20. Maserati Biturbo
The Maserati Biturbo, introduced in 1981, was among the first production cars to feature twin-turbocharged engines, setting a precedent for future performance sedans. (classicandsportscar.com) Despite its innovative approach, the Biturbo faced significant reliability issues, including engine overheating, electrical failures, and rust problems, leading to a reputation for poor build quality. (autozine.org) For a comprehensive overview of the Biturbo’s history and impact, refer to Classic & Sports Car magazine’s feature. (classicandsportscar.com)