Castrol GTX full synthetic

Available grades and product performance claims:

Maximum protection to help extend engine life

Castrol GTX Full Synthetic provides maximum protection against the impact of severe driving conditions, like heavy traffic and frequent, short trips, that can shorten engine life. It reduces engine wear 6X better than the industry standard.^* Cleans away old sludge^*** and protects against new sludge formation 1.3X better than required.^** Plus, it’s 3X stronger against viscosity breakdown than the leading full synthetic, ensuring maximum protection for up to 10,000 miles between oil changes.  

What are the benefits of GTX Full Synthetic?

Castrol GTX Full Synthetic helps extend engine life with:

• Protection for 10,000 miles between oil changes^×
• 6X better wear protection on critical engine parts*
• 1.3X better sludge protection**
• 3X stronger than the leading full synthetic^
• Also suitable for hybrids (0W-20 grade)

× Up to 10,000 miles or 1 year, whichever comes first

*Based on Seq IVA test vs. latest test limits

**Based on Seq VH results vs. API test limits

^In viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade