2023 Mercedes-Benz G Class 2.9 G400d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: G Class
• Trim: AMG Line Premium Plus
• Version: 2.9 G400d AMG Line Premium Plus G-Tronic 4WD Euro 6 (s/s) 5dr (325 bhp)
• Year: 2023
• Mileage: 16,896 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.9 litres, 325 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 289 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz G Class AMG Line Premium Plus is advertised with 16,896 miles, approximately 5,400 below the typical mileage for its age. The dealer is asking £114,995, which is £4,604 below the AskCar estimate of £119,599. To work out the AskCar estimate, we analyse UK dealer adverts for 408 Mercedes-Benz G Class cars across different ages and specifications. We first recorded this advert 64 days ago, and its asking price has since fallen by £5,000. The seller is Agnew Group Mercedes-Benz Of Belfast, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £4,604 (3%) under the AskCar estimate of £119,599.

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 408 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 7 November 2026.

A 2023 Mercedes-Benz G Class with the 2.9 diesel engine is typically advertised at £113,300: the median of the 18 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2023 Mercedes-Benz G Class has been on sale for at least 64 days.

Price history

AskCar first saw this advert on 4 September 2026 at £119,995. Its asking price is now £114,995, £5,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 4 September 2026: £119,995
• 19 September 2026: £118,695
• 21 October 2026: £117,995
• 6 November 2026: £114,995

Mileage and MOT

Advertised mileage is about 5,400 miles lower than the median mileage of a 2023 Mercedes-Benz G Class on AskCar.

Similar cars

17 other 2023 Mercedes-Benz G Class AMG Line Premium Plus 2.9 diesel automatic SUVs are for sale at UK dealers, from £102,500 to £124,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz G Class AMG Line Premium Plus, 2.9 diesel SUV, grey. Mileage: 16,267 miles. Price: £124,990, £9,995 more than this car. Dealer: Acklam Cars in Acklam. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2023-c3b1cc2df711
• 2023 Mercedes-Benz G Class AMG Line Premium Plus, 2.9 diesel SUV, blue. Mileage: 13,000 miles. Price: £114,980, the same price as this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2023-807c3cbd905a
• 2023 Mercedes-Benz G Class AMG Line Premium Plus, 2.9 diesel SUV, white. Mileage: 23,000 miles. Price: £112,990, £2,005 less than this car. Dealer: Starline Car Sales in Stamford. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2023-cab7740cf0d4

• The nearest: 2023 Mercedes-Benz G Class AMG Line Premium Plus, 2.9 diesel SUV, silver, 110 miles from this car. Mileage: 47,500 miles. Price: £102,500, £12,495 less than this car. Dealer: Tollcross Garage (1961) in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2023-b3d8dd67f386