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: 31,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Blue
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,000 miles, this 2021 Mercedes-Benz GLA AMG Line Executive has covered about 9,000 fewer miles than other 2021 Mercedes-Benz GLA cars. The AskCar estimate for this car is £21,010. It is priced at £19,500, which is £1,510 below that estimate. The AskCar estimate uses UK dealer asking prices, including 2,461 Mercedes-Benz GLA adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 35 days ago. Its asking price has since fallen by £1,600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Reverie Autos, based in Hatfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,510 (7%) under the AskCar estimate of £21,010.

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 2,461 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,500: the median of the 100 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 4 October 2026 at £21,100. Its asking price is now £19,500, £1,600 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 4 October 2026: £21,100
• 25 October 2026: £19,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 3 October 2027.

It has had 3 MOTs. The latest, on 22 September 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 30,474 miles, which matches the advertised 31,000 miles.

Advertised mileage is about 9,000 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

18 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 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver. Mileage: 31,704 miles. Price: £19,550, £50 more than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-934dbb4541ea
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 34,400 miles. Price: £19,488, the same price as this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-32ffc1ff63c7
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 38,774 miles. Price: £19,195, £305 less than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-f922a44cee35

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, black, 8 miles from this car. Mileage: 53,034 miles. Price: £18,100, £1,400 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-34d786ea857a