2021 Mercedes-Benz G Class

5.4 AMG Auto 4WD Euro 5 5dr (499 bhp)

£35,950

Far under the typical £139,267 for this model, age and mileage, drawing on 408 adverts of this make and model: £103,317 less. Worth asking why.

Overview

Make: Mercedes-Benz
Model: G Class
Trim: AMG
Version: 5.4 AMG Auto 4WD Euro 5 5dr (499 bhp)
Mileage: 60,000 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Engine: 5.4 L
Gearbox: Automatic
Power: 499 bhp
Seats: 5
CO2: 372 g/km
Colour: White
Doors: 5
Driven wheels: Four Wheel Drive
Emissions standard: Euro 5

About this car

With 60,000 miles on the clock, this 2021 Mercedes-Benz G Class AMG has done roughly 23,900 more miles than a typical 2021 Mercedes-Benz G Class. The dealer is asking £35,950, which is £103,317 below our market estimate of £139,267. We recommend confirming the advertised price and vehicle details. To estimate its market asking price, we analyse UK dealer adverts for 408 Mercedes-Benz G Class cars across different ages and specifications. The asking price is now £4,000 lower than when we first recorded the advert 150 days ago. It is advertised by Quality Motor Company in Iver.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 150 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £4,000 from the first recorded £39,950. 4 price reductions recorded, the latest observed on 4 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£39,950
14 July 2026	£39,950
23 July 2026	£38,950
29 July 2026	£37,950
7 August 2026	£36,950
8 August 2026	£36,950
4 October 2026	£35,950
23 October 2026	£35,950

Price and mileage comparison

Estimated market asking price: £139,267. The asking price is £103,317 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 23,900 miles higher than typical for a 2021 Mercedes-Benz G Class.

18 other cars with the same year, trim, gearbox and fuel are for sale from £83,991 to £179,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£83,991	13,991 miles
£114,995	68,200 miles
£115,990	65,600 miles
£119,995	61,500 miles
£121,995	68,000 miles

These cars have covered 12,719–70,000 miles, compared with 60,000 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 · 2021 Mercedes-Benz G Class price guide

Vehicle photos

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