Engines with higher mileage … Pennzoil High Mileage SAE 10W-30 Motor Oil is engineered for cars that have accumulated more than 75,000 miles, particularly those that are experiencing oil leaks and oil burn off. Engines with higher mileage … Pennzoil High Mileage SAE 10W-30 Motor Oil is engineered for cars that have accumulated more than 75,000 miles, particularly those that are experiencing oil leaks and oil burn off. Pennzoil High-Mileage 10W-30 Motor Oil, 1 qt. Available in 5W-20, 5W-30, 10W-30 and 10W-40 viscosities. Menu Categories Digital Coupons Weekly Ad Inspiration DG Tips & Hacks DG Easy Meals DG Crafts DG Finds BeautyCents Beauty Zone For the Home DG … Pennzoil Platinum High Mileage SAE 10W-30 is a full synthetic motor oil made from natural gas, not crude oil. "Pennzoil High Mileage SAE 10W-30 Motor Oil is engineered for cars that have accumulated more than 75,000 miles, particularly those that are experiencing oil leaks and oil burn off. Pennzoil High Mileage SAE 10W-30 Motor Oil is engineered for cars that have accumulated more than 75,000 miles, particularly those that are experiencing oil leaks and oil burn off. It is uniquely engineered from our revolutionary PurePlusâ ¢ gas-to-liquid technology which is a patented process that converts pure natural gas into a high … Pennzoil High Mileage SAE 10W-30 Motor Oil is engineered for cars that have accumulated more than 75,000 miles, particularly those that are experiencing oil leaks and oil burn off. Pennzoil® High Mileage motor oil is formulated to help stop leaks from seals and reduce oil consumption in worn engines. Pennzoil High Mileage 10W-30 motor oil is a passenger car engine oil that has been enhanced with a unique combination of conditioning agents and additives to help stop seal leaks and reduce oil consumption in worn engines. Engines with higher mileage tend to experience more wear than new engines. Engines with higher mileage … Engines with higher mileage tend to experience more wear than new engines. I tried every other high mileage motor oils and no other stacks up to this one!â is how one Pennzoil fan reviewed our 10W30 High Mileage Motor Oil.