AAA Champ Car Series

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Series Overview
Alternatively Known As: {{{FormerlyKnown}}}
Series Founded: 1905 Series Disbanded: 1955
Car Style: Open-Wheel (Champ Car) Region: National
Quick Stats
Most Wins: Ralph DePalma (25) Most Titles: Louis Meyer & Ted Horn (3)
Number of Races: 511 Number of Drivers: 1254
Project Status: AGAIG
No championship was awarded from 1909-1915 and 1917-1919. The series went on hiatus from 1942-1945 due to World War II.


The 1946 season was the first season back after World War II, the AAA Contest Board, in fear of having low car counts, decided to count the 71 events of the 1946 AAA Big Car Series as part of the season. Thus making the event count 77 races for the season. The car counts did not suffer as expected, so in December of 1946 the Contest Board decided to only count the initial 6 races scheduled. Official records only count these 6 races and therefore we will only count those races for the 1946 season.

NOTE: Initially the AAA policy for race results was the following: in the event cars are not running at the time the race is officially completed, the prize money will be paid to the cars and positions determined according to the relative position of that car at the time.
In other words, cars that were running on the track at the conclusion of the race were placed ahead of any cars that were not running. Thus, a driver could complete more laps, but due to being unable to finish the race, were then placed behind all other cars that were running. This policy was stopped in the late 1930's.

Following the closure of the AAA Contest Board after the 1955 season, the United States Auto Club was formed and took over the series. Thus starting the, statistically separate, USAC Champ Car Series.

Season Races Champion Margin Most Wins
1905 11 Barney Oldfield 13  Barney Oldfield (6)
1909 24  Louis Chevrolet (3)
1910 19  Ray Harroun (3)
1911 21  5 Drivers (2)
1912 18  Ralph DePalma (4)
1913 14  Earl Cooper (5)
1914 15  Ralph Mulford (4)
1915 27  Dario RestaEarl Cooper (5)
1916 15 Dario Resta 660  Dario Resta (5)
1917 21  Louis ChevroletEarl Cooper (4)
1918 16  Ralph DePalma (6)
1919 21  Tommy Milton (5)
1920 5 Gaston Chevrolet 100  5 Drivers (1)
1921 20 Tommy Milton 250  Jimmy Murphy (4)
1922 18 Jimmy Murphy 1510  Jimmy Murphy (7)
1923 8 Eddie Hearne 532  Eddie HearneJimmy Murphy (2)
1924 9 Jimmy Murphy 355  Jimmy Murphy (3)
1925 11 Pete DePaolo 1515  Pete DePaolo (5)
1926 24 Harry Hartz 1124  Harry HartzFrank Lockhart (5)
1927 11 Pete DePaolo 400  Frank Lockhart (4)
1928 7 Louis Meyer 681  Ray Keech (3)
1929 5 Louis Meyer 330  Louis Meyer (2)
1930 8 Billy Arnold 374.5  Billy Arnold (3)
1931 7 Louis Schneider 172.5  Shorty CantlonLou Moore (2)
1932 6 Bob Carey 105  Bob Carey (2)
1933 3 Louis Meyer 80  Bill Cummings (2)
1934 4 Bill Cummings 151.7  4 Drivers (1)
1935 6 Kelly Petillo 260  Kelly Petillo (3)
1936 4 Mauri Rose 40  4 Drivers (1)
1937 3 Wilbur Shaw 385  Billy WinnWilbur ShawBernd Rosemeyer (1)
1938 2 Floyd Roberts 175  Floyd Roberts Jimmy Snyder (1)
1939 3 Wilbur Shaw 175  Mauri RoseBabe StappWilbur Shaw (1)
1940 3 Rex Mays 225  Rex Mays (2)
1941 3 Rex Mays 550  Rex Mays (2)
1946 6 Ted Horn 100  Rex Mays (3)
1947 11 Ted Horn 310  Ted Horn (3)
1948 12 Ted Horn 721  Myron FohrTed Horn (2)
1949 14 Johnnie Parsons 490  Johnnie Parsons (5)
1950 13 Henry Banks 73  Tony Bettenhausen (3)
1951 15 Tony Bettenhausen 699.4  Tony Bettenhausen (8)
1952 12 Chuck Stevenson 30  Troy RuttmanChuck StevensonBill Vukovich (2)
1953 12 Sam Hanks 409.5  Rodger WardTony BettenhausenSam Hanks (2)
1954 13 Jimmy Bryan 1340  Jimmy Bryan (5)
1955 11 Bob Sweikert 810  Jimmy Bryan (6)