Argentine Automobile Club building, Rationalist architecture headquarters in Palermo, Buenos Aires, Argentina.

The Argentine Automobile Club building is the national headquarters of the ACA, designed in the Rationalist style by architect Antonio U. Vilar with Alejandro Bustillo and completed in 1942. It stands on Avenida del Libertador in Palermo and houses an automobile museum alongside the club's offices.

The building was completed in 1942 under architect Antonio U. Vilar and Alejandro Bustillo, marking a major moment in Argentine architectural design. Its completion coincided with a period when modernist styles were gaining influence across Buenos Aires.

The building houses an automobile museum with vehicles from the late 19th century, including the first car ever registered in Argentina. The collection reflects how the automobile shaped the country's technological development.

The building is centrally located and easily reached, with parking and nearby public transportation access. Visitors should check in advance what areas are accessible and whether guided tours are available.

The building's automobile museum holds a 1898 Krieger electric vehicle and a Ferrari 166 that Juan Manuel Fangio drove in 1949, tracing early electric mobility and Argentine racing.