Piston Slap: Hyundai's Religious Society of Friends

Sajeev Mehta
by Sajeev Mehta

Longtime TTAC reader dastanley writes:

As a TTAC reader and sometimes blog participant, I have a question about motor oil in our 2008 Hyundai Tucson with the 2.7L V-6. The owner’s manual recommends Quaker State 5W20, 5W30, and 10W30 in that preferential order. Why Quaker State? Is there an engineering/operational reason for that particular brand or is that a marketing deal where Hyundai gets cheaper oil for their new cars off the assembly lines if they recommend Quaker State?

Sajeev replies:

If this were Pistonhead Jeopardy, I’d go with “Marketing Tie-Ins for $800, Alex.”

The Ferrari Enzo has unique oil requirements, fitting well with their lease-to-own scheme. More to the point, a Tucson ain’t no Enzo. All oils meet specifications (that minimalist donut graphic on every quart of oil) set by the American Petroleum Institute. I doubt Quaker State has any significant benefit over other oil manufacturers. Use whatever you want; even Wal-Mart’s SupraTech oil gets the job done. As mentioned previously, switch to synthetic oil if you plan on keeping this Tucson as a family heirloom.

And legally, there’s no reason (via voiding your warranty) for Hyundai to punish you for choosing other brands over Quaker State. As TTAC commentator skor mentioned, the Magnuson-Moss Warranty Act shall save your bacon. This law (per Wikipedia) states that, “Warrantors cannot require that only branded parts be used with the product in order to retain the warranty.” Indeed.

Back to the question: there’s no engineering or legal incentive for a manufacturer to “recommend” one brand over another. Until you follow the money: there’s a good reason why Hyundai is in love with Quaker State. Marketing skills über alles.

[send your technical queries to mehta@ttac.com]

Sajeev Mehta
Sajeev Mehta

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  • Shaker Shaker on May 21, 2009

    05gt: Thanks, no guilt using anything with the right grade... John Horner:"FWIW, Quaker State is one of the brands of SOPUS..." Cripes! Victimized by another "Shell Game!". Per an enthusiast's website, I run Rotella T (blue bottle) in my Kawasaki Z750S... So, I guess that makes me a "Shell" man. :-P :-)

  • Dastanley Dastanley on May 21, 2009

    Thanks Sajeev for answering my question. To make a long story short, our '05 RAV4 was totaled in an accident. No injuries (and no, I was not driving) but about a month ago my wife, daughter, and myself went to Carmax in Albuquerque with the intent of getting another RAV4 (I HATE the process of buying a used vehicle and Carmax seemed the easy way out). My wife saw the Tucson, liked it, and that was that. Carmax performed an oil change before we bought it but I'm planning to change the oil early to get on the same schedule as our Corolla and to switch to either blend or synthetic. Thanks again Sajeev!

  • 1995 SC I will say that year 29 has been a little spendy on my car (Motor Mounts, Injectors and a Supercharger Service since it had to come off for the injectors, ABS Pump and the tool to cycle the valves to bleed the system, Front Calipers, rear pinion seal, transmission service with a new pan that has a drain, a gaggle of capacitors to fix the ride control module and a replacement amplifier for the stereo. Still needs an exhaust manifold gasket. The front end got serviced in year 28. On the plus side blank cassettes are increasingly easy to find so I have a solid collection of 90 minute playlists.
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