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: 55,543 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 has covered 55,543 miles, around 15,500 more miles than is typical for its age. The dealer is asking £17,699, which is £936 below the AskCar estimate of £18,635. To work out the AskCar estimate, we analyse UK dealer adverts for 2,487 Mercedes-Benz GLA cars across different ages and specifications. We have tracked this advert for 3 days. Its advertised mileage matches the government's MOT record. You can find this car at Prestige Car Supermarket in York. 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: £936 (5%) under the AskCar estimate of £18,635.

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 3 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 4 November 2026 at £17,699. 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 3 November 2027.

It failed its MOT on 15 October 2026 (offside headlamp aim too low; horn not working) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 55,370 miles, which matches the advertised 55,543 miles.

Advertised mileage is about 15,500 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, silver. Mileage: 54,427 miles. Price: £18,998, £1,299 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, white. Mileage: 56,686 miles. Price: £17,699, the same price as this car. Dealer: EMG Motor Group Haverhill in Haverhill. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-2d4ee8786d39
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, white. Mileage: 53,439 miles. Price: £18,799, £1,100 more 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, blue, 30 miles from this car. Mileage: 40,000 miles. Price: £19,495, £1,796 more than this car. Dealer: Riviera Automotive in Cleckheaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-9ab0de51da35