2018 Porsche 991 • Compare 3 used cars with valuation

Market overview: Price Analysis (May-2026): A used 2018 Porsche 991 typically costs between £74,950 and £93,995 • On average, used 2018 Porsche 991 cars have covered 35,546 miles – with a few high-mileage examples reaching up to 73,412 miles • Depreciation and price trends over the last 12 months for the 2018 Porsche 991 stand at £0.