2020 Mercedes-Benz G Class
4.0 AMG Auto 4WD Euro 6 5dr (577 bhp)
£129,995
Fair price: within 8% of the typical £141,085 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 AMG Auto 4WD Euro 6 5dr (577 bhp)
- Mileage
- 18,000 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
- Emissions standard
- Euro 6
About this car
This 2020 Mercedes-Benz G Class AMG has covered 18,000 miles, around 27,200 fewer than typical for its age. Its asking price of £129,995 is £11,090 below our estimate of £141,085. The estimate uses 408 UK dealer adverts for the Mercedes-Benz G Class, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 96 days ago. The seller is Andreas Prestige, based in Slough.
Stock data from 23 October 2026.
Price history
First seen on 20 July 2026, 96 days ago. Advert duration calculated on 24 October 2026.
| Date observed | Asking price |
|---|---|
| 20 July 2026 | £129,995 |
| 23 October 2026 | £129,995 |
Price and mileage comparison
Estimated market asking price: £141,085. The asking price is £11,090 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 27,200 miles lower 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.
| Asking price | Mileage |
|---|---|
| £107,894 | 71,008 miles |
| £108,949 | 75,000 miles |
| £109,990 | 60,300 miles |
| £109,995 | 67,500 miles |
| £114,995 | 69,000 miles |
These cars have covered 3,506–75,000 miles, compared with 18,000 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
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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- 2020 Mercedes-Benz G Class photo 27
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