As production nears for the 2023 Corvette Z06 and two full model years of production under its belt, prices of used C8 Corvette Stingrays are on the decline. Market research from iSeeCars tells us that the used C8 Corvette market may be cooling although not by much. Buying a used C8 Corvette could still cost you more than a new one. In addition, determining whether this decline is temporary or not remains a challenge however the most recent study reveals a steady and consistent decline in prices over a short period of time. Image Via GM. The research from iSeeCars analyzed asking prices for bo…