Purpose and Specifications

Experience elite protection with Mobil 1 C40 GT 0W-40 1L, the advanced full synthetic engine oil engineered exclusively for high-performance Porsche GT engines like the 911 GT3 (991 and newer) and 911 GT3 Cup. Its unique green color signals Porsche C40 GT specification compliance, delivering outstanding engine cleanliness, sludge control, and wear protection during extreme track or road conditions.

This premium oil flows effortlessly at cold starts down to -35°C for quick protection and maintains a tough film at high temperatures over 150°C, reducing oil breakdown for full drain interval coverage. Active cleaning agents keep internals spotless, while enhanced friction properties boost fuel economy without sacrificing power.

• Perfect for Porsche GT models requiring C40 GT spec
• 1L bottle ideal for precise top-ups or partial changes
• Shelf life: 5 years unopened in cool, dry storage

When to Use / Replace?

Use Mobil 1 C40 GT 0W-40 in Porsche GT engines for track days, high-revving drives, or hot climates where standard oils fail. Replace every 10,000-15,000 km or 12 months for street use, or 5,000 km/6 months for racing to maintain peak performance and prevent wear.

Check oil level monthly; top up with this exact spec to avoid compatibility issues. Its thermal stability protects through extended drains up to manufacturer limits.

Frequently Asked Questions

Is this the right oil for my Porsche 911 GT3?
Yes, it's Porsche-required for 991+ GT3 and Cup models under C40 GT spec for ultimate high-temp protection.

Can I use it in colder weather?
Absolutely, the 0W rating ensures smooth flow and protection from -35°C up, perfect for year-round use.

How often should I change it?
Aim for 10,000-15,000 km or annually for road cars; halve intervals for track abuse to keep your engine pristine.