1987 Buick GNX
1987 Buick GNX
Value: $79,000
Original price: $29,290

Over 20,000 of the all-black turbo-V6 powered Buick Grand Nationals were sold. But only 547 GNXs had the bigger turbocharger and other performance options that boosted the sticker price by $10,000. It was considered the fastest production car of the '80s and, until the Buick Regal GS, the last real Buick performance car.


By Peter Valdes-Dapena @PeterDrives - Last updated February 06 2012: 2:40 PM ET
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Someday, you'll wish you owned these cars

Hagerty Insurance says these 10 relatively affordable cars will likely become collectibles and will sell for big bucks at car auctions decades from now.

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