Choosing the best platform to sell your car can depend on a variety of factors including how quickly you want to sell, the amount of effort you’re willing to put in, and how much control you want over the selling price.

1. Online Marketplaces: Websites like Autotrader, eBay Motors, and Craigslist are popular for car sales. They offer a large audience of potential buyers but require you to handle negotiations and finalize the sale yourself.

2. Social Media: Facebook Marketplace has become increasingly popular due to its ease of use and the ability to reach out directly to potential local buyers within your social network.

3. Car Buying Services: If you prefer a hassle-free sale, services like CarMax or Carvana offer quick appraisals and immediate offers, though you might not get as high a price compared to selling directly to a buyer.

4. Dealership Trade-In: Trading in your vehicle at a dealership is convenient if you’re planning on buying a new car from them. However, trade-in offers are usually lower than selling privately.

5. Specialty Websites: For unique or classic cars, platforms like Bring A Trailer or Hemmings can attract enthusiasts who may be willing to pay more for specific models.

6. Auctions: Both online and physical auctions could be an avenue if you’re looking for a fast sale and are open to letting the market determine the price.

Your choice will depend on balancing ease of sale against maximizing profit.