Dull on the outside and spartan on the inside, this 1966 Plymouth Belvedere is the perfect sleeper thanks to a Hemi swap.

Born as a 1957 Savoy, this stock-appearing 1958 Plymouth Belvedere packs a Dodge Challenger Demon 170 engine under the hood.

The Plymouth Prowler was an oddity of the early 2000s. Were crash standards the reason for its short production run?

From sporty sedans to luxury pickups, this list covers why these promising cars flopped despite their potential.