Above Average Affidabilità

Checklist di ispezione pre-acquisto per 2018 Porsche 911

991.2 · 3.0L Twin-Turbo Flat-6 (370hp Carrera) / 3.0L Twin-Turbo Flat-6 (420hp Carrera S) · $90,000 - $130,000

Problemi noti — 2018 Porsche 911

MINOR

Turbocharger wastegate rattle at cold start

MODERATE

Carbon buildup on intake valves requiring periodic walnut blasting

MODERATE

PDK valve body wear on high-mileage units

MODERATE

Oil separator failure causing oil consumption

MODERATE

Coolant seepage near turbocharger plumbing

MINOR

PCM (infotainment) touchscreen responsiveness degradation over time

Cosa controllare

  • Cold start turbo wastegate rattle check
  • Intake valve inspection for carbon deposits
  • PDK smooth shift verification across all modes
  • Check for coolant seepage at turbo plumbing joints
  • Test PCM touchscreen and all connected features
  • Verify oil separator function and review oil consumption

Costi di Manutenzione Previsti

Intervento Intervallo Costo
Major service (spark plugs, filters, fluids) every 30,000 miles $900-$1,500
Intake valve walnut blast cleaning every 40,000-60,000 miles $600-$1,000
PDK transmission fluid every 40,000 miles $300-$500
Brake fluid flush every 2 years $150-$250
Tire replacement (rear 305/30-20) every 15,000-25,000 miles $1,200-$1,800
Annual inspection yearly $400-$700

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