craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
DealerRater - Dealer Rate is a versatile car dealing platform that is specifically designed to help dealers sell cars more efficiently and fast.
Gumtree - Gumtree is the first site for free classifieds ads in the UK. Buy and sell items, cars, properties, and find or offer jobs in your area.
Edmunds - Edmud is an online platform for buying and selling used cars.
Oodle - Oodle is a web-based market of the millions of advertisement and classifieds.
Drivester - Drivester is the best way to sell your used car online.