Owners and shops cite a consistent set of preventative maintenance items: water pump (50-60k miles), air-oil separator (AOS, ~90k miles), spark plugs and coil packs (time-based), serpentine belt, brake fluid every 2 years, and PDK service at 60k miles, with annual ownership costs estimated at $1,000-$2,000.
Common preventative maintenance items at mileage
Porsche Cayman (987) · mechanical