The Porsche 718 Cayman has the lowest five-year depreciation rate, with only 9.6% over five years, or just under $7,000, according to iSeeCars. The study also revealed that there are currently no new cars on the market for less than $20,000. As cars become more expensive, Americans are holding on to them for more than 12 years. The average price of a new car in 2026 is over $49,000 and there is no shortage of vehicles available for purchase.