2020 Mercedes-Benz G Class 2.9 G350d AMG Line Premium

Price: £83,950. Fair price: £945 (1%) under the AskCar estimate of £84,895, our expected asking price for this car from its model, age, mileage and specification, drawing on 413 priced Mercedes-Benz G Class adverts on AskCar as of 8 November 2026.

AskCar lists 480 used Mercedes-Benz G Class from 282 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: G Class
  • Trim: AMG Line Premium
  • Version: 2.9 G350d AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr (282 bhp)
  • Year: 2020
  • Mileage: 58,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.9 litres, 282 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 252 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz G Class AMG Line Premium is advertised with 58,000 miles, approximately 13,100 above the typical mileage for its age. Its asking price of £83,950 is £945 below the AskCar estimate of £84,895. The AskCar estimate uses 413 UK dealer adverts for the Mercedes-Benz G Class, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 104 days ago. Its asking price has since fallen by £1,050. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Turbo Cars, based in Newry. 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: £945 (1%) under the AskCar estimate of £84,895.

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 413 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2020 Mercedes-Benz G Class has been on sale for at least 104 days.

Price history

AskCar first saw this advert on 27 July 2026 at £85,000. Its asking price is now £83,950, £1,050 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 27 July 2026: £85,000
  • 24 October 2026: £83,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 26 August 2027.

It has had 4 MOTs. The latest, on 27 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,451 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 13,100 miles higher than the median mileage of a 2020 Mercedes-Benz G Class on AskCar.

Similar cars

5 other 2020 Mercedes-Benz G Class AMG Line Premium 2.9 diesel automatic SUVs are for sale at UK dealers, from £82,000 to £105,995, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz G Class AMG Line Premium, 2.9 diesel SUV, black. Mileage: 50,722 miles. Price: £86,995, £3,045 more than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-7dafd4b01f1a
  • 2020 Mercedes-Benz G Class AMG Line Premium, 2.9 diesel SUV, black. Mileage: 39,000 miles. Price: £105,995, £22,045 more than this car. Dealer: Kaim Park Garage in Bathgate. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-20d991d362f0
  • 2020 Mercedes-Benz G Class AMG Line Premium, 2.9 diesel SUV, black. Mileage: 32,518 miles. Price: £82,000, £1,950 less than this car. Dealer: Tame Bridge Cars in Middlesbrough. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-f86715357d4e

Browse all Mercedes-Benz G Class cars for sale · 2020 Mercedes-Benz G Class price guide

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Photos

16 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.