High Quality Content by WIKIPEDIA articles! The Chevrolet Opala was a mid-size car sold by General Motors do Brasil from 1969 to 1992. It was derived from the German Opel Rekord and Commodore, but used GM USA sourced engines, two four-cylinder engines: the 151-4 Iron Duke from Pontiac, the Chevrolet 153-4 from Chevy II/Nova and the si...