2021 Mercedes-Benz GLA 2.0 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line
• Version: 2.0 AMG Line DCT Euro 6 (s/s) 5dr 8G
• Year: 2021
• Mileage: 65,662 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Silver
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 65,662 miles on the clock, this 2021 Mercedes-Benz GLA AMG Line has done roughly 25,700 more miles than a typical 2021 Mercedes-Benz GLA. Priced at £17,990, it is advertised £376 below the AskCar estimate of £18,366. 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 37 days ago, the asking price has dropped by £610. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Group 1 Automotive Mercedes-Benz of North Wales in Llandudno Junction. 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 (2%) under the AskCar estimate of £18,366.

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 37 days.

Price history

AskCar first saw this advert on 1 October 2026 at £18,600. Its asking price is now £17,990, £610 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 1 October 2026: £18,600
• 5 October 2026: £18,495
• 14 October 2026: £17,995
• 20 October 2026: £18,285
• 28 October 2026: £18,100
• 30 October 2026: £17,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 27 April 2027.

It has had 3 MOTs. The latest, on 13 April 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; child seat fitted not allowing full inspection of adult belt; and 1 more.

Mileage at that test: 59,155 miles, which matches the advertised 65,662 miles.

Advertised mileage is about 25,700 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

9 other 2021 Mercedes-Benz GLA AMG Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £17,790 to £24,495, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel SUV, grey. Mileage: 66,064 miles. Price: £17,790, £200 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-540c1de8fbc1
• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel SUV, black. Mileage: 63,359 miles. Price: £18,450, £460 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-53405a150b0b
• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel SUV, black. Mileage: 52,967 miles. Price: £19,995, £2,005 more than this car. Dealer: Ideal Car Centre in Bilston. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-2211ab7cc2bb