The Chevrolet Cosworth Vega is a subcompact four-passenger automobile produced by Chevrolet for the 1975 and 1976 model years. It is a limited-production version of the Chevrolet Vega, with higher performance. Chevrolet developed the car's all-aluminum inline-four 122 cu in (1,999 cc) engine, and British company Cosworth Engineering designed the DOHC cylinder head. 5,000 engines were built. 3,508 cars were made. They were priced nearly double that of a base Vega and only $900 below the 1975 Chevrolet Corvette.