2020 Mercedes-Benz GLA 1.3 AMG Line Executive

Price: £17,995. Fair price: £542 (2%) under the AskCar estimate of £18,537, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,461 priced Mercedes-Benz GLA adverts on AskCar as of 8 November 2026.

AskCar lists 2,535 used Mercedes-Benz GLA from 1,304 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLA
  • Trim: AMG Line Executive
  • Version: 1.3 AMG Line Executive Auto FWD Euro 6 5dr
  • Year: 2020
  • Mileage: 47,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.3 litres
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 47,000 miles, this 2020 Mercedes-Benz GLA AMG Line Executive has covered about 3,400 more miles than other 2020 Mercedes-Benz GLA cars. The dealer is asking £17,995, which is £542 below the AskCar estimate of £18,537. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 122 days, and its asking price has been cut by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by G & M Motors in Gravesend. 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: £542 (2%) under the AskCar estimate of £18,537.

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 2020 Mercedes-Benz GLA with the 1.3 petrol engine is typically advertised at £19,600: the median of the 64 for sale on AskCar, as of 8 November 2026.

Time on sale

The dealer may accept less. This 2020 Mercedes-Benz GLA has been on sale for at least 122 days, and its asking price has been cut by £1,500. About 6 in 10 of 2020 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 181 of the 304 first advertised between 13 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 9 July 2026 at £19,495. Its asking price is now £17,995, £1,500 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

  • 9 July 2026: £19,495
  • 12 September 2026: £19,166
  • 13 October 2026: £17,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 22 July 2027.

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

Advisories at the latest test: front tyre worn close to legal limit/worn on edge both sides. 235/50 R19; rear tyre worn close to legal limit/worn on edge both sides on 3mm; tyre slightly damaged/cracking or perishing all 4 tyres cracking/ perishing slightly; and 1 more.

Mileage at that test: 42,388 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 3,400 miles higher than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLA AMG Line Executive 1.3 petrol automatic hatchbacks are for sale at UK dealers, from £19,998 to £20,995, as of 8 November 2026.

The 2 closest to this car in mileage:

  • 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol hatchback, beige. Mileage: 31,789 miles. Price: £20,995, £3,000 more than this car. Dealer: Wilsons Motor Group in Ewell. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-1077f623276f
  • 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol hatchback, grey. Mileage: 27,360 miles. Price: £19,998, £2,003 more than this car. Dealer: Arnold Clark Bishopbriggs Renault / Dacia / Vanstore in Bishopbriggs. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-a93ebd49d8f8

Browse all Mercedes-Benz GLA cars for sale · 2020 Mercedes-Benz GLA price guide

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Photos

36 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.