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: 11,773 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Grey
• CO2: 150 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Premium Plus has covered 11,773 miles, around 28,200 fewer miles than is typical for its age. Its asking price of £26,295 is £771 above the AskCar estimate of £25,524. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. We first recorded this advert 91 days ago, and its asking price has since fallen by £700. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Mercedes-Benz of Colchester, based in Colchester. 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: £771 (3%) over the AskCar estimate of £25,524.

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 91 days.

Price history

AskCar first saw this advert on 9 August 2026 at £26,995. Its asking price is now £26,295, £700 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 9 August 2026: £26,995
• 20 August 2026: £27,495
• 5 September 2026: £27,295
• 17 September 2026: £26,995
• 29 September 2026: £26,795
• 13 October 2026: £26,545
• 3 November 2026: £26,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 30 November 2026.

It has had 2 MOTs. The latest, on 4 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 9,200 miles, which matches the advertised 11,773 miles.

Advertised mileage is about 28,200 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 £24,590, 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, black. Mileage: 20,000 miles. Price: £24,490, £1,805 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-2021-05e2cd759e1d
• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, black. Mileage: 27,689 miles. Price: £24,590, £1,705 less than this car. Dealer: Stratstone Mercedes-Benz of Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-986d0c30e768
• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, blue. Mileage: 34,000 miles. Price: £23,889, £2,406 less than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-060640d930b4