Chevrolet HHR SS
The Chevrolet HHR SS finds itself among the worst muscle cars due to a struggle to deliver the high-performance experience expected from an SS (Super Sport) model. Introduced in the mid-2000s, the HHR SS featured a modest powertrain and uninspiring design, failing to capture the excitement associated with true muscle cars. Its lackluster performance marked it as a disappointment in the eyes of enthusiasts, relegating the HHR SS to a forgettable chapter in Chevrolet’s performance history.