10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (2022)

(Updated on July 28, 2022)

The type of engine in your vehicle has a lot to do with its performance and fuel economy. However, the type of oil you use to lubricate the components of a high mileage engine (75,000 miles or more) will directly correlate with the amount of additional miles of problem free usage.

If your car or truck is classified as having a high mileage engine, then you will want to use a synthetic oil that is specifically formulated for high mileage use.

Many oils are formulated for this purpose, but certain types of synthetic oils will better protect your engine than others. You just need to know which synthetic oils on the market are the best.

(Video) Top 5 BEST Synthetic Oils of [2022]

Table of Contents

Top 9 Full Synthetic High Mileage Motor Oils

Below are the top rated high mileage synthetic oils for cars, trucks, and SUVs.

1) Pennzoil Platinum High Mileage Full Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (1)Pennzoil Platinum is a highly recommended motor oil by many auto experts in the industry. The “high mileage” variation of their popular oil is specially formulated for vehicles over 75,000 miles. Although the oil is 100% synthetic, it is derived from natural gas.

The PurePlus technology of Pennzoil Platinum can actually turn a gas into a liquid. In this case, it converts natural gas into a base oil. This is a much cleaner oil because it doesn’t contain the impurities and contaminants like you’d find in crude oil.

This is one of the best synthetic oils for dry or cracked seals found in many high mileage cars and trucks. It actually conditions seals to reduce leaks and oil burn-off. Your pistons will be 50% cleaner when introduced to this oil.

(Video) Best High Mileage Oil 2022 | Top 5 High Mileage Oils

In fact, your entire engine will be cleaner in comparison to most other synthetic oils on the market. One of the best things about Pennzoil Platinum High Mileage is that it is formulated to protect your engine and keep it running for as long as possible.

You should be able to get at least 5,000 miles of driving time on this oil and many vehicle can go as far as 10,000 miles before the next oil change. It depends on which type of vehicle you have as well as your driving conditions.

Another important thing worth mentioning is how well Pennzoil Platinum performs under extreme temperature conditions. This not only includes extremely hot temperatures, but also extremely cold temperatures. If you live in a region where you experience the common weather elements of each season, then you will want to use this versatile engine oil to accommodate your summers and winters.

As with other fully synthetic engine oils, expect to pay more than a conventional oil. This is perhaps one of the only reasons why someone might look elsewhere. Hard as it may be, you shouldn’t go cheap when it comes to your motor oil. After all, how often do you change your oil in the first place? The peace of mind you get with a good quality oil is worth it and it may even prevent future costly repairs due to oil that broke down too quickly.

2) Castrol EDGE High Mileage Full Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (2)If you are familiar with oil brands, then you have probably heard of Castrol before. They are a widely recognized company which has developed a worldwide reputation for their high-performance synthetic oils. Most vehicle owners with high mileage engines will find Castrol EDGE High Mileage to be a safe oil to use.

It is 100% synthetic and contains a unique titanium technology that causes the oil to change its behavior whenever it is put under high-pressure situations. Basically, the titanium technology causes the film power of the oil to double, resulting in the friction of the engine components to be reduced.

3) Valvoline Full Synthetic High Mileage Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (3)Valvoline full synthetic high mileage motor oil with MaxLife technology is 100% synthetic and works great in the average car engine. It is formulated to clean your engine thoroughly and to protect it under high temperatures.

Most importantly, the conditioners, detergents, and thicker anti-wear film in this oil will better protect your high mileage engine as it gets older and you continue to drive it.

(Video) ✅ Best High Mileage Oil Reviews In 2022 🏆 Top 5 Tested & Buying Guide

4) Royal Purple HMX High Mileage Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (4)Royal Purple has a huge following among auto enthusiasts and is a brand that is known for both their oil filters and synthetic oils. Most auto professionals agree that Royal Purple Synthetic Motor Oil is the best.

This high mileage version is formulated specifically to minimize wear and restore lost performance in older engines. Its additional detergents remove carbon deposits and buildup while the conditioners revitalize dry, hardened seals.

Royal Purple might not advertise themselves as much as their competition but instead rely on word of mouth. Not cheap but so worth it.

5) Shell Rotella T6 Full Synthetic Diesel Engine Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (5)If you have a diesel engine in your high mileage vehicle, then you should consider Shell Rotella T6 Diesel Synthetic Motor Oil.

It offers a technology called “Triple Protection Plus” which works thoroughly to prevent oil deterioration, overheating, wear and tear, and deposit accumulation. Your engine performance and fuel mileage can actually improve as you continue to use this oil in it.

See also: Symptoms of: Clogged, Leak and Wrong Oil Filter in Your Car

6) Mag 1 Full Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (6)Mag 1 Full Synthetic Motor Oil is one of the top viscosity grade oils which is shown to reduce engine wear and increase fuel efficiency in high mileage engines. This specific synthetic oil is one of the best at protecting against cold star wear.

Mag1 synthetic engine oil is suitable for most sized engines of passenger cars and trucks throughout North America and around the world.

(Video) Top 5 Best High Mileage Oils Review in 2022

7) Mobil Super Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (7)Mobil Super Synthetic Motor Oil is an affordable synthetic oil which gives you a lot of great benefits. Made for vehicles of all ages and miles, you will be able to get up to 7,500 miles on this oil before it needs changing.

In the meantime, your engine will stay protected from debris and overheating. This oil is compatible with all oil filters, so you will have no problems there.

