The average sold price of a used petrol car fell to its lowest level of 2026 in August, according to MarketCheck.
This news follows a period of stability over the summer. The average sold price stood at £15,234 in August 2026, down from £15,541 in July.
Alastair Campbell, MarketCheck UK, said: “Used petrol prices had been remarkably stable heading into the summer, particularly between May and July, when there was very little movement in the average sold price.
“August has broken that pattern. A fall of more than £300 in a month is significant when you consider how flat prices had been immediately beforehand.
“We’re now seeing the average used petrol car selling for around £700 less than it was at the beginning of the year, so there is a clear downward trend across 2026 despite periods of stability along the way.
“With such volatile petrol prices, MarketCheck will continue to analyse the developing market.”
Prices had previously shown signs of levelling out. The average used petrol car sold for £15,493 in May, £15,477 in June and £15,541 in July.
The average sold price has fallen from £15,950 in January to £15,234 in August, a reduction of around £716, or 4.5%.
