Used automatic SEAT Leon for sale under £20,000

There are 612 used automatic SEAT Leon under £20,000 for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £13,000 (the median: half cost less, half cost more). The cheapest is £2,495. AskCar lists 2,172 used SEAT Leon across the UK, from 1,307 dealerships.

The middle half of the 612 cars are priced between £10,000 and £15,800.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

188 of the 612 cars had their price reduced in the last 14 days to 7 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202426£18,100£17,000 to £19,400
202182£13,800£12,400 to £15,500
2020108£14,200£12,600 to £16,000
2019150£14,300£11,900 to £17,000
201871£11,000£9,700 to £13,100
201744£9,300£8,000 to £11,400
201623£9,000£7,000 to £10,400
201526£7,000£6,200 to £8,000
201426£6,000£5,000 to £7,200

Cars for sale now, page 3 of 7

Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 2,097 priced SEAT Leon adverts on AskCar as of 7 November 2026.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page.

Cheaper cars like each one, with its price history, are on its AskCar page.

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