Pennzoil, qt. 10W30, high mileage vehicle motor oil, meets the needs of vehicles that have accumulated more than 75,000 miles, active cleansing agents that continuously help prevent dirt & contaminants from turning into performance robbing deposits, helping keep your engine clean to maintain responsiveness, blended to higher viscosity & lower volatility than our conventional oils to reduce oil consumption due to burn off & the higher end of the viscosity range, & incorporates a special seal conditioning agent that helps reduce leaks from worn or stiff seals, actively helps keep high mileage engines clean, extends engine life, helps condition engine seals, helps prevent engine leaks & oil burn off, provides enhanced protection for worn engine parts & helps reduce oil consumption.