1. Pontiac Fiero
The Pontiac Fiero, introduced in 1984, was General Motors’ first mid-engine production car, showcasing innovative design and engineering. (motortrend.com) However, early models suffered from engine reliability issues, including defective connecting rods that led to engine fires. (washingtonpost.com) Despite improvements in later versions, the Fiero’s reputation was tarnished, and production ceased in 1988 before it could fully realize its potential. Today, it stands as a bold concept that arrived too early. (hagerty.com)