Google,,, popularmechanics.com 10 Undervalued Retro Cars Suddenly Skyrocket ing in Value .I took doggy to the vet this morning for a checkup, on the way the re I saw a Chevy S 10 for sale. Older model S 10, I wonder if it will ever be worth anything? It had a bright green paint job, probaly covering a ton of Bondo.