2021 Mercedes-Benz GLA 1.3 AMG Line
Price: £20,995. Fair price: £306 (1%) under the AskCar estimate of £21,301, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,516 priced Mercedes-Benz GLA adverts on AskCar as of 6 November 2026.
AskCar lists 2,563 used Mercedes-Benz GLA from 1,308 UK dealerships, as of 6 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLA
- Trim: AMG Line
- Version: 1.3 AMG Line Auto FWD Euro 6 5dr
- Year: 2021
- Mileage: 18,027 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.3 litres
- Gearbox: Automatic
- Drive: Front-wheel drive
- Colour: Black
- CO2: 153 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Mercedes-Benz GLA AMG Line has covered 18,027 miles, around 22,100 fewer miles than is typical for its age. The dealer is asking £20,995, which is £306 below the AskCar estimate of £21,301. To work out the AskCar estimate, we analyse UK dealer adverts for 2,516 Mercedes-Benz GLA cars across different ages and specifications. This car was first seen in our listings data 2 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Warners Of Tewkesbury, based in Tewkesbury. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £306 (1%) under the AskCar estimate of £21,301.
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 2,516 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 6 November 2026.
A 2021 Mercedes-Benz GLA with the 1.3 petrol engine is typically advertised at £20,700: the median of the 99 for sale on AskCar, as of 6 November 2026.
Time on sale
AskCar first saw this 2021 Mercedes-Benz GLA advertised 2 days ago. About half of 2021 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 171 of the 358 first advertised between 11 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 4 November 2026 at £20,995. 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 6 November 2026: valid until 30 April 2027.
It has had 4 MOTs. The latest, on 15 April 2026, passed.
Advisories at the latest test: front brake pad(s) wearing thin; rear tyre slightly damaged/cracking or perishing both perishing.
Mileage at that test: 17,491 miles, which matches the advertised 18,027 miles.
Advertised mileage is about 22,100 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.
Similar cars
1 other 2021 Mercedes-Benz GLA AMG Line 1.3 petrol automatic hatchback is for sale at UK dealers, as of 6 November 2026.
The closest to this car in mileage:
- 2021 Mercedes-Benz GLA AMG Line, 1.3 petrol hatchback, grey. Mileage: 30,834 miles. Price: £21,498, £503 more than this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-b47f0d01b1f3
Browse all Mercedes-Benz GLA cars for sale · 2021 Mercedes-Benz GLA price guide
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Photos
30 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.