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: 20,000 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

At 20,000 miles, this 2021 Mercedes-Benz GLA AMG Line Premium Plus has covered about 20,000 fewer miles than other 2021 Mercedes-Benz GLA cars. The dealer is asking £24,490, which is £245 below the AskCar estimate of £24,735. To work out the AskCar estimate, we analyse UK dealer adverts for 2,487 Mercedes-Benz GLA cars across different ages and specifications. Since we first spotted the advert 143 days ago, the asking price has dropped by £4,100. The government's MOT record matches its advertised mileage. You can find this car 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: £245 (under 1%) under the AskCar estimate of £24,735.

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 143 days.

Price history

AskCar first saw this advert on 17 June 2026 at £28,590. Its asking price is now £24,490, £4,100 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 17 June 2026: £28,590
• 25 June 2026: £28,490
• 7 July 2026: £28,190
• 18 July 2026: £27,990
• 28 July 2026: £27,590
• 8 August 2026: £26,990
• 29 August 2026: £26,490
• 5 September 2026: £26,390
• 29 September 2026: £24,690
• 13 October 2026: £24,590
• 27 October 2026: £24,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 25 November 2026.

It has had 2 MOTs. The latest, on 1 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 17,656 miles, which matches the advertised 20,000 miles.

Advertised mileage is about 20,000 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 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, black. Mileage: 27,689 miles. Price: £24,590, £100 more 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, grey. Mileage: 11,773 miles. Price: £26,295, £1,805 more than this car. Dealer: Stratstone Mercedes-Benz of Colchester in Colchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-23c5b7b1a44e
• 2021 Mercedes-Benz GLA AMG Line Premium Plus, 2.0 diesel hatchback, blue. Mileage: 34,000 miles. Price: £23,889, £601 less 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: 38,490 miles. Price: £23,190, £1,300 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