Redline vs. Royal Purple: Which Fully Synthetic Oil is the Best?

As a responsible car owner, you must ensure that your vehicle has the best oil for a smooth run. For this reason, many consumers are confused about which between Redline vs. Royal Purple provides the best synthetic oil.

Synthetic oil became commercially available in 1975, and since then, it leads the motor oil industry. This engineered lubricant offers high-end quality oil to prolong your engine’s life.

What’s more, it provides a better viscosity index and less friction level that helps in avoiding engine stress. Also, synthetic decreased the evaporation of the oil for better mileage of your car.

Additionally, “The advantages offered by synthetic oils are most notable at either very low or very high temperatures,” according to Science Direct. Thus, synthetic motor oils will put your ride on the other level.

For this reason, oil brands are competing to produce the best synthetic oil. So, this article will join you in choosing the best oil for your car by looking deeper at their differences.

Redline Vs. Royal Purple

Redline Engine Fully Synthetic Oil

Redline is a Californian-based oil manufacturer that leads the industry for over 40 years now. It uses full synthetic Ester based-oil on its more than a hundred products sold worldwide.

What’s more, they offer fully synthetic lubricant that has no trace of other blends or impurities. You can see the cleanliness and purity of this oil type with its light amber color.

Additionally, it was manufactured by Redline with Esters to eliminate the unnecessary oil elements. For this reason, it reduces the friction level of the oil for better wear protection.

Detergent additives were mixed with the Redline fully synthetic oil for the better performance of your car. This factor will ensure you have an extended oil change interval while maintaining the cleanliness of the oil.

Furthermore, this product works well for modern car models, such as turbocharged engines. So, expect that this quality oil will also protect your engine from sludge accumulation.

Redline fully synthetic oils are also applicable in performance vehicles, passenger cars, light trucks, and marine. It has varied applications because of its stability at extreme temperatures and resistance from oxidation.

One of the best-selling synthetics from this brand is the Redline 5W20 Synthetic Engine Oil. It has few additives that can protect your engine from overheating, wear, and tear.

Pros of Redline

As you opt for Redline synthetic motor oil, you may enjoy the following benefits for your car:

  • High natural viscosity. To ensure that your oil can perform well even in severe weather conditions, Redline guarantees you oils with a high viscosity index. Their fully synthetic oils can keep their good fluidity from -45° celsius and less evaporation in hot temperatures.
  • Maximum oxidation resistance. Redline fully synthetic oils are excellent lubricants that also serve as good engine protectants. Its antioxidants will prolong the life of your auto by preventing corrosion from happening.
  • Less friction in the engine. Another feature to extend your engine’s lifespan is the high detergency level of Redline oils. The detergent additives lower the level of conflict to ensure the cleanliness of the oil seals and avoid overheating.
  • Versatile oils. Redline manufactured their synthetic oil that you can use in different models of auto. You may apply this type of oil to your new car, old engine, and even auto with heavy-duty driving conditions.
  • Fully synthetic. Redline provides their consumers with 100% purely synthetic engine oil products. These motor oils were chemically synthesized in laboratories and has no impurities.
  • It improves fuel economy. Fully synthetic oils from Redline can improve the running of engine fuel for better combustion. Remember, having better discharge means there are fewer emissions.
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Cons of Redline

Despite the promising benefits of Redline fully synthetic oils, they still have some drawbacks:

  • Because of its high-quality features, it comes at a higher price compared to others.
  • Low durability. If you compare this brand to others, it is less durable.

Royal Purple Fully Synthetic Oil

Royal Purple Company is a Texas-based oil manufacturer established by John Williams in 1986. It offers high-end synthetic oils and lubricants that can apply for various purposes.

In addition, they develop their products to outshine the other mineral-based and synthetic oil brands. This principle leads them to launch motor oils with superior engine protection and is applicable for gasoline and diesel engines.

It is easy to switch oils using Royal Purple because of its compatibility with other oil brands. Hence, you don’t need special procedures when you changed your brand.

Additionally, it has a better formulation as a fully synthetic engine oil to improve your car’s overall performance. Plus, rest assured that you will have a clean engine with Royal Purple’s superior wear protection.

Moreover, it can enhance the horsepower and torque of your engine with its corrosion protection. Thus, it offers better protection than conventional and synthetic blends can offer.

Royal Purple is one of the premia oil manufacturers that mix proprietary additives with the synthetic base. For this reason, it has the formula to safeguard the catalytic emission system in your modern car model.

Furthermore, it has a low level of friction that leads to excellent fuel economy. You may try these features with one of their best-sellers, Royal Purple HPS 5W-30 Full Synthetic Engine Oil.

Pros of Royal Purple

If you buy Royal Purple fully synthetic for your next oil change, expect the following upsides:

  • Excellent startup protection. With the great viscosity index of Royal Purple products, rest assured that they will have good fluidity. For this reason, you will not face issues in starting up your car in extreme weather conditions.
  • Superior protection. Royal Purple used phosphorus or zinc anti-wear additives to protect your engine. These additives will help you to avoid wear, deposits, and sludge build-ups.
  • Higher fuel economy. The sufficient level of viscosity of Royal Purple allows their oils to pump easier in your engine. This factor decreases the resistance of the moving parts of your machine to increase fuel economy.
  • Meets and exceeds industry standards. Royal Purple ensures that they will provide the best oil products that their consumers can’t find to other brands. They underwent various standard industrial tests for car models in North America and Europe.
  • It maintains hard seals. The synthetic products of Royal Purple can prevent leaks in your engine. It expands and softens the oil seals to rebuild their original shape.

