IndyCar champions: Complete list of winners by year

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Dual Sanctioning (1996-2007)

Indy Racing League

• 2007: Dario Franchitti (Ganassi)
• 2006: Sam Hornish, Jr. (Penske)
• 2005: Dan Wheldon (Andretti-Green)
• 2004: Tony Kanaan (Andretti-Green)
• 2003: Scott Dixon (Ganassi)
• 2002: Sam Hornish Jr. (Panther)
• 2001: Sam Hornish Jr. (Panther)
• 2000: Buddy Lazier (Hemelgarn)
• 1999: Greg Ray (Menard)
• 1998: Kenny Brack (AJ Foyt)
• 1997: Tony Stewart (Menard)
• 1996: Buzz Calkins & Scott Sharp (Bradley & AJ Foyt)*

*Co-champions of a 3-race season

CART / CHAMP CAR (2004-2007)

• 2007: Sebastien Bourdais (Newman/Haas)
• 2006: Sebastien Bourdais (Newman/Haas)
• 2005: Sebastien Bourdais (Newman/Haas)
• 2004: Sebastien Bourdais (Newman/Haas)
• 2003: Paul Tracy (Player’s Forsythe)
• 2002: Cristiana da Matta (Newman/Haas)
• 2001: Gil de Ferran (Penske)
• 2000: Gil de Ferran (Penske)
• 1999: Juan Montoya (Ganassi)
• 1998: Alex Zanardi (Ganassi)
• 1997: Alex Zanardi (Target Ganassi)
• 1996: Jimmy Vasser (Target Ganassi)

CART Sanction (1979-1995)

• 1995: Jacques Villeneuve (Green)
• 1994: Al Unser Jr (Penske)
• 1993: Nigel Mansell (Newman/Haas)
• 1992: Bobby Rahal (Truesports)
• 1991: Michael Andretti (Newman/Haas)
• 1990: Al Unser Jr (Galles-Kraco)
• 1989: Emerson Fittipaldi (Patrick)
• 1988: Danny Sullivan (Penske)
• 1987: Bobby Rahal (Truesports)
• 1986: Bobby Rahal (Truesports)
• 1985: Al Unser (Penske)
• 1984: Mario Andretti (Newman/Haas)
• 1983: Al Unser (Penske)
• 1982: Rick Mears (Penske)
• 1981: Rick Mears (Penske)
• 1980: Johnny Rutherford (Chaparral)
• 1979: Rick Mears (Penske)

CART = Championship Auto Racing Teams

USAC Sanction (1956-1978)

• 1978: Tom Sneva
• 1977: Tom Sneva
• 1976: Gordon Johncock
• 1975: A.J. Foyt
• 1974: Bobby Unser
• 1973: Roger McCluskey
• 1972: Joe Leonard
• 1971: Joe Leonard
• 1970: Al Unser
• 1969: Mario Andretti
• 1968: Bobby Unser
• 1967: A.J. Foyt
• 1966: Mario Andretti
• 1965: Mario Andretti
• 1964: A.J. Foyt
• 1963: A.J. Foyt
• 1962: Rodger Ward
• 1961: A.J. Foyt
• 1960: A.J. Foyt
• 1959: Rodger Ward
• 1958: Tony Bettenhausen
• 1957: Jimmy Bryan
• 1956: Jimmy Bryan

USAC = United States Auto Club

AAA Sanction (1909-1955)

• 1955: Bob Sweikert
• 1954: Jimmy Bryan
• 1953: Sam Hanks
• 1952: Chuck Stevenson
• 1951: Tony Bettenhausen
• 1950: Henry Banks
• 1949: Johnnie Parsons
• 1948: Ted Horn
• 1947: Ted Horn
• 1946: Ted Horn
• 1945: N/A*
• 1944: N/A*
• 1943: N/A*
• 1942: N/A*
• 1941: Rex Mays
• 1940: Rex Mays
• 1939: Wilbur Shaw
• 1938: Floyd Roberts
• 1937: Wilbur Shaw
• 1936: Mauri Rose
• 1935: Kelly Petillo
• 1934: Bill Cummings
• 1933: Louis Meyer
• 1932: Bob Carey
• 1931: Louis Schneider
• 1930: Billy Arnold
• 1929: Louis Meyer
• 1928: Louis Meyer
• 1927: Peter De Paolo
• 1926: Harry Hartz
• 1925: Peter De Paolo
• 1924: Jimmy Murphy
• 1923: Eddie Hearne
• 1922: Jimmy Murphy
• 1921: Tommy Milton
• 1920: Tommy Milton
• 1919: Howdy Wilcox
• 1918: Ralph Mulford
• 1917: Earl Cooper
• 1916: Dario Resta
• 1915: Earl Cooper
• 1914: Ralph DePalma
• 1913: Earl Cooper
• 1912: Ralph DePalma
• 1911: Ralph Mulford
• 1910: Ray Harroun
• 1909: George Robertson

*Racing paused due to WWII

AAA = American Automobile Association