If you had the VIN you could search for where it's registered pretty quickly. You may not have it handy but here are a couple ideas. - Are you still with the same car insurance? They usually keep a record of all cars that you've ever insured. - Check with the mechanic that you brought it too last. They almost always put the VIN on their records. They might be able to give you an old copy - Do you have an old pic of the plate number? If so DMV will usually be able to look up the VIN associated with that plate