How it works

To start tracking the price of a car model, go to either the AutoTrader or PistonHeads website and create your search based on the model of car you want.

Make sure the search results are ordered by the cheapest cars first. This ensures that we can track the cheapest car available on the site.

Here are some tips.

  • You can include as many criteria in the search as you like.
  • Make the search radius as large as possible. The more cars, the better the data.

When you are done, copy the full URL of the search results page into the form below.

Once a day, we will check the site results and record the 10 cheapest cars available. Over time, this builds up a price history of the cheapest car available that match your search.

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