8) Liqui Moly Premium Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (8)Liqui Moly Premium Synthetic Motor Oil is made in Germany and popular with many German cars. Your high mileage engine will be protected from the common wear and tear that occurs during its use.

This oil has some of the best lubricating properties around and it doesn’t matter if you have 25,000 or 250,000 miles on your vehicle. Known more for their excellent engine additives, Liqui Moly also produces and excellent engine oil.

9) Mobil 1 Extended Performance Full Synthetic Motor Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (9)Mobil 1 Extended Performance synthetic oil is guaranteed to provide up to 15,000 miles of protection. This is a great mileage range that surpasses most of its competition but you should still follow your vehicle’s recommended oil change interval.

Many have reported minor oil leaks stopping after switching to this oil so we know it does a great job conditioning old seals. A good premium oil that many compare to Royal Purple.

10) Schaeffer Supreme 9003D-012S Full Synthetic Engine Oil

10 Best High Mileage Synthetic Oils in 2022 (for Cars and Trucks) (10)A true premium oil, Schaeffer Supreme does an excellent job of improving engine durability and fuel economy, even in high mileage vehicles. This oil will not thicken under the coldest temperatures and it will keep the engine cool under hot temperatures.

It will also prevent sludge buildup and it will keep your engine as clean as possible. While it may be more expensive than others, auto enthusiasts agree it’s one of the best.

(Video) Best High Mileage Oil in 2020 [Top 5 Picks Reviewed]

FAQs

Is synthetic oil good for high mileage trucks? ›

Myth: Full synthetic oil is not good for high mileage cars or older vehicles. The myth is rooted in the idea that synthetic oil is “slipperier”—lower in viscosity, or not as compatible with seals and will therefore leak or leak more in places conventional oil might not. Again, completely untrue.

Do high mileage oils really work? ›

It can help reduce oil consumption, smoke, and emissions from older engines. High mileage oil also works to minimize leaks and oil seepage. While you could use high mileage oil in a younger car without harming it, the issues that high mileage oil addresses usually don't appear in vehicles with fewer than 75,000 miles.

What oil should I use for 150000 miles? ›

Valvoline High Mileage 150K with MaxLife Plus Technology Motor Oil offers high-mileage engines better protection against the four major causes of engine breakdown – wear, friction, heat, and deposits.

Which engine oil lasts the longest? ›

This is because synthetic oil is highly refined and can last longer than conventional oil. The refined quality of synthetic oil also gives your engine better performance, which is why it's often used on high-performance vehicles.

Should I use thicker oil in a high mileage engine? ›

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well.

Is Mobil 1 Better Than Amsoil? ›

AMSOIL vs Mobil 1: The results

AMSOIL synthetic motor oil withstands extreme heat and shearing forces, exceeding industry standards and outperforming competing brands. In fact, it fights viscosity breakdown 46 percent better than Mobil 1.

Who makes Amazon synthetic oil? ›

According to the product label provided, Amazon's new private label motor oils are supplied by Warren Distribution, which is headquartered in Omaha, Nebraska.

Are all synthetic oil brands the same? ›

Not all synthetics are formulated the same way. They can contain very different types and combinations of base oils and additives. Even minor differences in formulation can have a major effect on performance.

What oil is recommended for high mileage vehicles? ›

High Mileage Synthetic Oils are specially designed for high mileage vehicles that require synthetic oils with extra seal conditioner providing more protection to worn seals, which can mitigate leaks in high mileage engines.

What oil do truckers use? ›

However, when thinking about long-haul trips, semi-synthetic or fully synthetic oil are best for these larger heavy-duty vehicles. Select Freightliner trucks, for example, use 15W-40, a heavy-duty lubricant. Other max-duty lubricants like 15W-40 are: 5W40, 0W40 and 5W30.

Can high mileage oil damage an engine? ›

High-mileage motor oil doesn't hurt and it could prevent leaks from starting. Most vehicle manufacturers would say it's normal for an engine to consume some oil between oil changes.

How often should high mileage oil be changed? ›

The quick-lube chains usually recommend it be done every three months or 3,000 miles, but many mechanics would tell you that such frequent changes are overkill. Indeed, most car owner's manuals recommend changing out the oil less frequently, usually after 5,000 or 7,500 miles.

When should I use high mileage synthetic oil? ›

The bottom line is that high-mileage engine oils are designed for engines that are beyond their warranties and have 60-, 80-, 150,000 miles. Use it if you see a leak or notice rattling.

How long does a high mileage oil change last? ›

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!

What is the difference between full synthetic and high mileage oil? ›

High Mileage with MaxLife Technology is created using a blend of natural and synthetic oils as its foundation, while Full synthetic High Mileage with Maxlife™ Technology uses an even more robust base of entirely synthetic oil. Either way, they contain similar additives to address the problems related to wear.

Can high mileage oil damage an engine? ›

High-mileage motor oil doesn't hurt and it could prevent leaks from starting. Most vehicle manufacturers would say it's normal for an engine to consume some oil between oil changes.

Should I use thicker oil in a high mileage engine? ›

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well.

Is amsoil really the best? ›

AMSOIL synthetic motor oil withstands extreme heat and shearing forces, exceeding industry standards and outperforming competing brands. In fact, it fights viscosity breakdown 46 percent better than Mobil 1. It stands up to the devastating effects of high-horsepower, modern engines for maximum protection.

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