Site to look up used cars?

I am trying to find a site to look up used cars in my area being ct to look for cars but every time i find one i have to put in the make of car im just want to look at all the cars they have in thier used car lots that is near my zip code. any idea?Site to look up used cars?
vehix.comSite to look up used cars?
Craigslist.org(Private Owners and Sometimes Dealers)Site to look up used cars?
Try the site of a local newspaper.