Straight-eight smoothness. This 1950 BuickUSA Super convertible is powered by its original 263ci straight-eight engine paired with a factory Dynaflow automatic transmission. Secure your spot at the Columbus Auction, June 25-27 at the Ohio Expo Center & State Fairgrounds. Learn more with the link in bio. ... #BarrettJackson #BJAC #BarrettJacksonColumbus #ColumbusAuction #ClassicCars #CollectorCars #NoReserve #BJACColumbus #Columbus #Ohio #OH26 #Buick #convertible ohioexpocenter