2021 Mercedes-Benz GLA 2.0 GLA200d AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Executive
• Version: 2.0 GLA200d AMG Line Executive DCT Euro 6 (s/s) 5dr 8G (148 bhp)
• Year: 2021
• Mileage: 39,891 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Black
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Mercedes-Benz GLA AMG Line Executive is 39,891 miles. Priced at £19,999, it is advertised £131 below the AskCar estimate of £20,130. 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 saw this car advertised 49 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. It is advertised by Motorplus South Wales in Newport. 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: £131 (under 1%) under the AskCar estimate of £20,130.

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 49 days.

Price history

AskCar first saw this advert on 19 September 2026 at £20,999. Its asking price is now £19,999, £1,000 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 19 September 2026: £20,999
• 7 October 2026: £20,699
• 13 October 2026: £19,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 2 September 2027.

It has had 3 MOTs. The latest, on 20 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,753 miles, which matches the advertised 39,891 miles.

Advertised mileage is about 100 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

20 other 2021 Mercedes-Benz GLA AMG Line Executive 2.0 diesel automatic SUVs are for sale at UK dealers, from £11,494 to £23,800, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, blue. Mileage: 40,000 miles. Price: £19,495, £504 less than this car. Dealer: Riviera Automotive in Cleckheaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-9ab0de51da35
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 38,774 miles. Price: £19,195, £804 less than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-f922a44cee35
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, grey. Mileage: 43,345 miles. Price: £19,399, £600 less than this car. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-7793891eba81