2020 Mercedes-Benz GLA 1.3 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Premium
• Version: 1.3 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 7G
• Year: 2020
• Mileage: 15,364 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLA AMG Line Premium is advertised with 15,364 miles, approximately 28,200 below the typical mileage for its age. Its asking price of £23,998 is £2,021 above the AskCar estimate of £21,977. The AskCar estimate uses UK dealer asking prices, including 2,487 Mercedes-Benz GLA adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 29 days. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Mercedes-Benz Of Perth, based in Perth. 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

Above the going rate: £2,021 (9%) over the AskCar estimate of £21,977.

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

This 2020 Mercedes-Benz GLA has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 9 October 2026 at £23,998. 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 29 September 2027.

It has had 4 MOTs. The latest, on 30 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 15,339 miles, which matches the advertised 15,364 miles.

Advertised mileage is about 28,200 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.

Similar cars

9 other 2020 Mercedes-Benz GLA AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £12,497 to £21,300, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, black. Mileage: 29,472 miles. Price: £20,749, £3,249 less than this car. Dealer: Motorpoint Castleford in Castleford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-c15ddb11248c
• 2020 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, black. Mileage: 30,834 miles. Price: £21,300, £2,698 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-ef9c1fababfe
• 2020 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, white. Mileage: 33,413 miles. Price: £12,497, £11,501 less than this car. Dealer: Hodgson Car Sales in Scarborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-6b40bad88595

• The nearest: 2020 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol SUV, black, 48 miles from this car. Mileage: 38,009 miles. Price: £20,399, £3,599 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2020-1c83b5bc8a9e