13. Chevrolet Volt
The Chevrolet Volt arrived as an innovative plug-in hybrid, aiming to bridge the gap between gas and electric vehicles. However, it faced lukewarm market enthusiasm as buyers gravitated toward fully electric options or stuck with traditional engines. Despite its forward-thinking design, the Volt’s sales lagged, leading to its eventual discontinuation—a case of a car perhaps too ahead of its time. Source: Chevy Volt Discontinued