2021 Mercedes-Benz GLA 1.3 GLA180 AMG Line Premium

Price: £20,949. Fair price: £958 (4%) over the AskCar estimate of £19,991, 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 Premium
  • Version: 1.3 GLA180 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 7G (134 bhp)
  • Year: 2021
  • Mileage: 44,942 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.3 litres, 134 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Premium is advertised with 44,942 miles, approximately 4,900 above the typical mileage for its age. The dealer is asking £20,949, which is £958 above the AskCar estimate of £19,991. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. We first recorded this car for sale 30 days ago. Its advertised mileage matches the government's MOT record. The seller is Hartwell Kidlington, based in Oxon. 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: £958 (4%) over the AskCar estimate of £19,991.

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 1.3 petrol engine is typically advertised at £20,700: the median of the 96 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 9 October 2026 at £20,949. 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 22 July 2027.

It has had 6 MOTs. The latest, on 14 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,942 miles, which matches the advertised 44,942 miles.

Advertised mileage is about 4,900 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

5 other 2021 Mercedes-Benz GLA AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £19,790 to £24,290, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, white. Mileage: 50,180 miles. Price: £19,998, £951 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-5c0ed3b330fc
  • 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, white. Mileage: 53,467 miles. Price: £19,790, £1,159 less than this car. Dealer: NFS Autos in Bromley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-41de837784bb
  • 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, white. Mileage: 24,457 miles. Price: £22,495, £1,546 more than this car. Dealer: Group 1 Automotive Mercedes-Benz Of Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-9e0247412a4c
  • The nearest: 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, black, 61 miles from this car. Mileage: 6,822 miles. Price: £24,290, £3,341 more than this car. Dealer: Cars & Us in Greenwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-47708f55092d

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

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Photos

24 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.