2020 Mercedes-Benz G Class 2.9 G350d AMG Line Premium

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: 21,000 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

At 21,000 miles, this 2020 Mercedes-Benz G Class AMG Line Premium has covered about 23,900 fewer miles than other 2020 Mercedes-Benz G Class cars. The AskCar estimate for this car is £102,753. It is priced at £102,900, which is £147 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 413 Mercedes-Benz G Class cars across different ages and specifications. We have tracked this advert for 8 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Baytree Cars in Derby. 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: £147 (under 1%) over the AskCar estimate of £102,753.

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 8 days.

Price history

AskCar first saw this advert on 31 October 2026 at £102,900. 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 8 November 2026: valid until 30 April 2027.

It has had 4 MOTs. The latest, on 29 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 18,658 miles, which matches the advertised 21,000 miles.

Advertised mileage is about 23,900 miles lower 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: 28,700 miles. Price: £89,895, £13,005 less than this car. Dealer: Jap Car Finder in Bradford. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-72609b2ce733
• 2020 Mercedes-Benz G Class AMG Line Premium, 2.9 diesel SUV, black. Mileage: 32,518 miles. Price: £82,000, £20,900 less than this car. Dealer: Tame Bridge Cars in Middlesbrough. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-f86715357d4e
• 2020 Mercedes-Benz G Class AMG Line Premium, 2.9 diesel SUV, black. Mileage: 39,000 miles. Price: £105,995, £3,095 more than this car. Dealer: Kaim Park Garage in Bathgate. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-20d991d362f0