The Chevrolet Series AD Universal was a series of cars introduced for the 1930 model year. The Series AD Universal, also known as the Universal, was offered in a range of body styles including sedan, truck, coupe, and delivery van. All Universal cars were powered by Chevrolet's 'Stovebolt Six' 3.2L inline six engine. Production of the AD Universal was limited to the 1930 model year, and it was replaced by the Chevrolet Series AE Independence.