Used automatic SEAT Leon for sale under £20,000

There are 593 used automatic SEAT Leon under £20,000 for sale from UK dealers on AskCar, as of 2 November 2026. Typical asking price £13,000 (the median: half cost less, half cost more). The cheapest is £2,495. AskCar lists 2,123 used SEAT Leon across the UK, from 1,289 dealerships.

The middle half of the 593 cars are priced between £9,800 and £15,900.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

187 of the 593 cars had their price reduced in the last 14 days to 2 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202425£18,300£16,700 to £19,400
202174£13,900£12,500 to £15,500
202099£14,400£12,700 to £16,000
2019154£14,300£12,000 to £16,900
201870£10,700£9,000 to £12,800
201746£9,300£8,000 to £11,300
201625£9,000£7,000 to £10,800
201523£7,000£6,000 to £7,600
201423£6,000£4,300 to £7,400

Cars for sale now, page 1 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 2,054 priced SEAT Leon adverts on AskCar as of 2 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.

SEAT Leon by gearbox, fuel and body

Automatic SEAT Leon by price

SEAT Leon prices by year

SEAT Leon by price

SEAT Leon near you

Automatic cars and vans under £20,000

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