watson/Trevis-Offenhauser 1964 AJ Foyt Jr USA Sheraton-Thompson Watson-Offenhauser/Meskowski-Offenhauser 1965 Mario Andretti USA Dean Racing Enterprises Hawk-Ford/Kuzma-Offenhauser 1966 Mario Andretti USA Dean Racing Enterprises Hawk-Ford/Kuzma-Offenhauser 1967 AJ Foyt Jr USA Sheraton-Thompson Coyote-Ford/Meskowski-Offenhauser 1968 Bobby Unser USA Leader Cards Eagle 68-Ford/Eagle 68-Offenhauser/Unser-Chevrolet 1969 Mario Andretti USA STP Granatelli Hawk-Ford/Kuzma-Offenhauser 1970 Al Unser USA Vel's Parnelli Jones Colt 70-Ford/King-Ford 1971 Joe Leonard USA Vel's Parnelli Jones Colt 71-Ford 1972 Joe Leonard USA Vel's Parnelli Jones Parnelli-Offenhauser 1973 Roger McCluskey USA Lindsey Hopkins McLaren M16B-Offenhauser 1974 Bobby Unser USA All-American Racers Eagle 74-Offenhauser 1975 AJ Foyt Jr USA Gilmore-Foyt Racing Coyote-Ford 1976 Gordon Johncock USA Patrick Racing Wildcat-Offenhauser 1977 Tom Sneva USA Penske Racing McLaren M24-Cosworth 1978 Tom Sneva USA Penske Racing Penske PC6-Cosworth 1979 AJ Foyt Jr USA Gilmore-Foyt Racing Parnelli VPJ6C-Cosworth/Coyote-FordCART Indycar World Series
Year Driver Nat Team Car 1979 Rick Mears USA Penske Racing Penske PC7-Cosworth/Penske PC6-Cosworth 1980 Johnny Rutherford USA Chaparral Racing Chaparral 2K-Cosworth 1981 Rick Mears USA Penske Racing Penske PC9B-Cosworth 1982 Rick Mears USA Penske Racing Penske PC10-Cosworth 1983 Al Unser USA Penske Racing Penske PC11-Cosworth/Penske PC10B-Cosworth 1984 Mario Andretti USA Newman-Haas Racing Lola T800-Cosworth 1985 Al Unser USA Penske Racing March 85C-Cosworth 1986 Bobby Rahal USA Truesports March 86C-Cosworth 1987 Bobby Rahal USA Truesports Lola T87/00-Cosworth 1988 Danny Sullivan USA Penske Racing Penske PC17-Chevrolet 1989 Emerson Fittipaldi BRZ Patrick Racing Penske PC17-Chevrolet/Penske PC18-Chevrolet 1990 Al Unser Jr USA Galles-Kraco Racing Lola T90/00-Chevrolet 1991 Michael Andretti USA Newman-Haas Racing Lola T91/00-Chevrolet 1992 Bobby Rahal USA Rahal-Hogan Racing Lola T92/00-Chevrolet 1993 Nigel Mansell GB Newman-Haas Racing Lola T93/00-Ford 1994 Al Unser Jr USA Penske Racing Penske PC23-Ilmor/Penske PC23-Mercedes Benz
Haresnape-Champions
Year Driver Nat Car 1909 Bert Dingley USA Chalmers Detroit 1910 Ray Harroun USA Marmon 1911 Ralph Mulford USA Lozier 1912 Ralph de Palma USA Mercedes 1913 Earl Cooper USA Stutz 1914 Ralph de Palma USA Mercedes 1915 Earl Cooper USA Stutz 1917 Earl Cooper USA Stutz 1918 Ralph Mulford USA Frontenac 1919 Howard Wilcox USA Peugeot 1920 Tommy Milton USA Duesenberg/FrontenacCatlin-Champions
Year Driver Nat Car 1902 Harry Harkness USA 1903 Barney Oldfield USA 1904 George Heath USA 1905 Victor Hemery F 1906 Joe Tracy USA 1907 Eddie Bald USA 1908 Louis Strang USA 1909 George Robertson USAEarlier US Events
1901 1900