2020 Mercedes-Benz GLA 1.6 AMG Line Edition

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Edition
• Version: 1.6 AMG Line Edition DCT FWD Euro 6 (s/s) 5dr 7G
• Year: 2020
• Mileage: 42,220 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.6 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLA AMG Line Edition has covered 42,220 miles. Its asking price of £15,300 is £683 below the AskCar estimate of £15,983. The AskCar estimate uses 2,495 UK dealer adverts for the Mercedes-Benz GLA, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall SEAT Leicester, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £683 (4%) under the AskCar estimate of £15,983.

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 £15,300. 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 14 November 2026: valid until 5 December 2026.

It has had 4 MOTs. The latest, on 6 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 38,607 miles, which matches the advertised 42,220 miles.

Advertised mileage is about 1,300 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, black. Mileage: 42,379 miles. Price: £15,800, £500 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-37c7f9eefaa5
• 2020 Mercedes-Benz GLA AMG Line Edition, 1.6 petrol SUV, red. Mileage: 41,884 miles. Price: £16,450, £1,150 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: 43,516 miles. Price: £16,100, £800 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-33b91fa3ceec

• The nearest: 2020 Mercedes-Benz GLA AMG Line Edition, 1.6 petrol SUV, red, 2 miles from this car. Mileage: 31,310 miles. Price: £14,282, £1,018 less than this car. Dealer: Ron Brooks Omoda & Jaecoo Leicester in Leicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-13609a0f46df