1948 AAA Championship Car season

The 1948 AAA Championship Car season consisted of 12 races, beginning in Arlington, Texas on April 25 and concluding in Du Quoin, Illinois on October 10. The AAA National Champion was Ted Horn, and the Indianapolis 500 winner was Mauri Rose. Ralph Hepburn death at Indianapolis in practice. Ted Horn death at the last race in DuQuoin.

Schedule and results
{{legend|#FFFFFF|Paved/Dirt Oval|border=solid 1px #AAAAAA}} {{legend|#D0E7FF|Road Course/Hill Climb|border=solid 1px #AAAAAA}}


 * Both Bettenhausen and Fohr were credited with wins for the race as Bettenhausen relieved Fohr on Lap 118 of 200.
 * No pole is awarded for the Pikes Peak Hill Climb, in this schedule on the pole is the driver who started first. No lap led was awarded for the Pikes Peak Hill Climb, however, a lap was awarded to the drivers that completed the climb.

Leading National Championship standings
† Horn was killed in an accident in the final race of the season at DuQuoin.