2021 Mercedes-Benz GLA 2.0 AMG Line
Version: 2.0 AMG Line DCT Euro 6 5dr 8G
Price: £17,995. Fair price: £626 (3%) under the AskCar estimate of £18,621, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,548 priced Mercedes-Benz GLA adverts on AskCar as of 1 November 2026.
AskCar lists 2,590 used Mercedes-Benz GLA from 1,313 UK dealerships, as of 1 November 2026.
Overview
- Make
- Mercedes-Benz
- Model
- GLA
- Trim
- AMG Line
- Version
- 2.0 AMG Line DCT Euro 6 5dr 8G
- Mileage
- 57,800 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 142 g/km
- Colour
- Silver
- Doors
- 5
- Gearbox version
- DCT
- Emissions standard
- Euro 6
About this car
At 57,800 miles, this 2021 Mercedes-Benz GLA AMG Line has covered about 17,800 more miles than other 2021 Mercedes-Benz GLA cars. Priced at £17,995, it is advertised £626 below the AskCar estimate of £18,621. To work out the AskCar estimate, we analyse UK dealer adverts for 2,548 Mercedes-Benz GLA cars across different ages and specifications. This car was first seen in our listings data today. MOT records show an expiry date of 14 April 2027, and the latest recorded mileage is consistent with the advert. The seller is jjmotors, based in Llanelli.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £17,995 |
Price and mileage comparison
Fair price: £626 (3%) under the AskCar estimate of £18,621.
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 2,548 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 17,800 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 14 April 2027. 48,252 miles at the last test.
Other matching cars
20 other 2021 Mercedes-Benz GLA AMG Line automatic diesel cars are for sale at UK dealers from £17,695 to £24,495, as of 1 November 2026.
The 5 cheapest:
- 2021 Mercedes-Benz GLA. Price: £17,695. Mileage: 61,000 miles. Dealer: Victoria Motors in Gillingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-085e592fb1aa
- 2021 Mercedes-Benz GLA. Price: £17,790. Mileage: 66,064 miles. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-540c1de8fbc1
- 2021 Mercedes-Benz GLA. Price: £17,990. Mileage: 65,662 miles. Dealer: Group 1 Automotive Mercedes-Benz of North Wales in Conwy. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-3dde39728abd
- 2021 Mercedes-Benz GLA. Price: £18,450. Mileage: 63,359 miles. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-53405a150b0b
- 2021 Mercedes-Benz GLA. Price: £19,364. Mileage: 49,207 miles. Dealer: JCT600 Approved Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-a942f4a4fcdb
The 20 matching cars have covered 21,258 to 66,064 miles, compared with 57,800 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz GLA cars for sale · 2021 Mercedes-Benz GLA price guide
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Photos
13 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.