Price: $26.27 - $22.33
(as of Oct 07, 2025 09:39:50 UTC – Details)
Castrol® GTX® Full Synthetic provides maximum protection to help fight the impact of severe conditions that can potentially shorten engine life. Castrol® GTX® Full Synthetic dramatically reduces engine wear. Plus it cleans away old sludge* and protects against new sludge formation better than required by the latest industry standard. *When tested in engines with high level of sludge
6X better wear protection on critical engine parts than industry standards**
1.3X better sludge protection than industry standards*
3X Stronger against viscosity breakdown than leading full synthetic^
Protection for 10,000 miles between oil changes
Meets or exceeds the following specifications: API SP/SN PLUS/SN | ILSAC GF-6 | GM dexos1 Gen 3 | Meets Ford WSS-M2C947-B1 | Meets Ford WSS-M2C962-A1 |
Customers say
Customers find this synthetic motor oil to be of excellent quality and good value. The oil performs well, with cars running great, and one customer noting it works particularly well in Camaro SS and Subaru models. They appreciate its durability, with one reporting their truck running after thousands of miles, and its effectiveness in preventing leaks. Customers find it easy to pour and appreciate its smooth engine operation, with one mentioning it extends change mileage to 6,000 miles.

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