Pros

  • β€’Improves engine noise levels, making the engine noticeably quieter, especially on smaller engines like Subaru Forester
  • β€’Maintains good lubrication even with looser engine tolerances, supporting higher performance and power
  • β€’Slightly quieter cold start rattle, indicating better cushioning at lower temperatures compared to conventional oils
  • β€’Offers excellent lonerm engine protection, potentially extending vehicle longevity up to 280,000 miles
  • β€’Suitable for higerformance driving and tracking, providing confidence in engine protection under demanding conditions
  • β€’Good quality, trustworthy oil for vintage vehicles and daily drivers alike
  • β€’Consistently high satisfaction among users with no major issues reported
  • β€’Comes in a handy uart size, often available at competitive pricing with delivery convenience
  • β€’Compatible with multiple formulations: original, synthetic blend, and full synthetic Pennzoil
  • β€’Suitable for vehicles with high mileage, contributing to smooth, reliable operation

Cons

  • β€’Does not eliminate common engine noises like the Coyote 2200 rpm rattle or tick, which are caused by normal tolerances
  • β€’Slightly distinctive smell compared to other brands, which might be unusual for some users
  • β€’Frequently out of stock on Amazon, requiring itore shopping or waiting for restock
  • β€’No specific mention of compatibility with certain older or specialty engines beyond general use
  • β€’May not satisfy those looking for a completely silent engine or specific manufacturepproved formulas
  • β€’While offers high value, some users might prefer more premium or specialized options for extreme performance needs
  • β€’No detailed info on additive formulations or potential differences from other synthetic oils

Bottom Line

Based on user reviews and product features, Pennzoil Platinum Full Synthetic 5W-20 Motor Oil is a solid choice for those seeking a reliable, long-lasting synthetic oil that enhances engine noise reduction and protects high-mileage vehicles. It performs well across a range of vehicles, making it a versatile and cost-effective option, especially if you prefer a trusted brand with a good reputation. However, if eliminating engine noise entirely or specific manufacturer approvals are your top priorities, you might want to explore other specialized oils or consider options like AMSOIL.

Lowest at any Popular Retailer
$26.44 at Amazon
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 15 retailers to give you the short version.

Where to Buy

Prices last updated: April 29th 2026 1:52 am
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