2021 Mercedes-Benz GLA 2.0 GLA200d AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Executive
• Version: 2.0 GLA200d AMG Line Executive DCT Euro 6 (s/s) 5dr 8G (148 bhp)
• Year: 2021
• Mileage: 45,819 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Black
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Executive has covered 45,819 miles, around 5,700 more miles than is typical for its age. Its asking price of £18,990 is £393 below the AskCar estimate of £19,383. The AskCar estimate uses UK dealer asking prices, including 2,473 Mercedes-Benz GLA adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. You can find this car at HCL Prestige Car Supermarket in Ashford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £393 (2%) under the AskCar estimate of £19,383.

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 2,473 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 11 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,300: the median of the 101 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLA advertised today. About half of 2021 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 176 of the 369 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £18,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 5,700 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 11 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, white. Mileage: 45,304 miles. Price: £19,990, £1,000 more than this car. Dealer: Wilsons of Rathkenny in Ballymena. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-89e5c9afc070
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 47,530 miles. Price: £18,341, £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, grey. Mileage: 43,345 miles. Price: £18,999, the same price as this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-7793891eba81

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, black, 19 miles from this car. Mileage: 53,034 miles. Price: £17,850, £1,140 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-34d786ea857a