1970 Buick GSX Stage 1
1970 Buick GSX Stage 1
Value: $124,000
Original price: $4880

Today's Buick Regal GS harkens back to cars like this. There was less concern for fuel economy when the GSX came out. This GSX was powered by a 455 cubic inch V8 rated at 360 horsepower with a massive 510 foot pounds of torque. No turbocharged four-cylinder here.

They don't make Buicks this way anymore and they probably never will again. Hence, the high price tag on surviving models.

By Peter Valdes-Dapena @PeterDrives - Last updated February 06 2012: 2:40 PM ET
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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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