2021 Mercedes-Benz GLA 2.0 AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Premium Plus
• Version: 2.0 AMG Line Premium Plus DCT Euro 6 5dr 8G
• Year: 2021
• Mileage: 38,490 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Black
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Premium Plus has covered 38,490 miles. The AskCar estimate for this car is £22,821. It is priced at £23,190, which is £369 above that estimate. The AskCar estimate draws on 2,487 Mercedes-Benz GLA adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 35 days ago, the asking price has dropped by £609. Its advertised mileage matches the government's MOT record. It is for sale at Stratstone Mercedes-Benz of Lakeside in West Thurrock. 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: £369 (1%) over the AskCar estimate of £22,821.

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 35 days.

Price history

AskCar first saw this advert on 3 October 2026 at £23,799. Its asking price is now £23,190, £609 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 3 October 2026: £23,799
• 10 October 2026: £23,590
• 22 October 2026: £23,290
• 3 November 2026: £23,190

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 March 2027.

It has had 3 MOTs. The latest, on 25 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,158 miles, which matches the advertised 38,490 miles.

Advertised mileage is about 1,500 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

8 other 2021 Mercedes-Benz GLA AMG Line Premium Plus 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £21,495 to £26,295, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, white. Mileage: 37,440 miles. Price: £22,999, £191 less than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-e4ad23126ff2
• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, grey. Mileage: 42,000 miles. Price: £23,750, £560 more than this car. Dealer: JCT600 Volkswagen York in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-469a2c9f8f33
• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, blue. Mileage: 34,000 miles. Price: £23,889, £699 more than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-060640d930b4

• The nearest: 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, black, under a mile from this car. Mileage: 20,000 miles. Price: £24,490, £1,300 more than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-05e2cd759e1d