Best Synthetic Oil To Keep Your Vehicle Running Strong

You’d think that, when considering an oil, it’d be an easy decision such as cooking oil is. Do I want vegetable oil, olive oil, or macadamia oil? Easy, right? But, when considering your engine, you want to put the best possible synthetic oil in it. Each vehicle varies, but you’re going to want to use synthetic oil vs conventional oil for a variety of reasons. While we aren’t going to go too in depth, because Popular Mechanics has already done that, we will get into a few basic principles.

Synthetic oils provide more protection, and a longer lifespan for your engine over conventional oils. They are engineered to reduce friction, per additional lubrication, as well as removing soot, dirt, or any other contaminants within your engine. If a sludge builds up in your engine, and you don’t have a proper oil to break it down, it can lead to engine failure. This is why changing your oil is so incredibly important.

With that said, we have compiled the best synthetic oils of 2018 for you to purchase. Keep in mind each different oil excels in a different area whether it be protection, fuel efficiency, or engine life.


Synthetic OilViscosityFluid OuncesPricing and Availability
Mobil 1 120758 Synthetic Oil0W-20160 Fluid OuncesCheck Amazon Pricing and Availability
Mobil 1 120764 Synthetic Oil5W-30160 Fluid OuncesCheck Amazon Pricing and Availability
Valvoline 5W-30 MaxLife High Mileage Synthetic Oil5W-30160 Fluid OuncesCheck Amazon Pricing and Availability
Rotella T6 Extreme Temperature Synthetic Oil5W-40128 Fluid OuncesCheck Amazon Pricing and Availability
Mobil 1 120765 Synthetic Oil5W-20160 Fluid OuncesCheck Amazon Pricing and Availability
Valvoline SynPower Full Synthetic Oil0W-20160 Fluid OuncesCheck Amazon Pricing and Availability
Castrol EDGE Synthetic Oil0W-40160 Fluid OuncesCheck Amazon Pricing and Availability
Valvoline 10W-30 MaxLife High Mileage Synthetic Oil10W-30160 Fluid OuncesCheck Amazon Pricing and Availability
Mobil 1 120770 Synthetic Oil10W-30160 Fluid OuncesCheck Amazon Pricing and Availability
Castrol Power1 Synthetic Motorcycle Oil10W-4032 Fluid OuncesCheck Amazon Pricing and Availability


1. Mobil 1 120758 0W-20 – Overall Best Synthetic Oil

Mobil 1 0w-20 est Synthetic Oil Overall

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Mobile 1 has been constantly focused on performance per their motorsports partnerships. I mean, if the professionals are using this synthetic oil, at the highest level, you can certainly expect it to do wonders for your engine. They are the official sponsors of Nascar, and McLaren-Honda in F1 performance racing.

Mobile 1 120758 synthetic oil provides an advanced synthetic formula allowing for increased engine efficiency, and fuel economy by up to 2%. It has increased oxidation stability, allowing for slower oil-aging, which will result in a longer-lasting oil, and protection. If you’re living in a colder area during the winter, you can expect this synthetic oil to provide an easy starting with it’s low-temperature capabilities. This will also allow for an extended engine life.

That said, there’s no debate as to why the Mobile 1 120758 is the best synthetic oil of 2018. Keep in mind when purchasing, it is 0W-20, and certain engines prefer different synthetic oil.


2. Mobil 1 120764 5W-30 Synthetic Motor Oil

Mobil 1 5W-30 Synthetic Oil

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Mobile 1 120764 is second in our best synthetic oils of 2018. Behind, of course, it’s brother. The advanced full synthetic formula this oil is equipped with prevents deposits, and sludge build-up enabling a longer-lasting engine.

This synthetic oil provides an excellent overall lubrication of your engine, for maximum protection from wear when engaging in various driving styles. This is why Mobil 1 is widely considered as one the best synthetic oil manufacturers today, and used in professional racing. You can expect a better fuel economy, and easy start-up in low-temperature situations. Highly recommended if you’re in the North! Winter is coming.


3. Valvoline 5W-30 MaxLife High Mileage Synthetic Oil

Valvoline 5w-30 Maxlife Synthetic Oil

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Valvoline 5W-30 MaxLife synthetic oil is another popular brand. We have the Valvoline 10W-30 on this list as well, and if you are unsure which you should be using, we recommend checking out Axle Advisor’s comparison here. If you’re familiar with Nascar, you may have remembered Mark Martin driving the Valvoline car for basically…. Ever?

While used in a professional manner, this synthetic oil is quite often used in everyday vehicles as well. It has seal conditioners that are capable of rejuvenating engine seals that prevent, and stop oil leaks. No longer do you have to constantly pour oil into your car to maintain its capacity. Designed with a new technology to prevent wear, you can expect your engine to have a longer-lasting, and performance-enhanced life.

Valvoline is known as one of the best synthetic oil manufacturers in the industry, with good reason.


4. Rotella 5W-40 Extreme Temperature Synthetic Oil

Rotella 5w-40 Extreme Temperature Synthetic Oil

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Rotella 5W-40 synthetic is designed for usage in extreme temperatures. When considering a synthetic oil, you need to make sure that it is relevant in terms of where you are living. If you’re in Arizona, you’re going to want something that can take a beating in terms of heat. If you’re in Michigan, or Wisconsin, it is good to consider a synthetic oil that can withstand the cold. No one wants to talk outside, and not be able to start their vehicle.

