Carfax has effectively marketed itself as a single source of truth for vehicle history. However, Carfax reports may have omissions and errors, especially as veh

Carfax has effectively marketed itself as a single source of truth for vehicle history. However, Carfax reports may have omissions and errors, especially as vehicles age out of the manufacturer's warranty. It's best when used to inform and supplement other forms of research, such as a pre-purchase inspection or review of paper records.