CarGurus is an online automotive marketplace that helps users buy and sell cars. Founded in 2006, it provides a platform where consumers can research vehicles, compare prices, and read reviews. The site features listings from both dealerships and private sellers, making it easier for buyers to find the right car for their needs. In addition to car listings, CarGurus offers tools like price analysis and vehicle history reports. These resources help users make informed decisions by showing how a car's price compares to similar models in the market. Overall, CarGurus aims to simplify the car buying and selling process.