The following is an overview of the events of 1948 in motorsport including the major racing events, motorsport venues that were opened and closed during a year, championships and non-championship events that were established and disestablished in a year, and births and deaths of racing drivers and other motorsport people.

Annual events The calendar includes only annual major non-championship events or annual events that had own significance separate from the championship. For the dates of the championship events see related season articles. DateEventRef 4 April32nd Targa Florio 1–2 May15th Mille Miglia 16 May10th Monaco Grand Prix 31 May32nd Indianapolis 500 9–13 June30th Isle of Man TT 10–11 July13th 24 Hours of Spa

Births DateMonthNameNationalityOccupationNoteRef4MayHurley HaywoodAmericanRacing driver24 Hours of Le Mans winner (, , ).1JuneTom SnevaAmericanRacing driverIndianapolis 500 winner (1983).20NovemberGunnar NilssonSwedishRacing driver1977 Belgian Grand Prix winner.6DecemberKeke RosbergFinnishRacing driverFormula One World Champion ().

Deaths DateMonthNameAgeNationalityOccupationNoteRef27JulyWoolf Barnato52BritishRacing driver24 Hours of Le Mans winner (-).

See also List of 1948 motorsport champions

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