Top 10 Most Beautiful Cars at the GM Heritage Center Published on December 2, 2016 in Top 10 by Michel Deslauriers Photo: General Motors 1956 GMC Suburban PickupA pickup sold from 1955 to 1957, the Suburban was essentially a GMC version of the Chevrolet Cameo. It featured fiberglass fenders attached to a steel cargo box. Powered by a 180-hp, 5.2-litre V8. About 1000 units of the GMC Suburban pickup were produced from 1955 to 1957.