2018 Porsche 718 Boxster

The 2018 Porsche 718 Boxster is a mid-engine sports car known for its exceptional handling and engaging driving experience. The base model is equipped with a 2.0-liter turbocharged flat-four engine producing 300 horsepower and 280 lb-ft of torque. Other engine options include a 2.5-liter turbocharged flat-four engine in the Boxster S, delivering 350 horsepower and 309 lb-ft of torque, and a high-performance 2.5-liter turbo flat-four in the GTS model, with 365 horsepower and 317 lb-ft of torque. Transmission choices include a standard 6-speed manual and an optional 7-speed PDK dual-clutch automatic. The car is widely praised for its precise steering, balanced chassis, and powerful engines. However, some owners have reported issues ranging from minor inconveniences to more significant mechanical problems, impacting the ownership experience. Common dislikes include the flat-four engine sound compared to the previous flat-six engines and some infotainment system quirks.

Engine

2.0L Turbocharged Flat-Four

• Coolant Leaks
  • Description/Symptoms: Coolant level drops without an obvious external leak. Coolant smell in the engine bay. Overheating may occur.
  • Solution: Inspect and replace leaking water pump or coolant hoses.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found

2.5L Turbocharged Flat-Four (Boxster S/GTS)

• Turbocharger Failure
  • Description/Symptoms: Loss of power, unusual noises (whining or whistling) from the turbocharger, check engine light.
  • Solution: Replace the failed turbocharger.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found

Transmission

7-Speed PDK (Dual-Clutch Automatic)

• Shifting Hesitation/Roughness
  • Description/Symptoms: Hesitation during gear changes, especially during spirited driving. Jerky or rough shifts.
  • Solution: PDK fluid flush and filter replacement. In severe cases, valve body repair or replacement may be necessary.
  • Estimated Cost to Fix: $400 - $800 for fluid/filter, $2,000 - $5,000+ for valve body.
  • Recalls: None Found

Suspension

• PASM (Porsche Active Suspension Management) Damper Failure
  • Description/Symptoms: Knocking or clunking noise from the suspension, uneven ride height, poor handling, PASM error message.
  • Solution: Replace the faulty PASM damper.
  • Estimated Cost to Fix: $1,000 - $2,000+ per damper.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Rebooting
  • Description/Symptoms: The Porsche Communication Management (PCM) system freezes, becomes unresponsive, or spontaneously reboots.
  • Solution: Software update. If the problem persists, the PCM unit may need replacement.
  • Estimated Cost to Fix: $0 - $200 for software updates, $1,500 - $3,000+ for PCM replacement.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: The battery drains quickly, especially if the car is not driven for extended periods.
  • Solution: Identify parasitic drain. May be caused by faulty control modules or aftermarket accessories.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the cause.
  • Recalls: None Found

Exterior

• Convertible Top Issues
  • Description/Symptoms: Failure of the convertible top mechanism, difficulty opening or closing, leaks around the top seals.
  • Solution: Repair or replace the convertible top motor, hydraulic cylinders, or seals.
  • Estimated Cost to Fix: $500 - $3,000+ depending on the extent of the damage.
  • Recalls: None Found

Interior

• Air Conditioning Failure
  • Description/Symptoms: Air conditioning blows warm air, compressor fails to engage, or system leaks refrigerant.
  • Solution: Recharge the refrigerant, replace the compressor, condenser, or other faulty components.
  • Estimated Cost to Fix: $200 - $2,000+
  • Recalls: None Found

Summary

The 2018 Porsche 718 Boxster offers a thrilling driving experience, but like any vehicle, it is not without its potential issues. Engine issues such as coolant leaks and turbocharger failure can be costly to repair. PDK transmission problems can also lead to expensive repairs. Electrical issues, particularly with the infotainment system and battery drain, are also relatively common and can be frustrating. Suspension issues with the PASM dampers and issues with the convertible top mechanism, and A/C system are also common. The severity of these issues ranges from minor inconveniences to major mechanical failures, with repair costs varying accordingly. Prospective buyers should be aware of these potential problems and consider a pre-purchase inspection by a qualified Porsche mechanic to assess the vehicle’s condition.