6. Dodge Aspen R/T
The Dodge Aspen R/T aimed to rekindle the muscle car flame for a new generation, but stricter emissions regulations and a host of quality issues—particularly rust and frequent recalls—held it back. Its performance never matched the legends of the previous decade, and buyers quickly lost interest. Today, the Aspen R/T is rarely seen, often overlooked even by muscle car fans, and lives on mostly as a forgotten footnote. [Source]