2018 Mercedes-Benz G Class 4.0
Price: £119,495. Fair price: £2,305 (1%) over the AskCar estimate of £117,190, our expected asking price for this car from its model, age, mileage and specification, drawing on 411 priced Mercedes-Benz G Class adverts on AskCar as of 10 November 2026.
AskCar lists 481 used Mercedes-Benz G Class from 281 UK dealerships, as of 10 November 2026.
Overview
- Make: Mercedes-Benz
- Model: G Class
- Version: 4.0 G63 Auto 4WD Euro 6 5dr (577 bhp)
- Year: 2018
- Mileage: 29,650 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 4.0 litres, 577 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Brown
- CO2: 299 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 29,650 miles on the clock, this 2018 Mercedes-Benz G Class has done roughly 24,900 fewer miles than a typical 2018 Mercedes-Benz G Class. Priced at £119,495, it is advertised £2,305 above the AskCar estimate of £117,190. The AskCar estimate uses 411 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 47 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at Jack Henry Group in Tonbridge. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Jack Henry Group is rated 4.7 out of 5 on Google.
Price
Fair price: £2,305 (1%) over the AskCar estimate of £117,190.
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 411 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 10 November 2026.
A 2018 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £117,000: the median of the 17 for sale on AskCar, as of 10 November 2026.
Time on sale
This 2018 Mercedes-Benz G Class has been on sale for at least 47 days.
Price history
AskCar first saw this advert on 24 September 2026 at £119,995. Its asking price is now £119,495, £500 less. The latest price cut was seen on 27 October 2026.
Price changes recorded:
- 24 September 2026: £119,995
- 27 October 2026: £119,495
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 13 May 2027.
It has had one MOT, on 14 May 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 23,869 miles, which matches the advertised 29,650 miles.
Advertised mileage is about 24,900 miles lower than the median mileage of a 2018 Mercedes-Benz G Class on AskCar.
Browse all Mercedes-Benz G Class cars for sale · 2018 Mercedes-Benz G Class price guide
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Photos
37 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.