2021 Mercedes-Benz G Class 4.0 AMG
Price: £131,990. Fair price: £11,389 (7%) under the AskCar estimate of £143,379, our expected asking price for this car from its model, age, mileage and specification, drawing on 421 priced Mercedes-Benz G Class adverts on AskCar as of 12 November 2026.
AskCar lists 489 used Mercedes-Benz G Class from 286 UK dealerships, as of 12 November 2026.
Overview
- Make: Mercedes-Benz
- Model: G Class
- Trim: AMG
- Version: 4.0 AMG Auto 4WD Euro 6 5dr (577 bhp)
- Year: 2021
- Mileage: 29,745 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
This 2021 Mercedes-Benz G Class AMG has covered 29,745 miles, around 6,400 fewer miles than is typical for its age. Its asking price of £131,990 is £11,389 below the AskCar estimate of £143,379. The AskCar estimate uses UK dealer asking prices, including 421 Mercedes-Benz G Class adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 1 day ago. It is for sale at Acklam Cars in Middlesbrough. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 12 November 2026.
Acklam Cars is rated 4.7 out of 5 on Google.
Price
Fair price: £11,389 (7%) under the AskCar estimate of £143,379.
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 421 priced Mercedes-Benz G Class adverts across different ages and specifications, as of 12 November 2026.
A 2021 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £136,000: the median of the 34 for sale on AskCar, as of 12 November 2026.
Time on sale
AskCar first saw this 2021 Mercedes-Benz G Class advertised 1 day ago.
Price history
AskCar first saw this advert on 11 November 2026 at £131,990. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 6,400 miles lower than the median mileage of a 2021 Mercedes-Benz G Class on AskCar.
Similar cars
22 other 2021 Mercedes-Benz G Class AMG 4.0 petrol automatic SUVs are for sale at UK dealers, from £83,991 to £179,995, as of 12 November 2026.
The 3 closest to this car in mileage:
- 2021 Mercedes-Benz G Class AMG, 4.0 petrol SUV, grey. Mileage: 30,000 miles. Price: £133,995, £2,005 more than this car. Dealer: Andreas Prestige in Hillingdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2021-57de5cb88b13
- 2021 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 30,000 miles. Price: £143,995, £12,005 more than this car. Dealer: Sedgley Group in Prestwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2021-37c2c15100ef
- 2021 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 34,101 miles. Price: £136,995, £5,005 more than this car. Dealer: Aim Autos in Tockwith. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2021-947861f33125
Browse all Mercedes-Benz G Class cars for sale · 2021 Mercedes-Benz G Class price guide
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Photos
58 photos of this car are on its AskCar page.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.