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: 53,034 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• 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 53,034 miles, around 12,900 more miles than is typical for its age. The AskCar estimate for this car is £18,868. It is priced at £18,100, which is £768 below that estimate. The AskCar estimate uses 2,516 UK dealer adverts for the Mercedes-Benz GLA, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 9 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Car Planet Barnet in New Southgate. 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: £768 (4%) under the AskCar estimate of £18,868.

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 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £18,100. 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 7 February 2027.

It has had 3 MOTs. The latest, on 20 January 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 45,489 miles, which matches the advertised 53,034 miles.

Advertised mileage is about 12,900 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: 53,439 miles. Price: £18,899, £799 more than this car. Dealer: Lookers Mercedes-Benz of Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-40a2c1c6267f
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver. Mileage: 54,427 miles. Price: £18,998, £898 more than this car. Dealer: Arnold Clark Mercedes-Benz of Grangemouth in Grangemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-ca3615dd2f50
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver. Mileage: 55,543 miles. Price: £17,699, £401 less than this car. Dealer: Prestige Car Supermarket in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-0aa257f6759d

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, blue, 8 miles from this car. Mileage: 31,000 miles. Price: £19,500, £1,400 more than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-33ed505eb895