DAC may refer to:
DAC (vehicle manufacturer)
DAC, short for Diesel Auto Camion, is a Romanian truck brand produced since the 1970s in the Braşov area. Since 1990, DAC has been the special trucks division of Roman trucks.
DAC was established after World War II on the foundation of the old ROMLOC automotive factory built in 1921. In the spirit of the communist days, the industrial plant was named Steagul Rosu (the Red Flag). As of 2000 almost 750,000 trucks had been produced.
DAC trucks share the same construction platforms with the Roman trucks but it was not part of the 1971 venture between the then-West German company MAN and the Romanian government.
The D.A.C. was an automobile manufactured in Detroit, Michigan by the Detroit Air-Cooled Car Company from 1922-23. The car debuted at the Detroit Automobile Show in early 1922, with the company planning on producing 10,000 cars a year. Production never reached these figures. Approximately 25 cars were built in the Detroit factory on Cass Avenue. A new factory was built in 1923, at Wayne, Michigan, where 100 cars were built before the company failed. Both open and closed models were produced. Prices ranged from $1250 for the tourer, to $1700 for the coupe and $1750 for the sedan.