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

There are 2,389 used petrol Mercedes-Benz A Class under £20,000 for sale from UK dealers on AskCar, as of 1 November 2026. Typical asking price £14,500 (the median: half cost less, half cost more). The cheapest is £990. AskCar lists 6,723 used Mercedes-Benz A Class across the UK, from 2,598 dealerships.

The middle half of the 2,389 cars are priced between £11,500 and £17,000.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

813 of the 2,389 cars had their price reduced in the last 14 days to 1 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
2023158£19,300£17,700 to £19,800
2022221£18,500£17,400 to £19,200
2021204£16,900£15,500 to £18,200
2020345£15,200£14,000 to £16,500
2019518£14,100£12,700 to £16,000
2018312£12,700£11,000 to £14,500
2017130£10,300£9,000 to £12,400
2016122£10,000£9,000 to £12,200
201592£10,900£8,000 to £15,000
201468£8,400£7,000 to £11,600
201392£8,100£7,000 to £10,000

Cars for sale now, page 20 of 24

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 6,536 priced Mercedes-Benz A Class adverts on AskCar as of 1 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

Petrol 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

Petrol cars under £20,000

More Mercedes-Benz

Same budget

Everything