2018 Porsche 718 Cayman • Compare 5 used cars with valuation

Market overview: Price Analysis (October-2026): A used 2018 Porsche 718 Cayman typically costs between £30,591 and £41,528 • On average, used 2018 Porsche 718 Cayman cars have covered 49,942 miles – with a few high-mileage examples reaching up to 80,640 miles • Depreciation and price trends over the last 12 months for the 2018 Porsche 718 Cayman stand at -£2,260.