2020 Mercedes-Benz GLA 1.3 GLA200 AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Premium Plus
• Version: 1.3 GLA200 AMG Line Premium Plus DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
• Year: 2020
• Mileage: 39,368 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLA AMG Line Premium Plus is advertised with 39,368 miles, approximately 4,200 below the typical mileage for its age. Priced at £21,300, it is advertised £81 below the AskCar estimate of £21,381. The AskCar estimate uses 2,487 UK dealer adverts for the Mercedes-Benz GLA, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 3 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Car Planet Watford, based in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £81 (under 1%) under the AskCar estimate of £21,381.

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 2,487 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLA with the 1.3 petrol engine is typically advertised at £19,700: the median of the 63 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLA advertised 3 days ago. About 6 in 10 of 2020 Mercedes-Benz GLA cars are gone from sale within a month of being advertised: 181 of the 304 first advertised between 13 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £21,300. 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 7 November 2026: valid until 15 September 2027.

It has had 4 MOTs. The latest, on 14 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 38,855 miles, which matches the advertised 39,368 miles.

Advertised mileage is about 4,200 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.

Similar cars

3 other 2020 Mercedes-Benz GLA AMG Line Premium Plus 1.3 petrol automatic SUVs are for sale at UK dealers, from £20,499 to £21,999, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLA AMG Line Premium Plus, 1.3 petrol SUV, grey. Mileage: 42,363 miles. Price: £21,245, £55 less than this car. Dealer: Drayton Motors Kia Boston in Boston. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-e6421587243e
• 2020 Mercedes-Benz GLA AMG Line Premium Plus, 1.3 petrol SUV, grey. Mileage: 47,400 miles. Price: £21,999, £699 more than this car. Dealer: Premluxe Motors in Battlesbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-36642f094047
• 2020 Mercedes-Benz GLA AMG Line Premium Plus, 1.3 petrol SUV, blue. Mileage: 51,275 miles. Price: £20,499, £801 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-ea3a7b1fc6e8