2021 Mercedes-Benz G Class

2.9 G400d AMG Line Premium Auto 4WD Euro 6 5dr (325 bhp)

£87,989

Fair price: within 8% of the typical £93,215 for this model, age and mileage, drawing on 408 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
G Class
Trim
AMG LINE PREMIUM
Version
2.9 G400d AMG Line Premium Auto 4WD Euro 6 5dr (325 bhp)
Mileage
66,000 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.9 L
Gearbox
Automatic
Power
325 bhp
Seats
5
CO2
281 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
G400d
Emissions standard
Euro 6

About this car

At 66,000 miles, this 2021 Mercedes-Benz G Class AMG Line Premium has covered about 29,900 more miles than other 2021 Mercedes-Benz G Class cars. The dealer is asking £87,989, which is £5,226 below our market estimate of £93,215. Our estimate draws on 408 Mercedes-Benz G Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 15 days ago. MOT records show an expiry date of 1 May 2027, and the latest recorded mileage is consistent with the advert. It is advertised by Blackstone Motors in White City.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 11 October 2026, 15 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observedAsking price
13 October 2026£87,989
23 October 2026£87,989

Price and mileage comparison

Estimated market asking price: £93,215. The asking price is £5,226 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 29,900 miles higher than typical for a 2021 Mercedes-Benz G Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 May 2027. 64,197 miles at the last test.

8 other cars with the same year, trim, gearbox and fuel are for sale from £74,995 to £124,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£74,995102,000 miles
£89,94858,000 miles
£89,99066,552 miles
£92,99955,000 miles
£96,50050,429 miles

These cars have covered 36,743–102,000 miles, compared with 66,000 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

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