I'm always skeptical of Wal-Mart's products, and oil would be one of them for sure.
I've spoken with people who work for companies that supply to Wal-Mart, and they have to take a very "chinese" approach- make a product extra-cheap for Wal-Mart. This "cheapification" is more apparent in some products than others, but I'm always afraid of what I can't see.
One possibility, and this is COMPLETE speculation, would be that the oils sold to Wal-mart are the "startup" and "shutdown" product from the manufacturing plant, which could have a less-certain mix of components or might carry residual product from the previous product made on that machine. Then Pennzoil would leave the higher-quality, more "in-spec" product for more premium purchasers. But there are plenty of ways that Pennzoil could supply a "cheapified" product to Wal-Mart and still meet the specifications on the label (as long as they are bent & twisted just slightly).
Of course we Americans have totally forgotten how to comparison shop- if we see a phone with 12 buttons, we think "well it has 12 buttons so it must work the same as the Radio Shack phone with 12 buttons" and ignore the fact that the wal-mart phone has cheaper springs, lower quality materials, thinner casing, shorter cords, and so on. And believe me, Wal-Mart is going to do everything they can to make you comparison shop THEIR way - "this phone has 12 buttons, and it only costs $X.XX" and hopes you overlook many of the less obvious traits of the product.
First of all, the comparison is 5 1Qt bottles, vs 1 5Qt bottle @ Wallyworld. Naturally you should get a bulk price from the 5Qt bottle (but not always). Take two seemingly identical products. For example Mobil 1 5W30 Extended Performance oil. Check the UPC code for the one @ Wal-Mart, and the UPC code for one @ your local auto parts store. If the #'s match, you're buying the same product. If they don't, even if its only by 1 digit, something's different.
I've learned a lot in the past couple of years, and I've stopped using the orange can of death on my vehicles (Save for Rusty, I still have a stockpile of them that fit, and it only goes maybe 1,000 miles between oil changes anyway).
stop being paranoid the walmart 5 quart bottles are not less anything ....... they are the same oil as that sold in autozone or ricermart ..... save the conspiracies for walmart underwear and socks and their vile offering of "food"
paranoid....... there are laws that prohibit that, they also print whats in the food on every label, check the labels on the food they sell at walmart, and you will be horrified, thats like saying a cd player sold at wal mart has a fake label on it, because its 20$ cheap than it is at circuit city dude, paranoiddddd
I hope nobody here uses the Extended Performance Mobil 1... That's some of the most disgusting oil I think I've ever seen lol. The texture and everything is just all wrong!
you're right, its neon colored, i had to stop using that stuff because it burned so badly back to pennzoil synthetic, saturns burn oil, this helps them.. pennzoil is make by a real motor oil company, mobil is a joke, remember its exxon mobil funding the overthrow of iraq and venezualian government and funding false reports on global warming, mobil1 is pure overhype, probably castrol repackaged
i stopped buying gas at mobil stations because every time it rained my car ran like crap
i'll defend Bob. i've been in retail and wholesale, and i can tell you what he says is in fact true. manufacturers and such MUST cater to low price seekers even if it means inferior products. "you get what you pay for" is a legit concept.
i find it amusing that some blast capitalism ONLY when it's convenient. ie wally world couldn't possibly break laws or be immoral, but those oil companies...well, they're just evil!
in regard to synthetics, i'd make an informed purchase. mobil1 and amsoil are the only brands i'm certain that are 100% PAO based TRUE synthetic oil. but, mobile1 does sell generic non-fully synthetics, so be careful. again, you get what you pay for and cheaper products are there to generate extra sales.
one last thing. amsoil contains more expensive, higher quality PAO bases than mobile1, and also has ester to help condition seals giving longevity to them. disclaimer: i do NOT sell amsoil.