2021 Mercedes-Benz G Class

AMG Auto 4WD Euro 6 5dr (577 bhp)

£142,995

Above the going rate: £12,071 over the typical £130,924 for this model, age and mileage, drawing on 408 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: G Class
Trim: AMG
Version: AMG Auto 4WD Euro 6 5dr (577 bhp)
Mileage: 23,350 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Gearbox: Automatic
Power: 577 bhp
Seats: 5
CO2: 299 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: G63 V8 BiTurbo
Emissions standard: Euro 6

About this car

At 23,350 miles, this 2021 Mercedes-Benz G Class AMG has covered about 12,700 fewer miles than other 2021 Mercedes-Benz G Class cars. The dealer is asking £142,995, which is £12,071 above our market estimate of £130,924. To estimate its market asking price, we analyse UK dealer adverts for 408 Mercedes-Benz G Class cars across different ages and specifications. This car was first seen in our listings data 150 days ago. MOT records show an expiry date of 7 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Romans Of St Albans, based in St Albans.

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.

Recorded asking prices
Date observed	Asking price
29 May 2026	£142,995
11 July 2026	£142,995
23 October 2026	£142,995

Price and mileage comparison

Estimated market asking price: £130,924. The asking price is £12,071 above 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 12,700 miles lower than typical for a 2021 Mercedes-Benz G Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 7 April 2027. 13,739 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £35,950 to £179,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£35,950	60,000 miles
£83,991	13,991 miles
£114,995	68,200 miles
£115,990	65,600 miles
£119,995	61,500 miles

These cars have covered 12,719–70,000 miles, compared with 23,350 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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