2021 Mercedes-Benz GLA

2.0 AMG Line Executive DCT Euro 6 (s/s) 5dr 8G

£18,998

Fair price: within 8% of the typical £18,668 for this model, age and mileage, drawing on 2,527 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLA
Trim
AMG LINE EXECUTIVE
Version
2.0 AMG Line Executive DCT Euro 6 (s/s) 5dr 8G
Mileage
54,427 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Seats
5
CO2
142 g/km
Colour
Silver
Doors
5
Gearbox version
DCT
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLA AMG Line Executive is advertised with 54,427 miles, approximately 15,300 above the typical mileage for its age. The dealer is asking £18,998, which is £330 above our market estimate of £18,668. To estimate its market asking price, we analyse UK dealer adverts for 2,527 Mercedes-Benz GLA cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 71 days ago. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 13 August 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Arnold Clark Mercedes-Benz of Grangemouth, based in Grangemouth.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 August 2026, 71 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,500 from the first recorded £20,498. 2 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
15 August 2026£20,498
8 October 2026£19,498
21 October 2026£18,998
23 October 2026£18,998

Price and mileage comparison

Estimated market asking price: £18,668. The asking price is £330 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 2,527 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 15,300 miles higher than typical for a 2021 Mercedes-Benz GLA.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 13 August 2027. 54,434 miles at the last test.

21 other cars with the same year, trim, gearbox and fuel are for sale from £17,663 to £24,775.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£17,66362,817 miles
£17,99956,686 miles
£18,25060,178 miles
£18,47947,530 miles
£18,99867,443 miles

These cars have covered 13,982–67,443 miles, compared with 54,427 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz GLA cars for sale · 2021 Mercedes-Benz GLA price guide

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