2021 Mercedes-Benz G Class

4.0 G 63 AMG 9G-Tronic 4WD Euro 6 5dr Speedshift Plus (576 bhp)

£139,999

Fair price: within 8% of the typical £129,716 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: 4.0 G 63 AMG 9G-Tronic 4WD Euro 6 5dr Speedshift Plus (576 bhp)
Mileage: 48,000 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Engine: 4.0 L
Gearbox: Automatic
Power: 576 bhp
Seats: 5
CO2: 369 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: 9G-Tronic
Engine badge: AMG
Emissions standard: Euro 6

About this car

This 2021 Mercedes-Benz G Class AMG has covered 48,000 miles, around 11,900 more than typical for its age. At £139,999, it is advertised £10,283 above our estimated market asking price of £129,716. We use UK dealer asking prices, including 408 Mercedes-Benz G Class listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 151 days ago. Its recorded MOT is valid until 4 May 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at David Ascott Motors in Greenford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 151 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£134,999
7 July 2026	£134,999
25 September 2026	£139,999
23 October 2026	£139,999

Price and mileage comparison

Estimated market asking price: £129,716. The asking price is £10,283 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 11,900 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 4 May 2027. 47,911 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 48,000 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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