Used Audi S3 for sale under £20,000

There are 489 used Audi S3 under £20,000 for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £15,800 (the median: half cost less, half cost more). The cheapest is £2,490. AskCar lists 1,036 used Audi S3 across the UK, from 640 dealerships.

The middle half of the 489 cars are priced between £13,000 and £18,000.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

121 of the 489 cars had their price reduced in the last 14 days to 6 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
201947£18,800£17,600 to £19,500
201851£17,500£16,500 to £18,500
2017103£17,000£15,900 to £18,500
201696£15,500£13,500 to £16,800
201577£14,500£12,500 to £16,300
201462£13,200£11,900 to £14,900

Cars for sale now, page 1 of 5

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 1,011 priced Audi S3 adverts on AskCar as of 6 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.

Audi S3 by gearbox, fuel and body

Audi S3 under £20,000 by gearbox, fuel and body

Audi S3 prices by year

Audi S3 by price

Audi S3 near you

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