2021 Mercedes-Benz GLA 2.0 AMG Line
Price: £21,000. Fair price: £178 (under 1%) over the AskCar estimate of £20,822, 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
- Version: 2.0 AMG Line DCT Euro 6 5dr 8G
- Year: 2021
- Mileage: 38,841 miles
- Fuel: Diesel
- Body: 5 doors, 5 seats
- Engine: 2.0 litres
- Gearbox: Automatic (DCT)
- Colour: Black
- CO2: 142 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Mercedes-Benz GLA AMG Line is advertised with 38,841 miles on the clock. Its asking price of £21,000 is £178 above the AskCar estimate of £20,822. The AskCar estimate uses UK dealer asking prices, including 2,461 Mercedes-Benz GLA adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 12 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Sytner Group Mercedes-Benz of Teesside in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £178 (under 1%) over the AskCar estimate of £20,822.
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 2.0 diesel engine is typically advertised at £20,500: the median of the 100 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2021 Mercedes-Benz GLA has been on sale for at least 12 days.
Price history
AskCar first saw this advert on 27 October 2026 at £21,000. 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 15 February 2027.
It has had 3 MOTs. The latest, on 16 February 2026, passed.
Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 28,975 miles, which matches the advertised 38,841 miles.
Advertised mileage is about 1,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.
Browse all Mercedes-Benz GLA cars for sale · 2021 Mercedes-Benz GLA price guide
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Photos
25 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.