2018 Mercedes-Benz G Class

5.5 G63 V8 BiTurbo AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+7GT (563 bhp)

£68,995

Good value: £11,038 under the typical £80,033 for this model, age and mileage, drawing on 408 adverts of this make and model.

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)
Mileage: 49,521 miles
Year: 2018
Fuel type: Petrol
Body type: SUV
Engine: 5.5 L
Gearbox: Automatic
Power: 563 bhp
Seats: 5
CO2: 322 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: G63 V8 BiTurbo
Emissions standard: Euro 6

About this car

With 49,521 miles on the clock, this 2018 Mercedes-Benz G Class AMG has done roughly 2,500 more miles than a typical 2018 Mercedes-Benz G Class. At £68,995, it is advertised £11,038 below our estimated market asking price of £80,033. Our estimate draws on 408 Mercedes-Benz G Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 122 days ago, and its asking price has since fallen by £1,000. It may give you a starting point for a conversation about price. MOT records show an expiry date of 18 June 2027, and the latest recorded mileage is consistent with the advert. It is for sale at 911 Box in Keston.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 June 2026, 122 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,000 from the first recorded £69,995. 1 price reduction recorded, the latest observed on 4 September 2026.

Recorded asking prices
Date observed	Asking price
25 June 2026	£69,995
6 July 2026	£69,995
4 September 2026	£68,995
23 October 2026	£68,995

Price and mileage comparison

Estimated market asking price: £80,033. The asking price is £11,038 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 408 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,500 miles higher than typical for a 2018 Mercedes-Benz G Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 June 2027. 49,383 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £61,909 to £499,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£61,909	71,000 miles
£64,995	60,500 miles
£74,985	41,586 miles
£74,995	32,927 miles
£99,500	70,000 miles

These cars have covered 21,000–71,000 miles, compared with 49,521 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz G Class cars for sale · 2018 Mercedes-Benz G Class price guide

Vehicle photos

AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.