2020 Mercedes-Benz G Class 4.0 G63 V8 BiTurbo AMG

Overview

• Make: Mercedes-Benz
• Model: G Class
• Trim: AMG
• Version: 4.0 G63 V8 BiTurbo AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+9GT (577 bhp)
• Year: 2020
• Mileage: 13,800 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 577 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 299 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz G Class AMG has covered 13,800 miles. It first appeared in our advert records 98 days ago. The advertised mileage is lower than the latest MOT reading of 15,737 miles. Check this with the dealer. Our latest MOT record expired on 9 January 2025. Check the current position with the dealer. You can find this car at FS Motors in Feltham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

A 2020 Mercedes-Benz G Class with the 4.0 petrol engine is typically advertised at £124,500: the median of the 32 for sale on AskCar, as of 12 November 2026.

Time on sale

This 2020 Mercedes-Benz G Class has been on sale for at least 98 days.

Price history

AskCar first saw this advert on 6 August 2026.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 12 November 2026: the latest record we hold ran out on 9 January 2025; ask the dealer for the current MOT.

It has had one MOT, on 10 January 2024, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,737 miles. The advert says 13,800 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 30,800 miles lower than the median mileage of a 2020 Mercedes-Benz G Class on AskCar.

Similar cars

27 other 2020 Mercedes-Benz G Class AMG 4.0 petrol automatic SUVs are for sale at UK dealers, from £104,949 to £240,000, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 18,000 miles. Dealer: Andreas Prestige in Hillingdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-5cdcb0840e2c
• 2020 Mercedes-Benz G Class AMG, 4.0 petrol SUV, black. Mileage: 3,506 miles. Dealer: Berkeley Motor Group in Greenford. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-9e4575f4983e
• 2020 Mercedes-Benz G Class AMG, 4.0 petrol SUV, green. Mileage: 25,000 miles. Dealer: The Motoring Team in Chesham. AskCar page: https://askcar.co.uk/car/mercedes-benz-g-class-2020-1d422cff096f