18. Cadillac ELR

The Cadillac ELR promised luxury and electrification, but its steep price tag and limited electric range kept most buyers at bay. Shoppers looking for a premium plug-in found better performance and value elsewhere, leaving the ELR overshadowed by rivals. Despite its stylish looks, the coupe’s shortcomings led to sluggish sales and an early end to production, marking it as a rare sight on American roads. Source: Cadillac ELR Ended