There will only ever be one original muscle car, and the GTO is it. For 1966, the car received a styling update that ushered in the “Coke bottle” shape. That year was also the last to offer not only the 389 V-8 but the factory-optional “Tri-Power” carburetor setup. Although prices have been flat, they are starting to heat up, and now might be the time to buy.
Check out the full 2022 Hagerty Bull Market List

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