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Retail Price Index

The Auto Trader Retail Price Index provides an overview of the latest
retail price data from across the
whole UK market.

Published monthly, our RPI provides an overview of the latest pricing data from our marketplace and across the retail market.

Our team of data scientists monitor circa
800,000 vehicles each day, including 116,000 vehicle updates and an average of 39,000 vehicles added or removed from Auto Trader. Coupled with data from circa 450,000 trade car listings every day, as well as additional retailer forecourt data ensuring the Index is always an accurate reflection of the live retail market.

Be sure to check out our news & views section
for even more insight.

As of March 2020, the methodology for the Auto Trader Retail Price Index was adapted based on resegmentation of our data. We have regrouped car segments into more meaningful classifications of the different types of vehicles that consumers buy, from an even greater depth of data than before. As we now have a more detailed dataset, we have restated figures for prior periods to reflect the change in methodology.


The data for electric vehicles (EV) starts from September 2012 as at that point we began to record a sufficient volume of movements in the market to begin accurately analysing and producing year-on-year price movements.


Instead of a single overarching EV category, we have divided it into separate premium and volume categories to reflect the broad range of brands entering the EV market at different times, with differing volumes and contrasting price points, in order to more accurately track market performance.



AFVs: alternatively fuelled vehicles – any vehicle powered by fuels alternative to petrol or diesel, including hybrids and plug-in hybrids.


EV - Premium: fully electric vehicles from the following brands: Abarth, Alfa Romeo, Audi, BMW, DS Automobiles, Jaguar, Land Rover, Lexus, Mercedes-Benz, Mini, Tesla and Volvo.


EV - Volume: fully electric vehicles from the following brands: Citroen, Dacia, Fiat, Ford, Honda, Hyundai, Jeep, Kia, MG, Mazda, Mitsubishi, Nissan, Peugeot, Renault, Seat, Skoda, Smart, Subaru, Suzuki, Toyota, Vauxhall and Volkswagen.


Like-for-like: percentage price changes, after removing the impact of stock mix.


Mix growth: percentage of changes in the mix of stock across the retail market (the types of vehicles entering or leaving the market).


Price: the average advertised retail price of a used car seen by Auto Trader across the whole retail market.

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