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: 34,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Blue
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Premium Plus is advertised with 34,000 miles, approximately 6,000 below the typical mileage for its age. The dealer is asking £23,889, which is £552 above the AskCar estimate of £23,337. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. Since we first spotted the advert 12 days ago, the asking price has dropped by £101. The recorded MOT expired on 1 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Mercedes-Benz of Chelmsford, based in Chelmsford. 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: £552 (2%) over the AskCar estimate of £23,337.

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 12 days.

Price history

AskCar first saw this advert on 27 October 2026 at £23,990. Its asking price is now £23,889, £101 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 27 October 2026: £23,990
• 4 November 2026: £23,889

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 1 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 14 August 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge tyre worn on edge; offside front tyre has a cut but not deep enough to reach the ply or cords; rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 27,915 miles, which matches the advertised 34,000 miles.

Advertised mileage is about 6,000 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 8 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, £890 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, black. Mileage: 38,490 miles. Price: £23,190, £699 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-2021-3bf67977c846
• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, black. Mileage: 27,689 miles. Price: £24,590, £701 more than this car. Dealer: Stratstone Mercedes-Benz of Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-986d0c30e768

• The nearest: 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, grey, 16 miles from this car. Mileage: 11,773 miles. Price: £26,295, £2,406 more than this car. Dealer: Stratstone Mercedes-Benz of Colchester in Colchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-23c5b7b1a44e