These are the best auto diagnostic tools on the market right now. We have compiled this list because we understand that it might be quite difficult to choose the correct tool for your vehicle, given that there are so many on the market. The diagnostic tools show in this top 10 list are designed for use with all OBD2 compliant vehicles so if your vehicle is a petrol model from 2001 onwards, they will work on your vehicle. If you have a diesel vehicle from 2004 onwards they will also work. There are some exceptions, so if you feel that these kits will not cover your vehicle just contact us and we'll steer you in the right direction.