2020 Mercedes-Benz G Class

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

£122,990

Fair price: within 8% of the typical £119,410 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
55,100 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
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
G63 V8 BiTurbo
Emissions standard
Euro 6

About this car

This 2020 Mercedes-Benz G Class AMG is advertised with 55,100 miles, approximately 9,900 above the typical mileage for its age. Our estimated market asking price is £119,410. This car is advertised at £122,990, which is £3,580 above that figure. The estimate uses 408 UK dealer adverts for the Mercedes-Benz G Class, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 61 days ago. Its recorded MOT is valid until 14 January 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Noya Motor Group in Peterborough.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 August 2026, 61 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observedAsking price
25 August 2026£122,990
23 October 2026£122,990

Price and mileage comparison

Estimated market asking price: £119,410. The asking price is £3,580 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 14 January 2027. 51,869 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 55,100 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

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Vehicle photos

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