2018 Mercedes-Benz G Class 4.0 G63 V8 BiTurbo AMG

Overview

• Make: Mercedes-Benz
• Model: G Class
• Trim: AMG
• Version: 4.0 G63 V8 BiTurbo AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+9GT (577 bhp)
• Year: 2018
• Mileage: 70,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 577 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 299 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz G Class AMG has covered 70,000 miles, around 18,000 more miles than is typical for its age. Its asking price of £99,500 is £2,579 above the AskCar estimate of £96,921. To work out the AskCar estimate, we analyse UK dealer adverts for 413 Mercedes-Benz G Class cars across different ages and specifications. The asking price is now £10,495 lower than when we first recorded the advert 164 days ago. Our records show an MOT expiry date of 10 August 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Large Motor Company in Newbury. 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: £2,579 (2%) over the AskCar estimate of £96,921.

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.

A 2018 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £117,900: the median of the 16 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 Mercedes-Benz G Class has been on sale for at least 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £109,995. Its asking price is now £99,500, £10,495 less. The latest price cut was seen on 27 August 2026.

Price changes recorded:

• 28 May 2026: £109,995
• 16 July 2026: £104,995
• 12 August 2026: £99,500
• 22 August 2026: £107,995
• 27 August 2026: £99,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 10 August 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 11 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 65,289 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 18,000 miles higher than the median mileage of a 2018 Mercedes-Benz G Class on AskCar.

Similar cars

10 other 2018 Mercedes-Benz G Class AMG 4.0 petrol automatic SUVs are for sale at UK dealers, from £103,990 to £165,950, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz G Class AMG, 4.0 petrol SUV, grey. Mileage: 62,569 miles. Price: £103,990, £4,490 more than this car. Dealer: Group 1 Automotive Mercedes-Benz of Stevenage in Stevenage. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-f24644013a04
• 2018 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 62,000 miles. Price: £103,990, £4,490 more than this car. Dealer: Monaco Motorsports in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-c069c3d04e36
• 2018 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 61,000 miles. Price: £119,995, £20,495 more than this car. Dealer: Middlesex Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-09325ec08c89