8: Pontiac LeMans
If there was ever a company that could completely tarnish a classic and well-known automotive nameplate, it’s GM. From 1988 to 1993 the company sold a rebadged Daewoo (via The Truth About Cars) as the LeMans and the car was downright horrible. Consumers noted a complete lack of power in the car as well as lacking most luxuries that were available on other cars from the period.
It didn’t help things out that the LeMans were downright minuscule on American roads. The 0-60 times were abysmally slow, and if you had to merge onto the freeway you’d be better off riding a bike. There are a few of these cars that have managed to survive although most car enthusiasts have forgotten them.