2021 Mercedes-Benz GLA 1.3 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLA
• Trim: AMG Line Premium
• Version: 1.3 AMG Line Premium Auto FWD Euro 6 5dr
• Year: 2021
• Mileage: 73,374 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: White
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLA AMG Line Premium is advertised with 73,374 miles, approximately 33,400 above the typical mileage for its age. The dealer is asking £18,490, which is £713 above the AskCar estimate of £17,777. To work out the AskCar estimate, we analyse UK dealer adverts for 2,429 Mercedes-Benz GLA cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 33 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Portfield Car Sales in Christchurch. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £713 (4%) over the AskCar estimate of £17,777.

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 2,429 priced Mercedes-Benz GLA adverts across different ages and specifications, as of 9 November 2026.

A 2021 Mercedes-Benz GLA with the 1.3 petrol engine is typically advertised at £20,700: the median of the 94 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Mercedes-Benz GLA has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 7 October 2026 at £18,690. Its asking price is now £18,490, £200 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 7 October 2026: £18,690
• 22 October 2026: £18,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 4 August 2027.

It has had 5 MOTs. The latest, on 5 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,581 miles, which matches the advertised 73,374 miles.

Advertised mileage is about 33,400 miles higher than the median mileage of a 2021 Mercedes-Benz GLA on AskCar.

Similar cars

7 other 2021 Mercedes-Benz GLA AMG Line Premium 1.3 petrol automatic hatchbacks are for sale at UK dealers, from £22,491 to £24,998, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol hatchback, black. Mileage: 40,065 miles. Price: £22,498, £4,008 more than this car. Dealer: Arnold Clark Livingston Vauxhall in Livingston. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-a58bca35e147
• 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol hatchback, white. Mileage: 39,123 miles. Price: £22,498, £4,008 more than this car. Dealer: Arnold Clark Paisley Fiat / Abarth in Paisley. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-c9b9b267d812
• 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol hatchback, black. Mileage: 33,245 miles. Price: £22,929, £4,439 more than this car. Dealer: Lookers Mercedes-Benz of Brighton in Brighton and Hove. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-639cd6ee4d60

• The nearest: 2021 Mercedes-Benz GLA AMG Line Premium, 1.3 petrol hatchback, blue, 64 miles from this car. Mileage: 13,547 miles. Price: £24,995, £6,505 more than this car. Dealer: Sandown Group Mercedes-Benz of Guildford in Guildford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gla-2021-d25010a55c5c