5 Best 0W-20 Synthetic Oils for Subaru Vehicles (2022)

Synthetic oils are known to provide some extra protection as they feature advanced technologies and additives that make them a better option for heavy-duty applications. By using the right synthetic oil in your Subaru vehicle and replacing it when due, you’d keep your vehicle running for many more years than you ever imagined.

The most widely recommended synthetic oil for Subaru vehicles is the 0W-20 grade. These oils come formulated with the latest technologies and are engineered to exceed industry standards providing excellent engine wear protection among other standard features.

best 0w20 synthetic oil for subaru

Best 0W-20 Synthetic Oils for Subaru Vehicles: our Top 5 Picks

Knowing that 0W-20 synthetic oil is the best option for your Subaru vehicle is one thing. But figuring out the right option from the tons of brands available on the market is the real challenge.

But not to worry, we’ve carefully handpicked the best 0W-20 oils on the market and reviewed them in this post. Our recommendations were based on performance, brand trust, and buyer reviews.

1. Liquimoly 0W-20 Motor Oil


The Liquimoly 0W-20 Motor Oil is built for engines that require long intervals between oil changes or heavy-duty engine requirements. This modern premium-class fuel-efficient engine oil features a combination of unconventional base oil and synthesis technology with the latest additives that protect against wear while reducing oil and fuel consumption. This ensures that you spend less on fuel and oil once you get this oil in your engine.

The Liquimoly 0W-20 Motor Oil will also keep the engine clean while providing quick oiling of the engine. It is designed to meet ILSAC GF-5 industry standards, as well as, meet the specifications of several car brands including Subaru models.

You also get a bunch of other beneficial features like a smooth engine running, long engine service life, high lubrication reliability, and optimum stability to aging.

While the Liquimoly 0W-20 Motor Oil is designed to work well with a nice number of vehicles, it is important that you take the manufacturer’s requirements into account before going for this pick. Nevertheless, this oil is an option you can never go wrong with all thanks to its high-quality features and top-notch performance.


  • This oil won’t breakdown as fast as conventional oil
  • Modern premium-class fuel-efficient engine oil
  • Engine oil protects against wear
  • Reduces oil and fuel consumption


  • A bit scarce on the market.

2. Pennzoil Ultra Platinum Full Synthetic 0W-20 Motor Oil


Pennzoil 0W-20 Motor Oil is another pick that makes a lot of promises and actually sticks to them. This oil is made from natural gas rather than crude as with other oil types. This means it is fully synthetic so you get some of the best features including boosted performance. It is designed to outperform conventional oils in all aspects including low-temperature performance and volatility control.

Most synthetic oil manufacturers use a form of unique technology to keep their product up-to-date with modern engines, and the Pennzoil 0W-20 Motor Oil does come with one. It features PurePlus Technology which converts pure natural gas into a fully synthetic base oil.

This process produces a high-quality product with fewer impurities than base oils made from crude oil, and when combined with additive technology, you get one of the best oil formulations that will boost fuel economy and extend engine life.

This synthetic oil will keep the pistons clean of deposits to ensure that your engine delivers maximum performance. It actually does this quite impressively and exceeds the ILSAC GF-6 standards.  It also protects against loss of power by preventing engine wear and deposit formation.

Pennzoil 0W-20 Motor Oil gives extra protection to the internal parts of the engine especially for damage factors like metal-on-metal contact. You should also expect fast low-temperature oil flow in extreme cold temperatures down to – 40 degrees Fahrenheit and top-notch protection from oil oxidation and degradation in extremely hot temperatures of up to 400 degrees Fahrenheit.


  • Made for extreme performance
  • Made from natural gas
  • Keeps pistons cleaner than required by the industry standard
  • Extreme temperature performance


  • A bit costly.

3. Royal Purple SAE 0W-20 Synthetic Motor Oil


If you’re looking for a high-quality synthetic oil for your Subaru vehicle that won’t poke a hole in your pocket, then the Royal Purple SAE 0W-20 Synthetic Motor Oil would make for a great pick. This product combines premium base oils with additive technologies to create high-quality motor oils that will deliver top-notch performance and optimize engine performance.

