2021 Mercedes-Benz G Class 4.0

Overview

• Make: Mercedes-Benz
• Model: G Class
• Version: 4.0 Auto 4WD Euro 6 5dr (577 bhp)
• Year: 2021
• Mileage: 24,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 577 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 24,000 miles, this 2021 Mercedes-Benz G Class has covered about 12,000 fewer miles than other 2021 Mercedes-Benz G Class cars. Its asking price of £148,990 is £1,431 below the AskCar estimate of £150,421. The AskCar estimate uses UK dealer asking prices, including 399 Mercedes-Benz G Class adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. The seller is Penny Hill Motors, based in Bagshot. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,431 (under 1%) under the AskCar estimate of £150,421.

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 399 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 2 November 2026.

A 2021 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £137,000: the median of the 27 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz G Class advertised today.

Price history

AskCar first saw this advert on 2 November 2026 at £148,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 12,000 miles lower than the median mileage of a 2021 Mercedes-Benz G Class on AskCar.