2021 Mercedes-Benz G Class 4.0
Price: £115,000. Fair price: £4,212 (3%) over the AskCar estimate of £110,788, our expected asking price for this car from its model, age, mileage and specification, drawing on 414 priced Mercedes-Benz G Class adverts on AskCar as of 9 November 2026.
AskCar lists 481 used Mercedes-Benz G Class from 282 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: G Class
- Version: 4.0 Auto 4WD Euro 6 5dr (577 bhp)
- Year: 2021
- Mileage: 76,466 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 4.0 litres, 577 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Red
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Mercedes-Benz G Class has covered 76,466 miles, around 40,500 more miles than is typical for its age. The AskCar estimate for this car is £110,788. It is priced at £115,000, which is £4,212 above that estimate. The AskCar estimate uses 414 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 25 days ago. The seller is Marshall Mercedes-Benz Of Bolton, based in Bolton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Marshall Mercedes-Benz Of Bolton is rated 4.2 out of 5 on Google.
Price
Fair price: £4,212 (3%) over the AskCar estimate of £110,788.
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 414 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 9 November 2026.
A 2021 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £136,200: the median of the 30 for sale on AskCar, as of 9 November 2026.
Time on sale
This 2021 Mercedes-Benz G Class has been on sale for at least 25 days.
Price history
AskCar first saw this advert on 15 October 2026 at £115,000. Its asking price has not changed.
Price changes recorded:
- 15 October 2026: £115,000
- 16 October 2026: £116,800
- 23 October 2026: £117,100
- 30 October 2026: £116,000
- 6 November 2026: £115,000
Mileage and MOT
Advertised mileage is about 40,500 miles higher than the median mileage of a 2021 Mercedes-Benz G Class on AskCar.
Browse all Mercedes-Benz G Class cars for sale · 2021 Mercedes-Benz G Class price guide
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Photos
74 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.