2018 Porsche 718 Cayman • Compare 4 used cars with valuation

Market overview: Price Analysis (August-2026): A used 2018 Porsche 718 Cayman typically costs between £33,446 and £45,596 • On average, used 2018 Porsche 718 Cayman cars have covered 30,557 miles – with a few high-mileage examples reaching up to 52,749 miles • Depreciation and price trends over the last 12 months for the 2018 Porsche 718 Cayman stand at -£380.