American cars, especially classic muscle cars, continue to be hot items at Barrett-Jackson's and RM Auctions' annual Arizona events.
1971 Hemi 'Cuda convertible
1971 Hemi 'Cuda convertible
Sold for: $2.5 million

Description: Only 11 Hemi 'Cuda convertibles were made for the 1971 model year. Very few survive today. Their rarity, combined with the fact that they are Hemi muscle cars and convertibles, makes them the most valuable of all muscle cars.

This particular example, sold at RM Auctions' Phoenix event, does not have its original engine. It is the correct type of engine. It was even manufactured at roughly the same time as the original. But, largely because it was not the very unit that had been installed in the factory, this car sold for $2.5 million rather than the $4 million or more it might have been worth otherwise.

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