13: Chevrolet Blazer
The Blazer went from being a top competitor in the SUV market to something questionable at best. The Blazer was designed to appeal to a mainstream audience and compete with the Ford Explorer. But unlike the Explorer, the Blazer didn’t have a V8 engine or the same versatility (via Motor Trend).
In later years the Blazer was gifted some modern luxury options such as OnStar and a refresh in 1998, but that wasn’t enough to keep it viable. Chevy replaced the Blazer with the TrailBlazer SUV and most consumers have moved on from the ancient model.