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 Auto FWD Euro 6 5dr
• Year: 2020
• Mileage: 35,413 miles
• Fuel: Petrol
• Body: 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 35,413 miles on the clock, this 2020 Mercedes-Benz GLA AMG Line Premium has done roughly 8,200 fewer miles than a typical 2020 Mercedes-Benz GLA. Its asking price of £21,900 is £687 above the AskCar estimate of £21,213. To work out the AskCar estimate, we analyse UK dealer adverts for 2,461 Mercedes-Benz GLA cars across different ages and specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Swindon, based in Swindon. 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: £687 (3%) over the AskCar estimate of £21,213.

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

This 2020 Mercedes-Benz GLA has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 7 October 2026 at £23,000. Its asking price is now £21,900, £1,100 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 7 October 2026: £23,000
• 14 October 2026: £21,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 29 September 2027.

It failed its MOT on 17 September 2026 (nearside front tyre has ply or cords exposed; offside front tyre has ply or cords exposed; offside front coil spring fractured or broken) and passed 5 days later, on 22 September 2026.

Advisories at the latest test: front brake pad(s) wearing thin; front brake disc worn, but not excessively; nearside rear tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 35,167 miles, which matches the advertised 35,413 miles.

Advertised mileage is about 8,200 miles lower than the median mileage of a 2020 Mercedes-Benz GLA on AskCar.