The term 'OLD CHEVY MINIVAN' can be summarized by the crossword solution 'LUMINA, ' which is a six-letter word. The Lumina was a minivan produced by Chevrolet from 1989 to 2001. It was the successor to the popular Chevy Celebrity and was the first minivan to be offered by the brand. The Lumina was available in both short and long wheelbase versions, and was offered with a variety of engine options.