2021 Mercedes-Benz GLA 2.0 AMG Line Executive

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: 45,304 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

At 45,304 miles, this 2021 Mercedes-Benz GLA AMG Line Executive has covered about 5,300 more miles than other 2021 Mercedes-Benz GLA cars. The AskCar estimate for this car is £19,377. It is priced at £19,990, which is £613 above that estimate. The AskCar estimate uses UK dealer asking prices, including 2,487 Mercedes-Benz GLA adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 4 days. The government's MOT record matches its advertised mileage. It is for sale at Wilsons of Rathkenny in Mid and East Antrim. 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: £613 (3%) over the AskCar estimate of £19,377.

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 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,300: the median of the 103 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLA advertised 4 days ago. About half of 2021 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 172 of the 361 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £19,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 March 2027.

It has had one MOT, on 24 March 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 27,090 miles, which matches the advertised 45,304 miles.

Advertised mileage is about 5,300 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 £23,800, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 43,345 miles. Price: £19,399, £591 less than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-7793891eba81
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 47,530 miles. Price: £18,341, £1,649 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: 49,144 miles. Price: £19,199, £791 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-40ff4b3a375b

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver, 123 miles from this car. Mileage: 54,427 miles. Price: £18,998, £992 less than this car. Dealer: Arnold Clark Mercedes-Benz of Grangemouth in Grangemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-ca3615dd2f50