2020 Mercedes-Benz GLA 1.3 GLA200 AMG Line Executive

Price: £18,997. Fair price: £1,222 (6%) under the AskCar estimate of £20,219, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,487 priced Mercedes-Benz GLA adverts on AskCar as of 7 November 2026.

AskCar lists 2,559 used Mercedes-Benz GLA from 1,304 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLA
  • Trim: AMG Line Executive
  • Version: 1.3 GLA200 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
  • Year: 2020
  • Mileage: 36,845 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.3 litres, 161 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLA AMG Line Executive is advertised with 36,845 miles, approximately 6,700 below the typical mileage for its age. The AskCar estimate for this car is £20,219. It is priced at £18,997, which is £1,222 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,487 Mercedes-Benz GLA cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 84 days, and its asking price has been cut by £1,998. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Stoneacre in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,222 (6%) under the AskCar estimate of £20,219.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,487 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLA with the 1.3 petrol engine is typically advertised at £19,700: the median of the 63 for sale on AskCar, as of 7 November 2026.

Time on sale

The dealer may accept less. This 2020 Mercedes-Benz GLA has been on sale for at least 84 days, and its asking price has been cut by £1,998. About 6 in 10 of 2020 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 181 of the 304 first advertised between 13 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 15 August 2026 at £20,995. Its asking price is now £18,997, £1,998 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

  • 15 August 2026: £20,995
  • 5 September 2026: £20,495
  • 22 September 2026: £20,295
  • 25 September 2026: £19,997
  • 30 September 2026: £19,697
  • 6 October 2026: £19,497
  • 29 October 2026: £18,997

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 27 January 2027.

It has had 3 MOTs. The latest, on 28 January 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 32,748 miles, which matches the advertised 36,845 miles.

Advertised mileage is about 6,700 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.

Similar cars

7 other 2020 Mercedes-Benz GLA AMG Line Executive 1.3 petrol automatic SUVs are for sale at UK dealers, from £16,990 to £24,395, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol SUV, silver. Mileage: 38,392 miles. Price: £19,998, £1,001 more than this car. Dealer: Arnold Clark Mercedes-Benz of Grangemouth in Grangemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-4f86f95b979e
  • 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol SUV, white. Mileage: 33,184 miles. Price: £19,999, £1,002 more than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-a2a96d21c1a7
  • 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol SUV, black. Mileage: 32,700 miles. Price: £24,395, £5,398 more than this car. Dealer: Autozone Essex in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-dd5cfd620ea4

Browse all Mercedes-Benz GLA cars for sale · 2020 Mercedes-Benz GLA price guide

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Photos

28 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.