DefineCar.com is an online non-profit resource for automotive information. It uses Google Ads to cover the website expenses. DefineCar is an ongoing project that is based on Engines than Vehicles. Retrieved car information will include all related engines to the vehicle since the car was found—excluding pre-1940s—other vehicles using the same engines, engine information and years of availability. A social factor is also available where users can register and create their own profiles and garages and contact each others.