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: 47,530 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 47,530 miles, this 2021 Mercedes-Benz GLA AMG Line Executive has covered about 7,400 more miles than other 2021 Mercedes-Benz GLA cars. Its asking price of £18,341 is £1,044 below the AskCar estimate of £19,384. The AskCar estimate uses UK dealer asking prices, including 2,516 Mercedes-Benz GLA adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 34 days ago, the asking price has dropped by £1,598. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Cargem in Rainham. 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: £1,044 (5%) under the AskCar estimate of £19,384.

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 34 days.

Price history

AskCar first saw this advert on 3 October 2026 at £19,939. Its asking price is now £18,341, £1,598 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 3 October 2026: £19,939
• 4 October 2026: £18,962
• 13 October 2026: £18,670
• 20 October 2026: £18,479
• 5 November 2026: £18,341

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 9 December 2026.

It has had 5 MOTs. The latest, on 10 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 41,817 miles, which matches the advertised 47,530 miles.

Advertised mileage is about 7,400 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, £858 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, white. Mileage: 45,304 miles. Price: £19,990, £1,649 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, silver. Mileage: 50,518 miles. Price: £18,999, £658 more than this car. Dealer: Platinum Select in Frome. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-50253fa05fbe

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey, 3 miles from this car. Mileage: 34,400 miles. Price: £19,488, £1,147 more than this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-32ffc1ff63c7