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All website features may not be available based upon your cookie consent elections. Privacy center (Do not sell or share my personal information) to update settings. High mileage oil The typical automobile on the road today is more than 11.8 years old*. That’s because drivers are keeping their cars longer or opting to purchase pre-owned vehicles instead of new models. And unless you own a classic car that you drive only under certain conditions, you probably have lots of miles on your pre-owned engine. *Based on an IHS Markit analysis using a snapshot of vehicles in operation on Jan. 1, 2019.

Caring for older, high mileage vehicles

Today’s vehicles are generally capable of racking up more miles than cars and trucks of a generation ago, but the secret to true vehicular longevity is still the same: regular maintenance.

High mileage vehicles need tender loving care on a number of fronts. To get long life from your engine, remember to:

• Top off all fluids
• Check the coolant level, especially in the warmer months
• Inspect filters, belts and hoses

Also, be sure to get your tune-ups at the manufacturer’s recommended intervals. Most of all, your high mileage engine needs regular oil changes. As vehicles and their engines age, their moving parts can wear and potentially need even greater lubricant protection. And while your high mileage engine won’t turn its nose up at regular engine oil, it will thank you for using oil specifically formulated for high mileage engines. Is high mileage oil worth it? High mileage engines – those with more than 75,000 miles – face a number of potential problems that high mileage oil is specifically formulated to help address. Some high mileage oils, such as Mobil 1™ Extended Performance High Mileage, Mobil 1™ High Mileage and Mobil Super™ High Mileage, contain engine oil additives and conditioners that help to combat:

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  Engine oil sludge

  Sludge is a semi-solid residue that can build up in an engine as the result of oil thickening or breakdown, most often the result of too-infrequent oil changes. High mileage oil can help remove engine sludge and reduce wear in older engines.

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  Engine oil consumption and leaks

  Over time, an engine's seals can erode, causing engine oil to leak. Additives in certain high mileage oils can help protect worn seals and keep leaks from forming. Older vehicles tend to burn more oil and Mobil 1 High Mileage helps reduce oil loss caused by burn-off, particularly on cylinder walls due to leakage past the oil control ring.

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  General engine wear and tear

  As engines age, they can increasingly wear out. Mobil 1 Extended Performance High Mileage and Mobil 1 High Mileage oils offer exceptional wear protection to help prevent wear and protect critical engine components – a claim supported by the industry-accepted Sequence IVA engine wear test.

Mobil 1 Extended Performance High Mileage

If you’re unsure about the maintenance history of your vehicle and you want to extend your oil change intervals, then Mobil 1™ Extended Performance High Mileage advanced full synthetic motor oil is the best choice. Why? This high mileage oil not only offers the benefits of Mobil 1 High Mileage oil (detailed below), it is also designed to protect critical engine parts for 20,000 miles between oil changes.

Mobil 1 High Mileage

If you know your vehicle has received regular oil changes at the manufacturer’s Mobil 1™ High Mileage synthetic motor oil is the best choice. Why? This high mileage oil contains a higher base oil viscosity to help reduce leaks and provide better high temperature protection. Mobil 1 High Mileage also provides exceptional wear protection of critical engine components. Plus, if your engine contains excessive sludge deposits due to less-than-adequate maintenance practices, this high mileage oil can help by reducing this sludge.

High mileage full synthetic vs. high mileage synthetic blend

For added protection, consider using a high mileage synthetic or synthetic blend oil rather than a conventional motor oil. Unlike conventional oil, which is simply refined crude oil, synthetic oil is distilled, purified and broken down into its basic molecules. It is then rebuilt and improved with additives formulated to better protect against wear, high heat, cold weather and sludge buildup. High mileage synthetic oils help your car’s engine, young or old, run better for longer. And if you’re searching for the best high mileage motor oil, you can rest assured that the Mobil 1™ family of motor oils offers exceptional wear protection – a claim supported by the industry-accepted Sequence IVA engine wear test.

But which high mileage oil should I choose for my vehicle?

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