2020 Mercedes-Benz GLA 1.6 GLA200 AMG Line Edition
Price: £15,400. Fair price: £702 (4%) under the AskCar estimate of £16,102, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,495 priced Mercedes-Benz GLA adverts on AskCar as of 14 November 2026.
AskCar lists 2,542 used Mercedes-Benz GLA from 1,318 UK dealerships, as of 14 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLA
- Trim: AMG Line Edition
- Version: 1.6 GLA200 AMG Line Edition DCT FWD Euro 6 (s/s) 5dr 7G (154 bhp)
- Year: 2020
- Mileage: 40,551 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.6 litres, 154 bhp
- Gearbox: Automatic (DCT)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 148 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Mercedes-Benz GLA AMG Line Edition has covered 40,551 miles, around 3,000 fewer miles than is typical for its age. The AskCar estimate for this car is £16,102. It is priced at £15,400, which is £702 below that estimate. The AskCar estimate draws on 2,495 Mercedes-Benz GLA adverts across the UK, adjusting for age, mileage, trim, engine and other 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. It is for sale at Car Planet Watford in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 14 November 2026.
Car Planet Watford is rated 4.6 out of 5 on Google.
Price
Fair price: £702 (4%) under the AskCar estimate of £16,102.
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 2,495 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 14 November 2026.
A 2020 Mercedes-Benz GLA with the 1.6 petrol engine is typically advertised at £15,000: the median of the 68 for sale on AskCar, as of 14 November 2026.
Time on sale
AskCar first saw this 2020 Mercedes-Benz GLA advertised 2 days ago. About 6 in 10 of 2020 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 192 of the 323 first advertised between 14 July 2026 and 11 October 2026.
Price history
AskCar first saw this advert on 12 November 2026 at £15,400. 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 14 November 2026: valid until 6 November 2027.
It has had 5 MOTs. The latest, on 7 November 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 40,562 miles, which matches the advertised 40,551 miles.
Advertised mileage is about 3,000 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.
Similar cars
49 other 2020 Mercedes-Benz GLA AMG Line Edition 1.6 petrol automatic SUVs are for sale at UK dealers, from £9,895 to £18,995, as of 14 November 2026.
The 3 closest to this car in mileage:
- 2020 Mercedes-Benz GLA AMG Line Edition, 1.6 petrol SUV, grey. Mileage: 39,954 miles. Price: £16,000, £600 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-802d42cde0ad
- 2020 Mercedes-Benz GLA AMG Line Edition, 1.6 petrol SUV, red. Mileage: 41,884 miles. Price: £16,450, £1,050 more than this car. Dealer: Westwood Car & Commercial in Bexley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-140270d505de
- 2020 Mercedes-Benz GLA AMG Line Edition, 1.6 petrol SUV, grey. Mileage: 42,220 miles. Price: £15,300, £100 less than this car. Dealer: Marshall SEAT Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-7b322a2473f6
- The nearest: 2020 Mercedes-Benz GLA AMG Line Edition, 1.6 petrol SUV, grey, under a mile from this car. Mileage: 43,516 miles. Price: £16,100, £700 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-33b91fa3ceec
Browse all Mercedes-Benz GLA cars for sale · 2020 Mercedes-Benz GLA price guide
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Photos
39 photos of this car are on its AskCar page.
As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.