Car rental in Madrid Tres Cantos. Check our car rental prices in Madrid Tres Cantos in order to enjoy the best service with the cheapest prices. Car rental fleet in Madrid Tres Cantos which is frequently renewed, being maximum from 6 to 12 months old, all inclusive prices (unlimited mileage, insurance and tax) and a dedicated customer service are some of the advantages that you will have when you hire a car in Madrid Tres Cantos with us.