Pennzoil,high mileage motor oil has been enhanced with conditioning agents to help stop leaks from seals and reduce the oil consumption that is typical of older, worn engines. it's a motor oil that is specifically designed for vehicles with over 75,000 miles to help keep the engines running clean and going strong. pennzoil motor oil provides :unsurpassed wear protection,protection in extreme temperature ,better fuel economy, protects horsepower, cleaner pistons and conditions older seals.