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: 61,000 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

With 61,000 miles on the clock, this 2018 Mercedes-Benz G Class AMG has done roughly 9,000 more miles than a typical 2018 Mercedes-Benz G Class. The dealer is asking £119,995, which is £16,594 above the AskCar estimate of £103,401. To work out the AskCar estimate, we analyse UK dealer adverts for 414 Mercedes-Benz G Class cars across different ages and specifications. We first recorded this car for sale 165 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Middlesex Motors in Uxbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £16,594 (16%) over the AskCar estimate of £103,401.

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 414 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 9 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 9 November 2026.

Time on sale

This 2018 Mercedes-Benz G Class has been on sale for at least 165 days.

Price history

AskCar first saw this advert on 28 May 2026 at £119,995. 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 9 November 2026: valid until 7 December 2026.

It has had 5 MOTs. The latest, on 8 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 58,857 miles, which matches the advertised 61,000 miles.

Advertised mileage is about 9,000 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 £99,500 to £165,950, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 62,000 miles. Price: £103,990, £16,005 less 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, grey. Mileage: 62,569 miles. Price: £103,990, £16,005 less 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, blue. Mileage: 55,266 miles. Price: £104,490, £15,505 less than this car. Dealer: Marshall Motor Group Lamborghini Poole in Poole. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-12df1008446b

• The nearest: 2018 Mercedes-Benz G Class AMG, 4.0 petrol SUV, blue, 11 miles from this car. Mileage: 47,000 miles. Price: £116,995, £3,000 less than this car. Dealer: GB Vehicles in Edgware. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-ccfa7d7c5a44