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: 40,459 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Grey
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line has covered 40,459 miles. Priced at £20,789, it is advertised £216 below the AskCar estimate of £21,005. The AskCar estimate uses 2,487 UK dealer adverts for the Mercedes-Benz GLA, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 42 days ago, and its asking price has since fallen by £1,170. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Mercedes-Benz of Wolverhampton, based in Wolverhampton. 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: £216 (1%) under the AskCar estimate of £21,005.

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 42 days.

Price history

AskCar first saw this advert on 26 September 2026 at £21,959. Its asking price is now £20,789, £1,170 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 26 September 2026: £21,959
• 29 September 2026: £21,799
• 10 October 2026: £21,939
• 14 October 2026: £21,629
• 20 October 2026: £21,519
• 25 October 2026: £21,199
• 2 November 2026: £21,049
• 5 November 2026: £20,789

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 6 April 2027.

It has had 3 MOTs. The latest, on 28 March 2026, passed.

Advisories at the latest test: front wipers smearing; offside rear parking brake efficiency only just met. it would appear that the braking system requires adjustment or repair; nearside rear tyre slightly damaged/cracking or perishing; and 3 more.

Mileage at that test: 38,211 miles, which matches the advertised 40,459 miles.

Advertised mileage is about 500 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, blue. Mileage: 43,163 miles. Price: £20,574, £215 less than this car. Dealer: cinch in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-65179ee62716
• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel SUV, black. Mileage: 37,251 miles. Price: £22,149, £1,360 more than this car. Dealer: Greendale Car Sales in Hawick. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-1b49db655f07
• 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel SUV, white. Mileage: 46,000 miles. Price: £20,880, £91 more than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-b46c63c27aee

• The nearest: 2021 Mercedes-Benz GLA AMG Line, 2.0 diesel SUV, black, 2 miles from this car. Mileage: 52,967 miles. Price: £19,995, £794 less than this car. Dealer: Ideal Car Centre in Bilston. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-2211ab7cc2bb