2021 Mercedes-Benz GLA 1.3 Sport Executive

Price: £19,499. Fair price: £11 (under 1%) over the AskCar estimate of £19,488, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,429 priced Mercedes-Benz GLA adverts on AskCar as of 9 November 2026.

AskCar lists 2,470 used Mercedes-Benz GLA from 1,292 UK dealerships, as of 9 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLA
  • Trim: Sport Executive
  • Version: 1.3 Sport Executive Auto FWD Euro 6 5dr
  • Year: 2021
  • Mileage: 34,840 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.3 litres
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 151 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 34,840 miles, this 2021 Mercedes-Benz GLA Sport Executive has covered about 5,200 fewer miles than other 2021 Mercedes-Benz GLA cars. Priced at £19,499, it is advertised £11 above the AskCar estimate of £19,488. To work out the AskCar estimate, we analyse UK dealer adverts for 2,429 Mercedes-Benz GLA cars across different ages and specifications. We first saw this car advertised 24 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Mercedes-Benz Of Hamilton, based in Hamilton. 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

Stratstone Mercedes-Benz Of Hamilton is rated 4.4 out of 5 on Google.

Price

Fair price: £11 (under 1%) over the AskCar estimate of £19,488.

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 1.3 petrol engine is typically advertised at £20,700: the median of the 94 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 16 October 2026 at £19,999. Its asking price is now £19,499, £500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 16 October 2026: £19,999
  • 28 October 2026: £19,662
  • 7 November 2026: £19,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 7 January 2027.

It failed its MOT on 8 January 2026 (nearside front anti-roll bar linkage ball joint excessively worn DROP LINK FREE PLAY) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 31,186 miles, which matches the advertised 34,840 miles.

Advertised mileage is about 5,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

2 other 2021 Mercedes-Benz GLA Sport Executive 1.3 petrol automatic hatchbacks are for sale at UK dealers, from £19,290 to £20,498, as of 9 November 2026.

The 2 closest to this car in mileage:

  • 2021 Mercedes-Benz GLA Sport Executive, 1.3 petrol hatchback, white. Mileage: 33,570 miles. Price: £20,498, £999 more than this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-e7be88796c0a
  • 2021 Mercedes-Benz GLA Sport Executive, 1.3 petrol hatchback, black. Mileage: 45,258 miles. Price: £19,290, £209 less than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-fa74b890f8b9

Browse all Mercedes-Benz GLA cars for sale · 2021 Mercedes-Benz GLA price guide

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Photos

40 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.