The brown paint job, however, was never mass-produced, making it one of the most ultra-rare Hot Wheels in existence. 5. 1971 Purple Olds 442 eBay ...

It showed up in Spectraflame Purple for the next iteration. But the 2022 22nd Annual Hot Wheels Collectors Nationals variation is probably the rarest, with only 4,000 units ever leaving the factory.

Manufactured in Hong Kong for just one year, the Olds 442 in purple is considered one of the rarest production Hot Wheels cars ever. But there's always something more expensive just around the bend.