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

There are 1,223 used automatic Mercedes-Benz GLA under £20,000 for sale from UK dealers on AskCar, as of 31 October 2026. Typical asking price £12,600 (the median: half cost less, half cost more). The cheapest is £2,995. AskCar lists 2,592 used Mercedes-Benz GLA across the UK, from 1,321 dealerships.

The middle half of the 1,223 cars are priced between £10,500 and £15,000.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

358 of the 1,223 cars had their price reduced in the last 14 days to 31 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202194£19,000£18,100 to £19,700
2020117£16,600£14,800 to £18,500
2019253£13,500£12,500 to £14,700
2018205£12,500£11,100 to £13,800
2017189£11,800£10,300 to £13,000
2016144£10,300£9,000 to £12,100
2015134£9,800£8,400 to £11,200
201457£9,300£8,500 to £10,200

Cars for sale now, page 12 of 13

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 2,556 priced Mercedes-Benz GLA adverts on AskCar as of 31 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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Mercedes-Benz GLA by gearbox, fuel and body

Automatic Mercedes-Benz GLA by price

Mercedes-Benz GLA prices by year

Mercedes-Benz GLA by price

Automatic cars and vans under £20,000

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