2020 Mercedes-Benz GLA 1.3 AMG Line Premium Plus
Version: 1.3 AMG Line Premium Plus Auto FWD Euro 6 5dr
Price: £21,245. Fair price: £619 (3%) over the AskCar estimate of £20,626, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,526 priced Mercedes-Benz GLA adverts on AskCar as of 30 October 2026.
AskCar lists 2,568 used Mercedes-Benz GLA from 1,319 UK dealerships, as of 30 October 2026.
Overview
- Make
- Mercedes-Benz
- Model
- GLA
- Trim
- AMG Line Premium Plus
- Version
- 1.3 AMG Line Premium Plus Auto FWD Euro 6 5dr
- Mileage
- 42,363 miles
- Year
- 2020
- Fuel type
- Petrol
- Engine
- 1.3 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 155 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Emissions standard
- Euro 6
About this car
The advertised mileage for this 2020 Mercedes-Benz GLA AMG Line Premium Plus is 42,363 miles. Its asking price of £21,245 is £619 above the AskCar estimate of £20,626. The AskCar estimate uses 2,526 UK dealer adverts for the Mercedes-Benz GLA, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. MOT records show an expiry date of 25 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Drayton Motors Kia Boston, based in Boston.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £21,245 |
Price and mileage comparison
Fair price: £619 (3%) over the AskCar estimate of £20,626.
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 2,526 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 400 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 25 October 2027. 42,156 miles at the last test.
Other matching cars
3 other 2020 Mercedes-Benz GLA AMG Line Premium Plus automatic petrol cars are for sale at UK dealers from £20,499 to £23,490, as of 30 October 2026.
- 2020 Mercedes-Benz GLA. Price: £20,499. Mileage: 51,275 miles. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-37a042e6b524
- 2020 Mercedes-Benz GLA. Price: £23,195. Mileage: 40,200 miles. Dealer: Group 1 Automotive Mercedes-Benz Hemel Hempstead in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-b1340b7c3a39
- 2020 Mercedes-Benz GLA. Price: £23,490. Mileage: 30,797 miles. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-04544aa74942
The 3 matching cars have covered 30,797 to 51,275 miles, compared with 42,363 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 · 2020 Mercedes-Benz GLA price guide
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How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.