2020 Mercedes-Benz G Class 4.0

Overview

• Make: Mercedes-Benz
• Model: G Class
• Version: 4.0 Auto 4WD Euro 6 5dr (576 bhp)
• Year: 2020
• Mileage: 70 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 576 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz G Class has covered 70 miles, around 44,800 fewer miles than is typical for its age. Its asking price of £396,000 is £222,921 above the AskCar estimate of £173,079. To work out the AskCar estimate, we analyse UK dealer adverts for 411 Mercedes-Benz G Class cars across different ages and specifications. We first recorded this car for sale 166 days ago. You can find this car at Ventura collection in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £222,921 (128%) over the AskCar estimate of £173,079.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 411 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 10 November 2026.

A 2020 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £125,000: the median of the 31 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2020 Mercedes-Benz G Class has been on sale for at least 166 days.

Price history

AskCar first saw this advert on 28 May 2026 at £396,000. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 44,800 miles lower than the median mileage of a 2020 Mercedes-Benz G Class on AskCar.

The advertised mileage of 70 miles looks wrong for a 2020 car; check it with the dealer.