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Porsche 911 GT3 / GT3 RS (991) Maintenance Schedule

Porsche 911 GT3 (991) Maintenance & Service Schedule

The Porsche 911 GT3 (991) represents a new era for Porsche’s track-focused road cars, featuring a high-revving 9,000 RPM flat-six, rear-wheel steering, and cutting-edge aerodynamics. However, to keep this high-performance machine in optimal condition, following a proper maintenance and service schedule is essential—especially if it has seen track use.

In this recommended maintenance guide, we’ll cover key service intervals for oil changes, brake fluid flushes, transmission servicing, suspension inspections, and more to ensure your 991 GT3 stays sharp and reliable. While Porsche provides factory service recommendations, GT3s that have been driven aggressively or tracked may require shorter service intervals—particularly for engine oil, transmission fluid, and brake components. If you’re unsure about your car’s history or how it has been used, it’s always best to consult a Porsche specialist to tailor a maintenance plan to your specific needs. Whether you’re using your 991 GT3 for weekend drives or pushing it to the limits on track, proactive maintenance is the key to keeping its naturally aspirated masterpiece running flawlessly. Let’s dive into the details and ensure your GT3 is always ready for the next drive!

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