The Classic and Historic Automobile Club of Australia (Sydney) Inc. (CHACA) aims are to bring together persons with a common interest to encourage the use, maintenance and preservation of motor vehicles of classic and historic classification without prejudice to make, model, method of manufacture or country of origin. The Club accepts vehicles 30 years of age or older. Vehicles considered of special interest, 10 years of age or older, will also be accepted as determined by the Committee.