Castrol® EDGE® Extended Performance 5W-20 is an advanced full synthetic and Castrol®'s strongest motor oil. This hyper premium lubricant exceeds API and GM dexos test limits as well as the performance requirements of ACEA, the world's most demanding motor oil specification. Boosted with our proprietary additive technology, it provides Ultimate Performance and Protection in 7 Critical Areas including the highest level of wear protection and thermal stability along with the strength to maintain your vehicles performance for an extended drain interval of 25,000 miles.
3X Stronger than the leading full synthetic*
Highest level of wear protection
50X Better High Temperature performance**
25,000 miles between oil changes***
*Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade
**As measured in Seq IIH test vs. API SQ test limits
***Or one year, whichever comes first