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: 50,518 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Silver
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Executive is advertised with 50,518 miles, approximately 10,400 above the typical mileage for its age. Its asking price of £18,999 is £103 below the AskCar estimate of £19,102. 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 42 days. The government's MOT record matches its advertised mileage. It is advertised by Platinum Select in Frome. 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: £103 (under 1%) under the AskCar estimate of £19,102.

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 42 days.

Price history

AskCar first saw this advert on 25 September 2026 at £18,999. 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 6 November 2026: valid until 20 September 2027.

It has had 3 MOTs. The latest, on 21 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,517 miles, which matches the advertised 50,518 miles.

Advertised mileage is about 10,400 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, white. Mileage: 49,144 miles. Price: £19,199, £200 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-40ff4b3a375b
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, black. Mileage: 53,034 miles. Price: £18,100, £899 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-34d786ea857a
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, white. Mileage: 53,439 miles. Price: £18,899, £100 less than this car. Dealer: Lookers Mercedes-Benz of Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-40a2c1c6267f

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey, 33 miles from this car. Mileage: 175,430 miles. Price: £11,494, £7,505 less than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-38bfa7b7d492