2020 Mercedes-Benz G Class

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

£107,894

Fair price: within 8% of the typical £107,594 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: 71,008 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

At 71,008 miles, this 2020 Mercedes-Benz G Class AMG has covered about 25,800 more miles than other 2020 Mercedes-Benz G Class cars. Its asking price of £107,894 is £300 above our estimate of £107,594. 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 saw this car advertised 88 days ago. Its asking price has since fallen by £8,565. The recorded MOT expired on 17 September 2026, so ask the dealer whether it has been renewed. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. You can find this car at The Gemini Group in Nottingham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 July 2026, 88 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £8,565 from the first recorded £116,459. 3 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observed	Asking price
29 July 2026	£116,459
4 August 2026	£111,459
5 August 2026	£111,459
7 September 2026	£107,894
11 September 2026	£109,894
7 October 2026	£112,894
17 October 2026	£107,894
23 October 2026	£107,894

Price and mileage comparison

Estimated market asking price: £107,594. The asking price is £300 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 25,800 miles higher than typical for a 2020 Mercedes-Benz G Class.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 17 September 2026. 51,809 miles at the last test.

24 other cars with the same year, trim, gearbox and fuel are for sale from £108,949 to £240,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£108,949	75,000 miles
£109,990	60,300 miles
£109,995	67,500 miles
£114,995	69,000 miles
£116,990	46,600 miles

These cars have covered 3,506–75,000 miles, compared with 71,008 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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