2020 Mercedes-Benz G Class

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

£119,900

Fair price: within 8% of the typical £119,436 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
55,059 miles
Year
2020
Fuel type
Petrol
Body type
SUV
Engine
4.0 L
Gearbox
Automatic
Power
577 bhp
Seats
5
CO2
299 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
G63 V8 BiTurbo
Emissions standard
Euro 6

About this car

With 55,059 miles on the clock, this 2020 Mercedes-Benz G Class AMG has done roughly 9,900 more miles than a typical 2020 Mercedes-Benz G Class. Our estimated market asking price is £119,436. This car is advertised at £119,900, which is £464 above that figure. Our estimate draws on 408 Mercedes-Benz G Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 18 days ago. Its asking price has since fallen by £4,000. The latest MOT record shows an expiry date of 16 February 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Baytree Cars in Derby.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 October 2026, 18 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £4,000 from the first recorded £123,900. 1 price reduction recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
6 October 2026£123,900
22 October 2026£119,900
23 October 2026£119,900

Price and mileage comparison

Estimated market asking price: £119,436. The asking price is £464 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 9,900 miles higher than typical for a 2020 Mercedes-Benz G Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 16 February 2027. 50,739 miles at the last test.

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 priceMileage
£107,89471,008 miles
£108,94975,000 miles
£109,99060,300 miles
£109,99567,500 miles
£114,99569,000 miles

These cars have covered 3,506–75,000 miles, compared with 55,059 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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