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My dealer stocks Mobil 1 0w-30 ESP and recommends this for the 2.5T. Which oil are you using in your 2.5 Turbo engines?
 

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2022 Santa Fe, 2.5T, wDCT, Calligraphy Red
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My dealer offers quaker state euro lx 0W-30 which (AFAIK) is not GF-6. I've used Mobil1: 0W-30 AFE and Amsoil: 0W-30 SS. With Amsoil 0W-30 SS, engine idling at cold start and on normal run as well, engine kinda sounds relaxed (like less truckness). Mobil1 0W-30 AFE is also pretty good and is much cheaper compared to Amsoil SS.

I wish Amsoil had offered 0W-30 on their OE series but they don't. I continue to use Amsoil SS for now (I don't mind spending few $) but otherwise, Mobil1: 0W-30 AFE ticks all the box for 2.5T in terms of specs (as per owners manual) and there are great deals on M1 once every quarter, enough to stock up for a year.
 

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2021 Sonata N-Line
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My 2.5T powered Sonata N Line likes Mobil1 0W-30 AFE because it's less expensive than ESP :unsure: My OCI is 6000 miles.
 

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All you need is M1 0/30 AFE, which is a group-III full synthetic oil, meaning the base stock is still dino, but you don't really need any more than that if not pushing OCIs... which you cannot do during warranty anyway. The ESP is a group-IV truly full synthetic oil, which is what is what Porsche specs for the 2.0T Macan, but you can go 2 year intervals with that, if you drive very little. Since Hyundai specs one year, I always use AFE, which is cheaper, and more readily available (but still a bit scarce). And I personally always use OEM oil filters, and a magnetic drain plug (GoldPlug). Hope this helps.
 

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2022 Santa Fe, 2.5T, wDCT, Calligraphy Red
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I know about the different oil groups... Is M1 ESP really a group-IV synthetic oil?
The Mobil1 ESP 0W-30 data sheet is rather ambiguous in that it doesn't specifically indicate that it is a Group IV ester based full synthetic oil. NA-XX-Mobil-1-ESP-0W30 (1).pdf
If you're looking for a full-synthetic ester formula oil, then I would suggest Red Line is a good choice. 0W30_MO_PROD_INFO_2020.pdf (redlineoil.com)
IMNSHO if you're maintaining an OCI of 6K to 7K miles for your daily driver Hyundai paying extra for a Group IV or ester based full synthetic oil is overkill.
Per factory recommendation I use either Castrol Edge or Red Line ester based 10W-60 in my 2007 S54 powered BMW Z4 M Coupé.
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Although group3 stars as a dino. It is highly refined and hyrocracked, molecules completely rearranged and redefined oil.

So it becomes a synthetic man made fluid.
The gaps between a grp3 and 4 are so small now. No engine analysis proves one over the other.

I'd get what ever name brand syn is on sale.
And enjoy the benefits of modern engine oils.
 

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My dealer stocks Mobil 1 0w-30 ESP and recommends this for the 2.5T. Which oil are you using in your 2.5 Turbo engines?
If that's what's inside your engine currently, be sure to only accept a dealership oil change receipt that states exactly what was used.....ie.... Mobil 1 0w-30 ESP.
Product inventory part numbers and UPC Code numbers should match.

Not all 0w30s have the same certifications, approvals and licenses. All three nearby Hyundai dealerships here stock Pennzoil Platinum Euro LX 0W30 and receipts I saw indicate Pennzoil Platinum Euro LX 0w30 was used.

Our mixed fleet of pickups and SUVs that help maintain / repair school buses gets Service Pro 0w30 oil. I see several 6pk cases of it in our work garage. I think it's derived from Highline Warren Co and basically the same company that produces Supertech, Amazon & Kirkland oils.

I see a huge bulk oil tank that's used for the 165 school buses. I do believe it's a mixed fleet Delvac 5w40 that's being used. Not 100% sure though. Yes, 165-170 buses here. I think we are the 3rd largest school bus fleet in the country. Not quite 100% sure on that also.

We drive Special Needs students across the County daily and accomodate them to more than 15 different schools - then back home in the afternoon. These are hugely rewarding retiree jobs for us 30 year career beer haulers of the past......lol.

I tried doing it on a free, volunteer basis initially (six years ago). But they wouldn't let me enter - nor drive their buses, without taking a paycheck and benefits first.
 

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The gaps between a grp3 and 4 are so small now. No engine analysis proves one over the other.
I agree with that, especially without pushing OCIs. And ester based oils are group V, not IV. At least the last time I checked. Ha ha. Those are obviously the best, but even more of an overkill when used on a regular vehicle. By the way, European formula full synthetics have to be group IV because they cannot call them full synthetics in Europe with any dino oil in them, like group IIIs. Remember those came to be in the US after a Castrol lawsuit, but as mentioned before, the gap is very small between group III and IV.
 
