10 Ultra-Rare Muscle Cars You’Ll Never See In Person!

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In this video, we rank 10 of the rarest production muscle cars ever built — machines so limited that some had fewer than 20 units produced.

From the 1969 Ford Mustang Boss 429 to the legendary 1970 Plymouth Hemi ’Cuda Convertible, these aren’t just classic muscle cars… they’re collector holy grails. Many were built strictly to dominate NASCAR or the drag strip, while others became rare due to low demand, high prices, or canceled production programs.