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: 38,774 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (DCT)
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Executive has covered 38,774 miles. Priced at £19,195, it is advertised £1,063 below the AskCar estimate of £20,258. The AskCar estimate uses 2,429 UK dealer adverts for the Mercedes-Benz GLA, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 45 days ago. Its asking price has since fallen by £1,400. The latest MOT recorded 51,469 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 24 August 2027. You can find this car at Motor Trust Lancaster in Morecambe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,063 (5%) under the AskCar estimate of £20,258.

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 2,429 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 9 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,700: the median of the 96 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 25 September 2026 at £20,595. Its asking price is now £19,195, £1,400 less. The latest price cut was seen on 19 October 2026.

Price changes recorded:

• 25 September 2026: £20,595
• 7 October 2026: £19,695
• 12 October 2026: £19,495
• 19 October 2026: £19,195

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 24 August 2027.

It failed its MOT on 20 August 2026 (nearside rear seat belt buckle not functioning as intended) and passed 1 day later, on 21 August 2026.

There were no advisories at the latest test.

Mileage at that test: 51,469 miles. The advert says 38,774 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 1,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

17 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 9 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, black. Mileage: 39,891 miles. Price: £19,999, £804 more than this car. Dealer: Motorplus South Wales in Newport. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-3d447c1c0233
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, blue. Mileage: 40,000 miles. Price: £19,495, £300 more 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: 34,400 miles. Price: £19,488, £293 more than this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-32ffc1ff63c7

• The nearest: 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel SUV, silver, 39 miles from this car. Mileage: 31,704 miles. Price: £19,550, £355 more than this car. Dealer: CarTime in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-934dbb4541ea