2021 Mercedes G400 • Compare 4 used cars with valuation

Market overview: Price Analysis (June-2026): A used 2021 Mercedes G400 typically costs between £89,980 and £124,995 • On average, used 2021 Mercedes G400 cars have covered 50,941 miles – with a few high-mileage examples reaching up to 89,000 miles • Depreciation and price trends over the last 12 months for the 2021 Mercedes G400 stand at £0.