Pennzoil Platinum Full Synthetic 5W-30 motor oil maximizes engine protection and is backed by a 15,000-mile protection guarantee* (see Warranty Information below) to help you go longer between oil changes. Made with natural gas, its base oil is 99.5% free from engine clogging impurities. Pennzoil Platinum keeps pistons up to 45% cleaner than required by the toughest industry standard (based on Sequence IIIH results), helps protect engines from loss of power, provides unsurpassed wear protection (based on Sequence IVA wear test using SAE 5W-30), and provides excellent performance in extreme temperatures. No other leading synthetic oil provides better wear protection from friction (based on Sequence IVA wear test using SAE 5W-30).