2020 Mercedes-Benz GLA 1.3 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Executive
• Version: 1.3 AMG Line Executive Auto FWD Euro 6 5dr
• Year: 2020
• Mileage: 31,789 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Beige
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLA AMG Line Executive is advertised with 31,789 miles, approximately 11,800 below the typical mileage for its age. Priced at £20,995, it is advertised £1,013 above the AskCar estimate of £19,982. The AskCar estimate uses 2,461 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 5 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Wilsons Motor Group in Epsom. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,013 (5%) over the AskCar estimate of £19,982.

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 2020 Mercedes-Benz GLA with the 1.3 petrol engine is typically advertised at £19,600: the median of the 64 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLA advertised 5 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 5 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £20,995. 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 12 August 2027.

It failed its MOT on 16 July 2026 (nearside front inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 17 July 2026.

Advisories at the latest test: offside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 29,876 miles, which matches the advertised 31,789 miles.

Advertised mileage is about 11,800 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLA AMG Line Executive 1.3 petrol automatic hatchbacks are for sale at UK dealers, from £17,995 to £19,998, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol hatchback, grey. Mileage: 27,360 miles. Price: £19,998, £997 less than this car. Dealer: Arnold Clark Bishopbriggs Renault / Dacia / Vanstore in Bishopbriggs. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-a93ebd49d8f8
• 2020 Mercedes-Benz GLA AMG Line Executive, 1.3 petrol hatchback, silver. Mileage: 47,000 miles. Price: £17,995, £3,000 less than this car. Dealer: G & M Motors in Gravesend. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-bd6f761e8d4b