2021 Mercedes-Benz GLA 2.0 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Executive
• Version: 2.0 AMG Line Executive DCT Euro 6 5dr 8G
• Year: 2021
• Mileage: 56,460 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (DCT)
• Colour: Red
• CO2: 149 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 56,460 miles, this 2021 Mercedes-Benz GLA AMG Line Executive has covered about 16,500 more miles than other 2021 Mercedes-Benz GLA cars. Priced at £20,898, it is advertised £1,543 above the AskCar estimate of £19,355. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. We have tracked this advert for 29 days. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Kirkcaldy BMW, based in Kirkcaldy. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,543 (7%) over the AskCar estimate of £19,355.

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 2,461 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz GLA with the 2.0 diesel engine is typically advertised at £20,500: the median of the 100 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 10 October 2026 at £20,898. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 7 October 2027.

It has had 4 MOTs. The latest, on 8 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,473 miles, which matches the advertised 56,460 miles.

Advertised mileage is about 16,500 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

5 other 2021 Mercedes-Benz GLA AMG Line Executive 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £18,998 to £20,998, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel hatchback, white. Mileage: 51,028 miles. Price: £19,199, £1,699 less than this car. Dealer: Stratstone Mercedes-Benz Of Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-2e7fe6045d30
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel hatchback, black. Mileage: 62,643 miles. Price: £18,998, £1,900 less than this car. Dealer: Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO in Edinburgh. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-b94662cd6a16
• 2021 Mercedes-Benz GLA AMG Line Executive, 2.0 diesel hatchback, black. Mileage: 67,443 miles. Price: £18,998, £1,900 less than this car. Dealer: Arnold Clark Mercedes-Benz & smart of Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-68f2fcd6a671