Sales drop sharply in 1971: the overpowered engines are no longer welcomed after the 1970 Clean Air Act, without forgetting the rise of gas prices and of insurance rates.
Chrysler develops two parallel product lines in 1970 on their new E-Body chassis and the huge Hemi engine, the Hemi Cuda in the Plymouth division and the Challenger in the Dodge division. The convertible version of the Hemi Cuda is the ultimate high-end muscle car, extremely rare: 14 cars produced in 1970 and 11 cars in 1971.
An exceptional 1971 Hemi Cuda Convertible 4 Speed retaining its original engine was sold for $ 3.8 million including premium by Mecum on June 14, 2014.
A Hemi Cuda Convertible made in 1970 with an automatic transmission is estimated $ 2.5M for sale by Mecum at Monterey on August 14, lot F69. It had been presented new including a large number of the available options to its bodywork stylist, John Herlitz.