2021 Mercedes-Benz GLA 2.0 AMG Line Executive

Price: £19,199. Fair price: £160 (under 1%) over the AskCar estimate of £19,039, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,516 priced Mercedes-Benz GLA adverts on AskCar as of 6 November 2026.

AskCar lists 2,563 used Mercedes-Benz GLA from 1,308 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLA
  • Trim: AMG Line Executive
  • Version: 2.0 AMG Line Executive DCT Euro 6 (s/s) 5dr 8G
  • Year: 2021
  • Mileage: 49,144 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic (DCT)
  • Colour: White
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Executive is advertised with 49,144 miles, approximately 9,000 above the typical mileage for its age. The dealer is asking £19,199, which is £160 above the AskCar estimate of £19,039. To work out the AskCar estimate, we analyse UK dealer adverts for 2,516 Mercedes-Benz GLA cars across different ages and specifications. We have tracked this advert for 9 days. The government's MOT record matches its advertised mileage. It is advertised by cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £160 (under 1%) over the AskCar estimate of £19,039.

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 2,516 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 6 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,300: the median of the 104 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £18,999. Its asking price is now £19,199, £200 more.

Price changes recorded:

  • 28 October 2026: £18,999
  • 31 October 2026: £19,199

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 18 October 2027.

It has had 4 MOTs. The latest, on 19 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,143 miles, which matches the advertised 49,144 miles.

Advertised mileage is about 9,000 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

20 other 2021 Mercedes-Benz GLA AMG Line Executive 2.0 diesel automatic SUVs are for sale at UK dealers, from £11,494 to £24,000, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver. Mileage: 50,518 miles. Price: £18,999, £200 less than this car. Dealer: Platinum Select in Frome. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-50253fa05fbe
  • 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 47,530 miles. Price: £18,341, £858 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-3e7a46eada4b
  • 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, white. Mileage: 45,304 miles. Price: £19,990, £791 more than this car. Dealer: Wilsons of Rathkenny in Ballymena. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-89e5c9afc070
  • The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, blue, 49 miles from this car. Mileage: 60,178 miles. Price: £18,250, £949 less than this car. Dealer: Chris W Roads in Ripley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-36f7d7e999a0

Browse all Mercedes-Benz GLA cars for sale · 2021 Mercedes-Benz GLA price guide

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Photos

30 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.