Used automatic Mercedes-Benz A Class for sale under £20,000

There are 3,778 used automatic Mercedes-Benz A Class under £20,000 for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £14,000 (the median: half cost less, half cost more). The cheapest is £995. AskCar lists 6,795 used Mercedes-Benz A Class across the UK, from 2,669 dealerships.

The middle half of the 3,778 cars are priced between £10,800 and £16,700.

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.

1,306 of the 3,778 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
202431£19,600£19,300 to £20,000
2023172£19,000£17,600 to £19,600
2022358£18,000£16,600 to £19,000
2021435£16,700£15,400 to £18,000
2020471£15,500£14,000 to £17,000
2019758£14,000£12,500 to £15,600
2018493£12,300£10,900 to £13,900
2017294£10,200£9,000 to £11,900
2016256£9,800£8,600 to £11,500
2015167£9,000£7,800 to £11,300
2014134£7,900£7,000 to £9,500
2013105£8,000£7,000 to £9,900

Cars for sale now, page 1 of 38

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 6,619 priced Mercedes-Benz A Class 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.

Mercedes-Benz A Class by gearbox, fuel and body

Automatic Mercedes-Benz A Class by price

Mercedes-Benz A Class prices by year

Mercedes-Benz A Class by price

Mercedes-Benz A Class near you

Automatic cars and vans under £20,000

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