Pennzoil high mileage vehicle motor oil helps clear out the sludge lesser-grade oils leave behind. This conventional motor oil has been enhanced with a combination of special conditioning agents and additives to help stop leaks from seals and reduce the oil consumption in older or worn-out engines. Pennzoil high mileage vehicle motor oil is specifically designed for late model vehicles with over 75,000 miles the lubricant that keeps engines running clean and strong.