1. Pontiac Aztek

The Pontiac Aztek was supposed to be a bold step into the future of SUV design. Instead, its boxy shape and mismatched angles left drivers scratching their heads.
What GM hoped would be a trendsetting vehicle quickly became a pop culture punchline, regularly topping lists of the world’s ugliest cars.
Despite its practical features, the Aztek’s appearance overshadowed everything else, making it a cautionary tale for automakers eager to stand out. Source: MotorTrend