I have seen Royal Purple oil being used in race engines for years....what makes Royal Purple Full Synthetic better than say.. Mobil1 Full Synthetic?

Royal One is considered one of the better synthetic oils. Notice it does not say 100% synthetic. Only if they say 100% are they completely free of any petroleum based oil. Also note sticker says approved by Petroleum standards. Mobil 1 says this too. A 100% synthetic oil requires no additives. In Europe, fully synthetic = 100% synthetic. In the United States it doesn't.

Is this oil ok to use in my supercharged fr-s using e85 fuel? i change my oil every 5k miles

Looks like you keep up with maintenance, so yes, I think it would suit your needs. The first oil change with Royal Purple is a time in which the oil acclimates to its engine environment. You can still get 5000 miles out of it, but with the second oil change you will see a subtle change with oil life extending beyond the 5000 to 6000 or more. In my case, I am getting 10000 miles between oil changes, and the oil still has no burned smell to it. I do recommend using a good oil filter as well, like Wix, or something that can take the temperature ranges. If your engine is using oil, then I'd be cautious in making the switch, otherwise I have no regrets. With the last rebuild on my 1988 Jeep Wrangler I started it off with Royal Purple and haven't looked back. Engine runs smoother and I get the extended oil mileage.

Does this work for the 2013 toyota prius v? i am looking for this with 75,000+ miles with royal purple hmx high mileage synthetic 0w-20 ilsac gf-5 mul

I use it in my 2017 prius 2. It works great. Comes out looking damn near new after 10k miles. When i need to switch to high mileage oil, i will use HMX.

Royal Purple 51020 Api Licensed Sae 0w 20 High Performance

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Description

🛢️ Drive smarter, not harder — Royal Purple powers your engine’s future today!

SEAMLESS UPGRADE - Compatible with mineral and synthetic oils—no special procedures needed to switch and elevate your engine care.
FUEL SAVVY PERFORMANCE - Optimized viscosity reduces friction, enhancing fuel economy and saving you money at the pump.
EMISSION SYSTEM GUARDIAN - Protects your catalytic converter from damage, ensuring your ride stays eco-friendly and compliant.
ENGINE ARMOR IN A BOTTLE - Advanced synthetic formula delivers unmatched wear protection for your engine’s longevity.
TRUSTED BY PROS ENTHUSIASTS - API SN licensed and ILSAC GF-5 certified, backed by thousands of 5-star reviews for peace of mind.

Royal Purple 51020 is a premium SAE 0W-20 synthetic motor oil engineered for high performance and superior engine protection. It enhances fuel efficiency, safeguards catalytic emission systems, and offers excellent corrosion resistance. Fully API SN licensed and compatible with both gasoline and diesel engines, this 5-quart bottle is designed for vehicle-specific fit and seamless integration with existing oils, making it the go-to choice for millennial professionals who demand reliability and eco-conscious performance.

Specifications

ASIN	B005SEK9IQ
Automotive Fit Type	Vehicle Specific Fit
Brand	Royal Purple
Brand Name	Royal Purple
Compatible with Vehicle Type	Car
Container Type	Bottle
Country of Origin	USA
Customer Reviews	4.9 out of 5 stars 2,689 Reviews
Global Trade Identification Number	00641330510205
Item Type Name	Royal Purple 51020 API-Licensed SAE 0W-20 High Performance Synthetic Motor Oil - 5 qt.
Item Weight	8 Pounds
Liquid Volume	4.73 Litres
Manufacturer	Royal Purple
Manufacturer Part Number	641330510205
Model	ROY51020
Package Information	Bottle
SAE J300 Viscosity Grade	0W-20
Size	5 Quart (160 Ounces)
UPC	641330510205
Unit Count	4731.76 Milliliters
Vehicle Service Type	Car
Viscosity Level	Low
What Is In the Box	oil

Reviews

B**.

RP is the best oil

The best oil on the market. Recommend anybody to make the switch, particularly if your car is still under 100,000 km though I did switch my 2008 Kia Sportage at 150,000 km with no problem. It really cleaned the engine too and subsequent oil changes had cleaner oil coming out!

22.10.2024

R**D

Get the best and safe

Best oil there is. If you buy it by the case on Amazon, and take it to a quick lube, or do it yourself, you know that it done right. I don't trust dealerships anymore they will rune your car just to sell you more part.

11.12.2025

A**N

Sellado y bien empacado

Huele muy bien

7.03.2025

オ**ス

車への贅沢としてはいいとおもいます。

ねだんなりに優秀

4.06.2026

J**A

Best oil for price as far as retail synthetics

Best motor oil on the market , I change it every 3,500 miles and my engine stayed spotless and leak free for 130,000 miles now and never a single engine issue

11.04.2026

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353095CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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