Pennzoil High Mileage Synthetic Blend Motor Oil is designed for engines with more than 75,000 miles, specially formulated to help stop leaks from seals and reduce the oil consumption that is typical of older, worn engines. Severe oil consumption and oil burn-off may also cause other issues, leaving deposits on the internal parts of your engine. Pennzoil High Mileage Motor Oil also helps prevent dirt and sludge from turning into performance-robbing deposits. Pennzoil High Mileage motor oil comes with a warranty coverage of up to 10 years or 300,000 miles, whichever comes first. (Pennzoil Motor Oil Lubrication Limited Warranty: Up to 10-years or 300,000 miles, whichever comes first, if you exclusively use Pennzoil motor oil, Pennzoil Professional motor oil, Pennzoil Gold Synthetic Blend motor oil, Pennzoil High Mileage motor oil. Keep your receipts.