You can expect a better fuel economy. This was tested thoroughly, and a 1.5% gain in fuel economy was gained when using Rotella synthetic oil. With the improved deposit control, you can expect a longer-lasting engine life. This will allow the synthetic oil to fight against soot, direct, and other contaminants that enter the engine. If you’ve ever wondered why you need to change your oil, it’s because of the contaminants. When the engine has built-up contaminants in it, it will have horrible performance, and will ultimately lead to engine failure.


5. Mobil 1 120765 5W-20 Extended Performance Synthetic Oil

Mobil 1 5w-20 Extended Performance Synthetic Oil

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Another Mobile 1 synthetic oil on the list, is the 120765 extended performance oil. If you have caught onto the drift, Mobil 1 makes some damn good synthetic oil, and you should really consider trying them out. We guarantee you see a performance increase in your vehicle. You can physically feel the healthiness of your vehicle.

This synthetic oil provides a guaranteed protection of the most critical parts within your engine for up to 15,000 miles, or a year. It helps prevent constant buildup of deposits, whether it be dirt, soot, or other contaminants. Sludge within your engine is no good for anyone involved. The incredible lubrication of the synthetic oil allows for a longer wear protection under a variety of different driving styles.

With any Mobile 1 synthetic oil, you can expect it to be capable of withstanding cold-weather startups. With that said, it’s obvious that Mobile 1 creates the best synthetic oil on the market with three of the top 5, being Mobil 1.


6. Valvoline 0W-20 SynPower Full Synthetic Motor Oil

Valvoline 0w-20 SynPower Full Synthetic Oil

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Valvoline has another one in the top 10 of best synthetic oils of 2018 with the Synpower 0W-20. This synthetic oil performs extremely well in terms of cleaning your engine, and maintaining it’s lifespan.

Providing higher-temperature protection, and industry-leading cold-temperature protection, you’re covered no matter where you live. You won’t have to worry about the oil if your car isnt starting up when using Valvoline SynPower. With increased fuel efficiency, expect to fill your car up less by simply putting a better synthetic oil in your vehicle.

If you’re a tuner, Valvoline Synpower synthetic oil meets all requirements for any naturally aspirated, turbocharged, or supercharged car in North America while maintaining industry-leading performance.


7. Castrol 03101 EDGE 0W-40 Full Synthetic Motor Oil

Castrol Edge 0w-40 Full Synthetic Oil

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Castrol is another big name synthetic oil manufacturer. They sponsor a few drag racing cars if you’re familiar with that. The Castro 03101 EDGE synthetic oil is the epitome of performance, and durability.

You will fall in love with Castrol 03101 for its cleaning capabilities. Claiming a 42% increase in cleaning power, expect your engine to maintain it’s durability, and performance for many years to come when using Castrol synthetic oil. It protects the engine against additional wear by reducing additional friction with increased lubrication of the engine. Many car enthusiasts swear by Castrol. Like its competitors, you can expect operation in extreme weather temperatures whether it be the cold, or hot. No matter where you live, Castrol 03103 EDGE synthetic oil has your vehicle protected.


8. Valvoline 10W-30 MaxLife Synthetic Motor Oil

Valvoline 10w-30 MaxLife Synthetic Oil

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With Valvoline 10W-30 MaxLife synthetic oil, you can expect a longer-lasting, and healthy engine. That said, we recommend using this synthetic oil on a car that already has high mileage. It offers increased protection over many of its competitors.

Unlike a lot of other synthetic oils, it features a newly added seal conditioner agent that is aimed to prevent leaks within your engine. On top of that, you can expect extra cleaning agents that provide a quick, and hasty way to remove sludge build up within your engine that will increase its efficiency, and life.

While it is mostly created to end higher mileage vehicles, you are still capable of using this synthetic oil from the get go on a brand new vehicle ensuring that it will make it past the 100,000 mile marker. Valvoline certainly maintains its spot as one of the best synthetic oils with the MaxLife product.


9. Mobil 1 120770 High Mileage 10W-30 Full Synthetic Oil

Mobil 1 High Mileage 10w-30 Synthetic Oil

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Mobil 1 120770 synthetic oil is aimed for high mileage vehicles similar to that of the Valvoline 10W-30 MaxLife. It provides additional lubrication inherently reducing friction within your engine, allowing for extra protection and a longer engine life.

Mobil 1 is a fully synthetic oil. In other words, as many other competitors do, they do not blend in conventional oil with their already synthetic oil. This ensures increased performance, and protection for your engine.

With higher mileage vehicles, they tend to leak oil. Mobile 1 120770 synthetic oil helps prevent leaks per the reduction of sludge, and contaminants/deposits within your vehicle. If you are looking for a trustworthy oil, look no further than the Mobil 1 120770 high mileage synthetic oil.


10. Castrol 06112 Power1 10W-40 Full Synthetic Motorcycle Oil

Castrol Power1 10w-40 Synthetic Motorcycle Oil

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Castrol 06112 Power1 synthetic oil aims to provide additional engine performance. Generally speaking, if you are going to be pushing your engine to it’s limits, you will want to use this synthetic oil. It isn’t for the average, daily driver.

It is formulated with Trizone technology that aims to protect all 3 critical zones: the engine, the clutch, and the gearbox. All of these are important when considering performance. You can’t expect speed when one of these parts is underperforming.

Power1 is best used in engines that are extremely high-temperature air-cooled, as well as water-cooled engines adding to its increased performance. This oil is quite often used in Motorcycles, super-bikes, or crotch-rockets. If you’re looking for the best performance-enhancing synthetic oil on the market, look no further than the Castrol 06112 Power1.

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