Cons of Royal Purple

Some of the drawbacks of buying Royal Purple Full Synthetic Motor Oil includes the following:

  • To ensure that Royal Purple produces quality motor oils, they use high-end materials. For this reason, they distribute their products at higher prices than other brands.
  • Packaging issues. Some consumers encountered problems with leaks on the packaging of Royal Purple.
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Redline vs. Royal Purple Performance Comparison

In Redline vs. Royal Purple debate, you can see that each brand has its strength and drawbacks. So, don’t get overwhelmed with their similarities and check their differences in terms of features and performance.

Features Redline Royal Purple
Mileage 18 000 miles 12 000 miles
Costing Expensive A little bit expensive
Oxidation 10 30
Wear Test 0.5 mm 0.4 mm
Total Base Number 10 9
Cold-cranking Viscosity Test 6 400 6 300
Nock Volatility Test 9.5 5.5

Change Oil Interval / Service Mile

The best oil for you is the one that can reduce your oil change costs. So, you have to choose the brand that offers extended change oil gaps.

In this aspect, Redline is recommended because of its mileage. You can change your oil after riding 18 000 miles, which is superior to the 12 000 miles of the Royal Purple.

Cost Efficiency

Before buying synthetic oils, you have to remember that they are more expensive than the purchasing price of other types. Hence, it is practical to check first your potential brand before adding it to the cart.

Looking at the specifications and benefits of the Redline and Royal Purple, they are both worthy of your bucks. These brands are ideal to use to improve the performance of your car while offering good mileage.

Remember, do not block your mindset that it is always practical to purchase cheaper products. You have to go beyond and think of the advantages that oil can offer in the future.

Motor Oil Test

The experts run various conventional simulations to ensure that the oil works best for your engine. To help you in finding the perfect oil, here are some factors that can affect your engine’s performance:

Wear Test

One of the key indicators of good motor oil quality is its wear protection. So, in this test, the oil that has the least wear score provides better protection for your engine from wear.

Redline has a score of 0.5 mm in this regard, while Royal Purple conveyed a score of 0.4 mm. This result revealed that Royal Purple performs better in wear protection features.

Total Base Number Test

This test measures the oil’s alkalinity that helps your engine in regulating the formation of acid. The oil that has a higher total base number is better at decreasing acidic damage in your machine.

Redline wins this round as it has a higher total base number. With an entire base of 10, it beats the Royal Purple that has only 9. Hence, Redline is better in acid formation regulation during the combustion process.

Cold-Cranking Viscosity Test

This test will show you the behavior of the oil when it is exposed to cold weather temperatures. Take note; the brand that has lower cold crank value has better performance in cold conditions.

In this regard, Royal Purple beats the Redline synthetic oils. Royal Purple has a cold crank value of 6 300, while the Redline has 6 400.

For this result, it is better to use Royal Purple in places with low temperatures over Redline.

Moisture Loss Test / Nock Volatility Test

Nock volatility test measures the total evaporation loss of the oil when exposed to hot temperatures. You have to pick the higher nock volatility value product as it is more consistent in lubricating the engine.

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Redline is better than Royal Purple in this simulation. With a value of 9.5, Redline beats the Royal Purple that has only a 5.5 value.

Heat-Oxidation Simulation Test

This simulation computes the deposit formation rate of the oil when under high temperatures. In this test, the oil that has a lesser value is better for your engine.

So, with a value of 10, this round is another advantage of Redline. Meanwhile, Royal Purple garnered a deal of 30 for oxidation.

Therefore, Redline can enhance your engine performance with its minimal deposit formation.

Comparison Verdict: Royal Purple Vs. Redline

To break down the tie between Redline Vs. Royal Purple, let’s look closely at their features. This section will help you to find the brand that suits your needs.

Redline offers you a price that bangs for your money with its high mileage products. Also, it will help you to regulate the formation of acid properly in your engine under hot conditions.

Furthermore, this brand has a low deposit formation value to prolong your engine’s life. Plus, it has low evaporation or weight loss in hot conditions.

On the other side, Royal Purple is also worthy of your motor oil investment for your engine. It can guarantee you superior wear protection to ensure the smooth run of your car.

Royal Purple Vs. Redline

More so, Royal Purple offers a good fluidity of oil even in cold weather conditions. Hence, it is not inferior to other brands with its more affordable price.

Frequently Asked Questions:

Is Royal Purple good for racing?

Royal Purple meets the high standard for vehicles with extreme driving conditions, such as drag and kart racing cars. These oil products are light in viscosity and improve horsepower while avoiding wear.

Hence, you can use Royal Purple XPR for better performance in road racing.

Where is Royal Purple oil made?

Royal Purple manufactures their engine oil products in Texas, United States. This American oil manufacturer produces synthetic oils, transmission, fluid, gear oil, and industrial gear.

What’s more, they distribute their products now across the globe, such as Australia, Canada, Japan, and United Kingdom.

Does Redline oil have Zinc in it?

Redline uses zinc or phosphorus in its products to satisfy the needs of high-performance vehicles. Zinc is essential to avoid the wearing of a car’s components. For this reason, Redline racing oil products have a minimum of 2 200ppm zinc.

Is Redline oil API certified?

Redline introduced to the market their API-certified products. This brand developed its oils to exceed the OEM/API requirements, guidelines, and factory warranty for drain intervals.

Final Verdict: Which is Better Between Redline and Royal Purple?

The deciding factor in choosing between Redline vs. Royal Purple lies with your car needs and conditions. After all, each brand has both advantages and disadvantages. So, check your potential oil brand features first to know what you will gain.

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