2021 Mercedes-Benz GLA 2.0 GLA200d AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Premium
• Version: 2.0 GLA200d AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 8G (148 bhp)
• Year: 2021
• Mileage: 42,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Premium has covered 42,000 miles. Priced at £19,888, it is advertised £376 below the AskCar estimate of £20,264. 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 163 days ago, the asking price has dropped by £2,334. The latest MOT recorded 42,878 miles, above the advertised mileage. Check this with the dealer. MOT records show an expiry date of 29 May 2027. It is advertised by Penny Hill Motors in Bagshot. 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: £376 (1%) under the AskCar estimate of £20,264.

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 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,222. Its asking price is now £19,888, £2,334 less. The latest price cut was seen on 25 September 2026.

Price changes recorded:

• 28 May 2026: £22,222
• 2 July 2026: £21,888
• 10 July 2026: £21,666
• 14 July 2026: £21,444
• 23 July 2026: £21,222
• 25 September 2026: £19,888

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 May 2027.

It has had 3 MOTs. The latest, on 30 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,878 miles. The advert says 42,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 2,000 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

14 other 2021 Mercedes-Benz GLA AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,500 to £22,495, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 40,174 miles. Price: £20,295, £407 more than this car. Dealer: Grainger Motor Group in Cambridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-64d0bb236f68
• 2021 Mercedes-Benz GLA AMG Line Premium, 2.0 diesel SUV, black. Mileage: 44,100 miles. Price: £19,650, £238 less than this car. Dealer: RB Prestige Cars in Ashley Heath. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-44e653f980e0
• 2021 Mercedes-Benz GLA AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 39,730 miles. Price: £19,495, £393 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-87ed594bebab

• The nearest: 2021 Mercedes-Benz GLA AMG Line Premium, 2.0 diesel SUV, black, 14 miles from this car. Mileage: 50,218 miles. Price: £21,995, £2,107 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-f53c2e8cabeb