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.
Mobil 1™ High Mileage motor oils are designed for engines with over 75,000 miles and are recommended for all types of modern gasoline-powered vehicles, including high-performance turbocharged, supercharged, multi-valve fuel injected engines found in passenger cars, SUVs, light vans and light trucks.
What is the difference between Mobil 1 high mileage and regular?
The major difference is a stronger additive package to handle blow by and higher wear seen on some higher mileage cars. They also do not make seals swell or damage them. Even Valvoline and other HM oil makers say you can use HM oil in new cars.
Regular oils will provide protection for your engine, but high mileage oils are specifically formulated with specific conditioners, seal compatible conditioners, antioxidants, detergents and additives to combat the issues that high-mileage vehicles often experience as they age.
Mobil Super oils provide excellent protection with guarantees from 5,000 miles up to 7,500 miles. For superior protection and performance, Mobil 1 motor oils offer guarantees for 10,000 miles up to 15,000 miles between oil changes.
Is “High Mileage” Motor Oil Safe? Let’s find out! Mobil 1 vs Mobil 1 High Mileage; SuperTech vs STHM
How many miles is Mobil 1 high mileage good for?
Mobil 1 Extended Performance High Mileage motor oils provide guaranteed protection of critical engine parts for up to 20,000 miles or one year, whichever comes first.
Mobil 1 Extended Performance has an even more robust formula that has been proven in extensive field tests to help protect critical engine parts for 20,000 miles between oil changes – guaranteed. We've selected specific synthetic components to deliver this outstanding level of performance.
High mileage oils contain seal conditioners and additives that cause o-rings, gaskets and seals to swell. In some cases, older valve-guide seals in engines may have reduced seepage.
There are two schools of thought about using high-mileage oils. The first is to switch when your vehicle reaches 75,000 miles. The second is to switch if your older vehicle is beginning to show signs of engine loosening. If you notice an oil drip, that's a sign you should start using high-mileage engine oil.
What is the best oil to use in a high mileage car?
In that case, it may be a good idea to use a high mileage oil such as Mobil 1 High Mileage Full Synthetic Motor Oil, Valvoline High Mileage with MaxLife Technology, Pennzoil High Mileage Conventional Motor Oil, Castrol Edge High Mileage, or Royal Purple High Mileage Motor Oil.
Again, AMSOIL comes out on top, fighting volatility 38% better than Mobil 1. And in TBN testing, AMSOIL delivered 28% more acid-neutralizing power than Mobil 1, to help your engine stay cleaner, longer.
Auto manufacturers agree. Testing under the current industry performance standard from the International Lubricants Standardization and Approval Committee (ILSAC) shows that Mobil 1™ outperforms not only conventional motor oils, but other full synthetics as well. In fact, it performs far better than industry standards.
Applications. Mobil 1™ High Mileage motor oils are designed for engines with over 75,000 miles and are recommended for all types of modern gasoline-powered vehicles, including high-performance turbocharged, supercharged, multi-valve fuel injected engines found in passenger cars, SUVs, light vans and light trucks.
High mileage oil is designed for vehicles with more than 75,000 miles. Such oil features additives that help protect seals. This leads to less leakage and oil burn-off, which can be common in older cars. If your vehicle is high-mileage and high performance, it's suggested that you go with this type of synthetic oil.
How long does high mileage full synthetic oil last?
If you own a car that runs on synthetic oil, you're probably wondering, “How often do you change synthetic oil?” Depending on the type of car you have, most synthetic oils last between 7,500 miles and 15,000 miles. However, you'll need to check your owner's manual for more specific figures.
It used to be normal to change the oil every 3,000 miles, but with modern lubricants most engines today have recommended oil change intervals of 5,000 to 7,500 miles. Moreover, if your car's engine requires full-synthetic motor oil, it might go as far as 15,000 miles between services!
Why can't you go back to regular oil after synthetic?
Myth: Once you switch to synthetic oil, you can never switch back. This is one of the most persistent myths about synthetic oil—and completely untrue. You can switch back and forth at any time. In fact, synthetic blends are simply a mixture of synthetic and conventional oils.
Minimal Engine Wear and Tear: High mileage oils have higher viscosities than conventional oil and include anti wear additives. These additives reduce the risk of metal-to-metal contact, increase engine protection against corrosion, and reduce sludge buildup.
High mileage engines often face the problem of oil leaks. There are certain engine oils that are specifically made for higher-mileage engines, but they are also more expensive than other oils. Thus, lots of mechanics suggest using a thicker engine oil for high mileage engines, since thicker oil is less likely to leak.
To protect engine parts, these oils must remain thicker for a longer period of time. Does motor oil break down over time with car mileage? Yes. Not so much time as mileage.
#1 Longest-Lasting: Mobil 1 Extended Performance Full Synthetic Motor Oil. From the brand that carries the NASCAR seal of approval, Mobil 1 Extended Performance is a full synthetic designed for the long haul.
A: The official ExxonMobil warranty interval for Mobil 1 FS 0W-40 (aka European Car Formula) is 10,000 miles or your OEM recommended interval, whichever is greater. This comes with the further stipulation of an oil change every 12 months if you don't reach a mileage cap, first.