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I agree with that, especially without pushing OCIs. And ester based oils are group V, not IV. At least the last time I checked. Ha ha. Those are obviously the best, but even more of an overkill when used on a regular vehicle. By the way, European formula full synthetics have to be group IV because they cannot call them full synthetics in Europe with any dino oil in them, like group IIIs. Remember those came to be in the US after a Castrol lawsuit, but as mentioned before, the gap is very small between group III and IV.
Oh I remember the Castrol bs court nonsense.
The Euro oils blends, except ones that clearly state made in Germany, here can be hydrocracked.
Over the pond is different.
 

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There was no Castrol lawsuit. It was a simple advertising marketing complaint and didn't have judges/courts involved.

Mobil1 AFE is an SP/GF6 oil. The ESP is a Euro oil. The formula changes often enough. ExxonMobil manufacturers many base oils and you'll never know what you get because like most, they'll have multiple recipes to keep the bottling plant going. Group3, GTL, PAO, Ester, mPAO, VII/VM ratios of ANY of their oils is always UNKNOWN. MSDS info is vague and datasheets aren't always up to date.

Europeans call 4/5 grouped oils as full synthetic and group 3's as techo synthetics. Its all meaningless. You do not buy a base oil. You buy a fully formulated lubricant. Performance isn't always base oil dependent, or even guaranteed because of base oil.

What is good/better/best is unknown. What is known is that some automakers have more demanding requirements for hot/cold weather, noack volatility, oxidation/nitration, tbn/tan retention, and most importantly, lubricant wear protection.

The gaps among performance criteria of base oils is not close. And, analysis can tell the difference easily. But the analysis needed isn't in a typical drivethru quality <$40 UOA.

The servicepro 0w-30 is 12cst which is common to higher HTHS euro and hdeo's, and all their oils are groupIII based. Post pictures of the bottle labels to see what spec's they claim on the bottle. I'd have no problem using it.

The Mobil1 ESP and Pennzoil Euro 0w30's are high HTHS oils and meet the C30/504/507... requirements.
The Mobil1 AFE is an API SP/GF6 normal HTHS higher MPG oil. Fram API/ILSAC 0w30 is another available at autopart stores.

Some might argue that the euro oils protect better, or motor oil film thickness protects better. Its hard to argue very demanding automaker requirements vs so-called industry standards that cater to MPG.

If your dealer uses Pennzoil Euro 0w30 or Mobil1 ESP 0w30, they are breaking rules and not meeting the so-called 'recommendations' from your owners manual. Since they don't meet the API/ILSAC SN+, SP, GF6 requirement recommendation, you should follow the service service interval of 5000 miles, assuming you're in the USA and have read your owners manual.

What we do know is that some HyundaiKia engines don't last long with HyundaiKia's recommendations. So, its up to you to adapt your interval, oil brand/type/grade... for whatever your expectations are... which IMHO shouldn't be too high for this automaker. The brand never seizes to amaze me with their incompetence.
 

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There was no Castrol lawsuit. It was a simple advertising marketing complaint and didn't have judges/courts involved.

Mobil1 AFE is an SP/GF6 oil. The ESP is a Euro oil. The formula changes often enough. ExxonMobil manufacturers many base oils and you'll never know what you get because like most, they'll have multiple recipes to keep the bottling plant going. Group3, GTL, PAO, Ester, mPAO, VII/VM ratios of ANY of their oils is always UNKNOWN. MSDS info is vague and datasheets aren't always up to date.

Europeans call 4/5 grouped oils as full synthetic and group 3's as techo synthetics. Its all meaningless. You do not buy a base oil. You buy a fully formulated lubricant. Performance isn't always base oil dependent, or even guaranteed because of base oil.

What is good/better/best is unknown. What is known is that some automakers have more demanding requirements for hot/cold weather, noack volatility, oxidation/nitration, tbn/tan retention, and most importantly, lubricant wear protection.

The gaps among performance criteria of base oils is not close. And, analysis can tell the difference easily. But the analysis needed isn't in a typical drivethru quality <$40 UOA.

The servicepro 0w-30 is 12cst which is common to higher HTHS euro and hdeo's, and all their oils are groupIII based. Post pictures of the bottle labels to see what spec's they claim on the bottle. I'd have no problem using it.

The Mobil1 ESP and Pennzoil Euro 0w30's are high HTHS oils and meet the C30/504/507... requirements.
The Mobil1 AFE is an API SP/GF6 normal HTHS higher MPG oil. Fram API/ILSAC 0w30 is another available at autopart stores.

Some might argue that the euro oils protect better, or motor oil film thickness protects better. Its hard to argue very demanding automaker requirements vs so-called industry standards that cater to MPG.

If your dealer uses Pennzoil Euro 0w30 or Mobil1 ESP 0w30, they are breaking rules and not meeting the so-called 'recommendations' from your owners manual. Since they don't meet the API/ILSAC SN+, SP, GF6 requirement recommendation, you should follow the service service interval of 5000 miles, assuming you're in the USA and have read your owners manual.

What we do know is that some HyundaiKia engines don't last long with HyundaiKia's recommendations. So, its up to you to adapt your interval, oil brand/type/grade... for whatever your expectations are... which IMHO shouldn't be too high for this automaker. The brand never seizes to amaze me with their incompetence.
Mobil 1 took Castrol to court over its use of synthetic oil term,being a group 3 oil.
 
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