Used automatic SEAT Leon for sale under £20,000

There are 587 used automatic SEAT Leon under £20,000 for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £13,000 (the median: half cost less, half cost more). The cheapest is £2,495. AskCar lists 2,108 used SEAT Leon across the UK, from 1,277 dealerships.

The middle half of the 587 cars are priced between £10,000 and £15,900.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

181 of the 587 cars had their price reduced in the last 14 days to 9 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202426£18,000£17,000 to £19,400
202176£13,900£12,700 to £15,500
2020106£14,100£12,500 to £16,000
2019145£14,400£11,900 to £17,000
201870£11,000£9,500 to £13,100
201741£9,300£8,000 to £11,500
201623£9,000£7,000 to £10,400
201526£7,000£6,200 to £8,000
201424£6,000£5,000 to £7,300

Cars for sale now, page 3 of 6

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 2,053 priced SEAT Leon adverts on AskCar as of 9 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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