Mepụta ụdị nke ahịrịokwu a nke dị mgbagwoju anya G20 na ndị ibe ya nọchiri nke mbụ Chevrolet Corvair Greenbrier Van nke e mepụtara ruo 1965.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "G20 na ndị ibe ya nọchiri anya Chevrolet Corvair Greenbrier Van mbụ na ngwụsị afọ 60 nke usoro ihe nlereanya ahụ gbanwere ruo mgbe Chevrolet Express nọchiri ya na 1996. "