Royal Purple Oil





Royal Purple Oil is located in Porter, Texas.  They have over 200 years of expertise in the performance lubricants industry. Distributed in multiple countries throughout the world, they are very active in the lubricant industry. They were acquired in 2012 by Calumet Specialty Products Partners.

Specializing in more than just motor oil, Royal Purple lists oil filters and many different additives and lubricants on their website. They offer fuel system cleaners, octane boosters, power steering fluid, transmission fluid, and even synthetic gun oil.

Royal Purple offers many different types of motor oil for various applications. They state that “every Royal Purple Oil product provides a performance advantage, increased fuel efficiency, superior corrosion protection and better wear protection than other synthetic and conventional engine oils on the market.”

Royal Purple Oil Not in the Top 50

Once again, that’s some really good marketing but we here at Synthetic Oil & Filter like facts and data. Currently, the best motor oils list doesn’t show Royal Purple Oil anywhere in the top 50. Their first listing on the complete list falls in at #60 with their 5W20 Oil. That’s the only Royal Purple result in the outstanding category. The remaining entries fall in the Good and Modest categories. We have pulled all the Royal Purple Oil entries from our master list for your review here.

Royal Purple Oil Results

Outstanding Protection

#60
5W20 Royal Purple, API SN – 90,434 PSI
Zinc: 964 ppm Phos: 892 ppm Moly: 0 ppm

Good Protection

#80
5W30 Royal Purple, API SN – 84,009 PSI
Zinc: 942 ppm Phos: 817 ppm Moly: 0 ppm
#81
20W50 Royal Purple, API SN – 83,487 PSI
Zinc: 588 ppm Phos: 697 ppm Moly: 0 ppm
#96
15W40 ROYAL PURPLE Diesel Oil, API CJ-4 /SM, CI-4 PLUS, CH-4, CI-4, Synthetic – 76,997 PSI
Zinc: N/A Phos: N/A Moly: N/A

Modest Protection

#106
5W30 Royal Purple XPR (Extreme Performance Racing) – 74,860 PSI
Zinc: 1421 ppm Phos: 1338 ppm Moly: 204 ppm
#144
10W30 Royal Purple HPS (High Performance Street) – 66,211 PSI
Zinc: 1774 ppm Phos: 1347 ppm Moly: 189 ppm
#150
Royal Purple 10W30 Break-In Oil, Conventional – 62,931 PSI
Zinc: N/A Phos: N/A Moly: N/A




Would you like to see the complete list of best motor oils broken down into smaller categories? How about:

Best 5W30 Oil
Best 10W30 Oil
Best 5W20 Oil
Best Synthetic Oil
Best Conventional Oil
Best Racing Oil