The Royal Purple SAE 0W-20 Synthetic Motor Oil delivers superior protection to ensure your engine doesn’t fail in performance with continuous use. It is designed to meet Desos1 performance requirements and ILSAC GF-5 standards.

If you’re using a high-viscosity or a different oil type, you won’t have to perform any special procedures when upgrading to this oil, however, you would have to wait until the manufacturer’s first scheduled oil change before picking this oil for your Subaru engine.

Though it’s pretty affordable, this oil is packed with features, you’d only expect in the top offers. Its advanced additive technology is engineered to prevent metal-to-metal contact beyond industry standards, as well as, increased fuel efficiency.

The patented ZDDP additives optimize emissions catalyst system life which leads to improved compatibility with fuels containing ethanol. This enhanced technology also prevents white sludge and lubrication starvation that are more likely to occur at high temperatures.

Finally, you get superior corrosion protection so you won’t have to worry about rust even with continuous use.

The Royal Purple SAE 0W-20 Synthetic Motor Oil is packed to give you the best performance that you should expect from a high-quality motor oil but at a more affordable price.


  • Maximizes horsepower and fuel economy
  • High alkalinity minimizes corrosive wear
  • Protection from sludge and varnish
  • Well-packaged


  • None that we could pick

4. Mobil 1 0W-20 Advanced Full Synthetic Motor Oil


The Mobil 1 0W-20 offers low viscosity and an advanced full synthetic formula that helps increase engine efficiency and improves fuel economy up to 2 percent. This oil is designed to extend the engine life for vehicles of all ages while delivering outstanding protection from the most common factors that can damage engines with consistent use.

This oil stands out in many ways especially with its long-term protection that will guard critical engine parts for up to 10,000 miles between engine oil changes. It also comes with uniform synthetic oil molecules engineered to reduce friction while helping to prevent deposits and sludge buildup.

With its technologically advanced formulation, this oil will provide impressive internal engine heat protection, as well as, outstanding engine wear protection.

It also offers low-temperature protection while supporting quick cold-weather starting and ultra-fast protection. All these are combined with timing chain wear protection and improved fuel economy.

More on the benefits, the Mobil 1 0W-20 helps control oxidation to prevent oil breakdown for all types of modern vehicles. Overall, this product is feature-packed and designed to help you save on oil replacement and purchases.

It meets ILSAC GF-6 standards and helps deliver low-speed pre-ignition while keeping the engine clean. It also offers internal engine heat protection in a wide range of up to 500 degrees Fahrenheit and low-temperature protection up to -40 degrees Fahrenheit.

With this oil in your vehicle, you should expect protection for up to 10,000 miles or 1 year. It also comes with a limited 1-year warranty.


  • Top-notch 5 oil and filter combination performance
  • Keeps the engine well-lubricated
  • Reduces wear on parts
  • Holds up to 10,000-mile oil change interval


  • Pricier than most others on the market (worth the price, though)

5. Red Line 0W-20 Motor Oil


If you love driving at high speeds and high revving your engine, then you would need a high-performance engine to lubricate those tiny moving parts and keep your engine performing at its best. For reliable performance, you would need the Red Line 0W-20 Motor Oil. This oil will help with keeping even the hottest parts of the car lubricated at its highest temperatures.

The Red Line 0W-20 Motor Oil features a full-synthetic ester formula designed to provide the highest protection, cleanliness, efficiency, and superior drain intervals. It also offers increased fuel economy and improved wear at cold starts with impressive flow at extremely cold temperatures.

You also get excellent wear protection, as well as, friction reduction across a wide range of operating conditions which makes it a great pick if you like to drive fast. Its high detergency also helps with extended drain intervals while improving the ring seal for more power.

You also get superior high-temperature stability including oxidation resistance that boosts lubrication of hot metals compared to other synthetic oils. The high natural viscosity index provides thicker oil film in cams bearings.

The entire formula is blended with polyol ester base stocks bearing natural multi-grade properties. Unlike other synthetic oils, it doesn’t come with heavy additives that will hinder lubricity.


  • Improved performance
  • Quality you can trust
  • Excellent wear protection and friction reduction
  • Superior high-temperature stability


  • Less popular brand.