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

There are 815 used petrol Mercedes-Benz CLA under £20,000 for sale from UK dealers on AskCar, as of 29 October 2026. Typical asking price £16,000 (the median: half cost less, half cost more). The cheapest is £640. AskCar lists 3,246 used Mercedes-Benz CLA across the UK, from 1,340 dealerships.

The middle half of the 815 cars are priced between £12,000 and £18,300.

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

276 of the 815 cars had their price reduced in the last 14 days to 29 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202325£19,400£18,300 to £19,700
2022106£18,900£17,500 to £19,600
202197£18,300£17,200 to £19,100
202093£17,200£16,000 to £18,400
2019208£16,000£13,300 to £17,600
2018102£12,000£10,500 to £14,000
201766£11,400£9,300 to £13,900
201631£11,000£10,000 to £13,300
201549£11,000£9,000 to £13,000

Cars for sale now, page 3 of 9

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 3,172 priced Mercedes-Benz CLA adverts on AskCar as of 29 October 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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