2020 Mercedes-Benz G Class

4.0 G63 V8 BiTurbo AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+9GT (577 bhp)

£114,995

Fair price: within 8% of the typical £109,133 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: 4.0 G63 V8 BiTurbo AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+9GT (577 bhp)
Mileage: 69,000 miles
Year: 2020
Fuel type: Petrol
Body type: SUV
Engine: 4.0 L
Gearbox: Automatic
Power: 577 bhp
Seats: 5
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: G63 V8 BiTurbo
Emissions standard: Euro 6

About this car

At 69,000 miles, this 2020 Mercedes-Benz G Class AMG has covered about 23,800 more miles than other 2020 Mercedes-Benz G Class cars. Our estimated market asking price is £109,133. This car is advertised at £114,995, which is £5,862 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 408 Mercedes-Benz G Class cars across different ages and specifications. We first recorded this car for sale 150 days ago. It is for sale at Harentor Cars in St. Albans.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 150 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£114,995
7 July 2026	£114,995
23 October 2026	£114,995

Price and mileage comparison

Estimated market asking price: £109,133. The asking price is £5,862 above 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 23,800 miles higher than typical for a 2020 Mercedes-Benz G Class.

24 other cars with the same year, trim, gearbox and fuel are for sale from £107,894 to £240,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£107,894	71,008 miles
£108,949	75,000 miles
£109,990	60,300 miles
£109,995	67,500 miles
£116,990	46,600 miles

These cars have covered 3,506–75,000 miles, compared with 69,000 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 · 2020 Mercedes-Benz G Class price guide

Vehicle photos

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