2018 Audi RS6 • Compare 5 used cars with valuation

Market overview: Price Analysis (May-2026): A used 2018 Audi RS6 typically costs between £37,990 and £54,995 • On average, used 2018 Audi RS6 cars have covered 55,263 miles – with a few high-mileage examples reaching up to 65,000 miles • Depreciation and price trends over the last 12 months for the 2018 Audi RS6 stand at £0.