Value today: $8,000
Price when new: $3,300
Yes, the AMC Pacer. After the Yugo, it's probably the biggest laughingstock on wheels ever created. But that makes it something special and collectors are beginning to seek out the few remaining examples in good condition.
Still, the Pacer's the only car in this list that's not worth as much or more, in inflation-adjusted dollars, than its original sticker price. But Pacer values are on the rise and, besides, it's probably already worth more than you would have guessed.
NEXT: 1958 Packard Hawk