2021 Mercedes-Benz GLA 2.0 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line
• Version: 2.0 AMG Line DCT Euro 6 5dr 8G
• Year: 2021
• Mileage: 21,766 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Silver
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line has covered 21,766 miles, around 18,200 fewer miles than is typical for its age. Its asking price of £24,495 is £2,620 above the AskCar estimate of £21,875. To work out the AskCar estimate, we analyse UK dealer adverts for 2,487 Mercedes-Benz GLA cars across different ages and specifications. It first appeared in our advert records 15 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sandown Group Mercedes-Benz of Poole, based in Poole. 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

Above the going rate: £2,620 (11%) over the AskCar estimate of £21,875.

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

This 2021 Mercedes-Benz GLA has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 23 October 2026 at £24,495. 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 18 August 2027.

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

There were no advisories at the latest test.

Mileage at that test: 20,451 miles, which matches the advertised 21,766 miles.

Advertised mileage is about 18,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

4 other 2021 Mercedes-Benz GLA AMG Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £17,995 to £21,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel hatchback, black. Mileage: 24,733 miles. Price: £20,498, £3,997 less than this car. Dealer: Arnold Clark Kilmarnock Peugeot Jeep Leapmotor in Kilmarnock. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-9b6ef5b6e34d
• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel hatchback, grey. Mileage: 25,299 miles. Price: £21,498, £2,997 less than this car. Dealer: Arnold Clark Ayr Kia in Prestwick. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-5a98adb6087c
• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel hatchback, black. Mileage: 49,207 miles. Price: £19,000, £5,495 less than this car. Dealer: JCT600 Approved Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-a942f4a4fcdb

• The nearest: 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel hatchback, silver, 116 miles from this car. Mileage: 57,800 miles. Price: £17,995, £6,500 less than this car. Dealer: jjmotors in Llanelli. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-8dc60269124e