10. Pontiac Aztek
9. 2007+ Toyota Tundra
8. 1990-2000 Toyota Previa
7. First generation Chevy Aveo hatchback
6. Ford Scorpio
5. Chevrolet Cheyenne (the later models)
4. 2008 Scion xD
3. 3rd generation Ford Taurus
2. Subaru B9 Tribeca
1. 2008 Subaru Impreza WRX hatchback

There are some cars I think are uglier, Citroen's DS and AMC's Pacer for examples, but their looks give them more character (imo).