2021 Mercedes-Benz GLA 2.0 AMG Line Executive

Price: £18,998. Fair price: £311 (1%) over the AskCar estimate of £18,687, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,461 priced Mercedes-Benz GLA adverts on AskCar as of 8 November 2026.

AskCar lists 2,535 used Mercedes-Benz GLA from 1,304 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLA
  • Trim: AMG Line Executive
  • Version: 2.0 AMG Line Executive DCT Euro 6 5dr 8G
  • Year: 2021
  • Mileage: 62,643 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic (DCT)
  • Colour: Black
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Executive has covered 62,643 miles, around 22,600 more miles than is typical for its age. Its asking price of £18,998 is £311 above the AskCar estimate of £18,687. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 162 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £311 (1%) over the AskCar estimate of £18,687.

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 2,461 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,500: the median of the 100 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 30 May 2026 at £20,498. Its asking price is now £18,998, £1,500 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 30 May 2026: £20,498
  • 1 October 2026: £19,998
  • 6 October 2026: £19,498
  • 8 October 2026: £18,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 18 May 2027.

It failed its MOT on 14 May 2026 (engine MIL inoperative or indicates a malfunction; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside rear outer tyre has a bulge, caused by separation or partial failure of its structure has had puncture repair in shoulder of tread) and passed 5 days later, on 19 May 2026.

There were no advisories at the latest test.

Mileage at that test: 62,648 miles, which matches the advertised 62,643 miles.

Advertised mileage is about 22,600 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

5 other 2021 Mercedes-Benz GLA AMG Line Executive 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £18,998 to £20,998, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel hatchback, black. Mileage: 67,443 miles. Price: £18,998, the same price as this car. Dealer: Arnold Clark Mercedes-Benz & smart of Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-68f2fcd6a671
  • 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel hatchback, red. Mileage: 56,460 miles. Price: £20,898, £1,900 more than this car. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-316a0a3c1ab2
  • 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel hatchback, white. Mileage: 51,028 miles. Price: £19,199, £201 more than this car. Dealer: Stratstone Mercedes-Benz Of Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-2e7fe6045d30

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

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Photos

20 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 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.