Porsche Cayman GT4 for Sale

What to Look For

• Bore scoring on 3.8L DFI engines (997.2 and 991.1)
• Coolant pipe failures on 997 Turbo
• PDK mechatronic unit failures on early PDK cars
• PASM shock absorber leaks
• High demand means premium prices
• Track use common — check suspension and brakes thoroughly

Pre-Purchase Checklist

• Bore scope all cylinders (especially 3.8L engines)
• Check PDK adaptation values if equipped
• Inspect PASM shocks for leaks
• Verify Sport Chrono, PCCB condition if equipped
• Full compression and leak-down test

Useful Resources

• https://www.pca.org/
• https://rennlist.com/forums/
• https://www.pelicanparts.com/techarticles/
• https://www.planet-9.com/

Frequently Asked Questions

Is the Porsche Cayman GT4 a good investment?

Yes — with an average investment score of 79/100, the Porsche Cayman GT4 is considered a strong investment-grade vehicle.

What is a fair price for a Porsche Cayman GT4?

The median asking price is €96,900, with listings ranging from €56,900 to €208,250. Final transaction prices may differ depending on condition, mileage, and provenance.

How many Porsche Cayman GT4 are for sale?

PistonAlpha currently tracks 260 active Porsche Cayman GT4 listings from dealers and auctions across Europe, updated daily.

What should I look for when buying a Porsche Cayman GT4?

Key areas to inspect: Bore scoring on 3.8L DFI engines (997.2 and 991.1); Coolant pipe failures on 997 Turbo; PDK mechatronic unit failures on early PDK cars; PASM shock absorber leaks. A pre-purchase inspection by a marque specialist is highly recommended.

How have Porsche Cayman GT4 prices changed over time?

Prices have risen from €72,843 (2015) to €82,000 (2025), a gain of 13%. Values peaked at €100,000 in 2022 and have since corrected 18%.