2018 Mercedes-Benz G Class 5.5 G63 V8 BiTurbo AMG
Price: £61,909. Good value: £7,683 (11%) under the AskCar estimate of £69,592, our expected asking price for this car from its model, age, mileage and specification, drawing on 408 priced Mercedes-Benz G Class adverts on AskCar as of 7 November 2026.
AskCar lists 475 used Mercedes-Benz G Class from 281 UK dealerships, as of 7 November 2026.
Overview
- Make: Mercedes-Benz
- Model: G Class
- Trim: AMG
- Version: 5.5 G63 V8 BiTurbo AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+7GT (563 bhp)
- Year: 2018
- Mileage: 71,000 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 5.5 litres, 563 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Black
- CO2: 322 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 71,000 miles, this 2018 Mercedes-Benz G Class AMG has covered about 19,000 more miles than other 2018 Mercedes-Benz G Class cars. The dealer is asking £61,909, which is £7,683 below the AskCar estimate of £69,592. 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 £1,000. Its advertised mileage matches the government's MOT record. You can find this car at R & W Motor Co (Gb) in Virginia Water. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £7,683 (11%) under the AskCar estimate of £69,592.
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.
Time on sale
This 2018 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 £62,909. Its asking price is now £61,909, £1,000 less. The latest price cut was seen on 29 September 2026.
Price changes recorded:
- 4 September 2026: £62,909
- 29 September 2026: £61,909
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 22 May 2027.
It has had 7 MOTs. The latest, on 23 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 69,086 miles, which matches the advertised 71,000 miles.
Advertised mileage is about 19,000 miles higher than the median mileage of a 2018 Mercedes-Benz G Class on AskCar.
Similar cars
5 other 2018 Mercedes-Benz G Class AMG 5.5 petrol automatic SUVs are for sale at UK dealers, from £64,995 to £499,995, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2018 Mercedes-Benz G Class AMG, 5.5 petrol SUV, black. Mileage: 60,500 miles. Price: £64,995, £3,086 more than this car. Dealer: CSH Performance in Elland. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-3960191befe7
- 2018 Mercedes-Benz G Class AMG, 5.5 petrol SUV, black. Mileage: 49,521 miles. Price: £64,995, £3,086 more than this car. Dealer: 911 Box in Bromley. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-206265e85716
- 2018 Mercedes-Benz G Class AMG, 5.5 petrol SUV, black. Mileage: 41,586 miles. Price: £74,985, £13,076 more than this car. Dealer: The Car Factory in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2018-c323c6f5172a
Browse all Mercedes-Benz G Class cars for sale · 2018 Mercedes-Benz G Class price guide
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Photos
87 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.