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High Mileage Motor Oil Put to the Test. Is Your Car’s Engine Ready for Winter?

Does high mileage motor oil really make a difference compared to regular motor oil? Is it safe for your car’s engine? Will your 75,000 mile-plus car benefit from switching to a high mileage motor oil this winter? That and more when high mileage motor oils are put to the test using Mobil 1 and SuperTech oil brands.


Does High Mileage Motor Oil Live Up to its Marketing Claims?
High mileage motor oils are often advertised as a superior formulation of motor oil that offers any one or all of the following advertising claims: better wear protection, stops oil leaks, combats oil sludge formation, safe for any engine, improved flow under cold weather conditions. But is this true or just more marketing hyperbole? Should you really pay the $20-$25 per quart for your oil change?

Related article: Don't Make These Mistakes with Oil Filters Warns Toyota Mechanic

Let’s find out from the Project Farm YouTube channel where its well-regarded host decides to put the makers of Mobil 1 and SuperTech under scrutiny and analysis with a string of tests that should answer any questions you may have whether spending more for your oil is better care for your car.

Spoiler Alert Below the Video
In case you just want the bare-bones answers, provided below the video in the “And finally…” section you will find out which oil tested best, whether switching to a high mileage oil does or does not appear to make a difference, and the host’s recommendation that he uses on his vehicles.

Is “High Mileage” Motor Oil Safe? Let’s find out! Mobil 1 vs Mobil 1 High Mileage; SuperTech vs STHM

And finally…

Spoiler Alert results:

• High Mileage motor oil does overall outperform regular motor oil.

• Mobil 1 High Mileage is the winner over SuperTech High Mileage oil.

• However, Mobil 1 regular oil appears to perform less well than either type of SuperTech under cold temp conditions. In fact, Mobil 1 regular did extremely poor when cold.

• The host recommends for older cars to choose Mobil 1 High Mileage motor oil over SuperTech High Mileage oil based on moderately better test results overall and because the price is about $5.00 less per quart bottle sold.

For additional articles related to motor oil, here are a few for your consideration:

Not All Engine Oils Are Created Equal Reports This Mechanical Engineer

Will Skipping an Oil Change Void Your Vehicle Warranty?

Consumer Reports Car Experts Have This to Say About Whether You Should Pay More on Synthetic Oil for Your Oil Change

COMING UP NEXT: Junk Parts from China Warning from Toyota Mechanic

Timothy Boyer is a Torque News automotive reporter based in Cincinnati. Experienced with early car restorations, he regularly restores older vehicles with engine modifications for improved performance. Follow Tim on Twitter at @TimBoyerWrites for daily new and used vehicle news.

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