Pennzoil Conventional High Mileage Motor Oil 5 QT Bottle
High Mileage Conventional Motor Oil

Pennzoil® High Mileage

Pennzoil High Mileage motor oil helps clean out the sludge lesser oils leave behind, while helping to reduce leaks and oil consumption in worn or higher mileage engines.1

Pennzoil High Mileage motor oil is a Pennzoil conventional motor oil that has been enhanced with a unique combination of special conditioning agents and additives to help stop leaks from seals and reduce the oil consumption that is typical of older, worn engines. It’s a high mileage oil specifically designed for new or late model vehicles with over 75,000 miles, with the mission of keeping engines running clean and going strong.

Compare Pennzoil motor oils.

Formulations Available Grades

SAE 5W-20

SAE 5W-30

SAE 10W-30

SAE 10W-40

1Based on severe sludge clean-up test using SAE 5W-30. Engines over 75,000 miles.



What are the benefits of high mileage oil?
  • No leading high mileage oil provides better wear protection2
  • Backed by the Pennzoil Lubrication Limited Warranty

2Based on Sequence IVA wear test using SAE 5W-30.


Oil Specifications

Pennzoil® High Mileage Motor Oil

Exceeds the requirements of the following industry specifications:

Industry Specifications

API SN (5W-20, SAE 5W-30, SAE 10W-30, SAE 10W-40, SAE 25W-60*)
API SL, SJ (SAE 25W-60*)
ILSAC GF-5 (SAE 5W-20, SAE 5W-30, SAE 10W-30)

Specifications may vary by viscosity grade. These specifications are to be used as guidelines only. Please refer to your individual vehicle owner's manual for proper viscosity grade and specification of oil to use.


10 year warranty
Learn about our Pennzoil Lubrication Limited Warranty

FREE coverage up to 10 years/300,000 miles

  • Free warranty with purchase of any Pennzoil® motor oil
  • Coverage up to 300,000 miles or 10 years (whichever is first) if you exclusively use Pennzoil Platinum®, Pennzoil Gold™, Pennzoil® High Mileage or Pennzoil® conventional motor oil
  • Easy to enroll
  • Covers 15 critical engine parts
  • Completely transferable to future owner
  • Customized for each driver’s specific OEM recommended oil change schedule
  • Reminds you when it’s time to change your motor oil