The Chevrolet Chevelle debuted for the 1964 model year as a mid-size automobile from Chevrolet. It was basically a smaller version of the Impala. It was produced throughout the remainder of the 1960s and 1970s and was one of General Motors’ most successful models. Chevelle models ranged from economical family cars to powerful coupes and convertibles. The Malibu was at first the top trim level of the Chevelle line, and it replaced the Chevelle name entirely after 1977.