Money These 10 vehicles are the hottest 2021 classic cars, according to collector car insurer Hagerty December 7, 2020 Nathan Bomey, USA TODAY Comments Off on These 10 vehicles are the hottest 2021 classic cars, according to collector car insurer Hagerty The Hagerty Bull Market List, a closely watched rundown of the new year's hottest classic cars, includes Jaguar, Toyota and Honda vehicles for 2021.