1958 USAC Championship Car season

The 1958 USAC Championship Car season consisted of 13 races, beginning in Trenton, New Jersey on March 30 and concluding in Phoenix, Arizona on November 11. There were also five non-championship events. The USAC National Champion was Tony Bettenhausen and the Indianapolis 500 winner was Jimmy Bryan.

Schedule and results
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 * Indianapolis 500 was USAC-sanctioned and counted towards the FIA F1 World Drivers' Championship title.