When it comes to buying a used car online, there are a few different platforms you can choose from. The most popular option is eBay Motors, which offers a huge selection of both private and trade sellers. Another popular option is Autotrader, which specialises in second-hand cars and has listings from both dealerships and private sellers. Once you've chosen the platform you want to use, it's time to start searching for your perfect car. When you're looking at listings, pay attention to the description and photos to get an idea of the condition of the car. If you're unsure about anything, don't hesitate to ask the seller for more information.