Top 10 SUVs That Failed Published on February 23, 2018 in Top 10 by Michel Deslauriers Photo: General Motors of Canada Ltd. 5- Pontiac AztekMore of a crossover than an SUV, the Aztek made its mark by being considered as one of the ugliest vehicles ever put to market. Obviously, consumers weren’t too attracted to it, although those who did purchase one were reportedly extremely satisfied. It was sold from model years 2001 to 2005.