Recommending the best synthetic oil

[martyk]

I have a 2012, 4.6 Genesis. I am coming up to the 7,500 oil change. I had my first oil change at 1,700 miles. The Genesis service manual, page 8-4, recommended Quaker State oil. I would like some help figuring out what Synthetic oil is recommended by this Forum. I see Mobil 1 has several different oils. Mobil 1, Mobil 1 High Mileage, Mobil 1 Advanced Fuel Enonomy, and Mobil 1 Extended Performance. And Which one 5W-20, 5W-30, etc?

I’d appreciate your helpin recommending the best synthetic oil, thanks in advance.

Marty

 

[EXBMWGUY]

I have been using Mobil 1 0w20 year around here in Minnesota on a 5.0 and have quiet cold starts, zero oil consumption and better than EPA sticker mileage.

 

[Potty_Pants]

Mobil 1 +1

Tough choice on my part... 5k a year miles, every 6 months free oil change with dino oil.
Doubt ill keep the car till the wheels fall off. Little voice is telling me dont waste time money on mobil1.... with this car.plus i dont trust the dealer to use my oil. Grrr prob will do mobil 1 once a year oil changes.

Ppp

 

[ShadowScoobySTi]

Cant go wrong with Mobil 1.

 

[homeofstone]

I use valvoline 5 w 30 synthetic. Mobil 1 is very good too. Both are approved by BMW and Mercedes. I use 5w30 because I live in a warm climate.

 

[Mark_888]

The Genesis service manual, page 8-4, recommended Quaker State oil.

The mention of Quaker state is a paid advertisement. I use Mobil 1 0W-30 AFE (Advanced Fuel Economy). Mobil 1 AFE is also available in 0W-20 viscosity if you live a very cold climate (or moderately cold and park your car outdoors when it is first started).

I purchase it in 5 quart jugs at Walmart to save few bucks (plus whatever extra quart bottles are needed depending on capacity of your engine, which is different for V6 and V8). I do my own oil changes, but if I took it somewhere to get done, I would purchase the oil myself and bring it with me (same with filter, although if I took it to a dealer, they obviously would have the correct filter).

 

[Crusty Old Shellback]

In the past, I used Royal Purple in a GM car I had. No issues at all. GM actually told my dealer that Royal Purple was better than anything they put in the engines. And they recomended Mobile 1 in their users manual.

I've used Castrol GTX in my other vechicle since new and no issues, 75K miles. I'll probably stick with that in the Genney as well.

 

[zielritter]

+1 for Mobil 1 5-20w in my Elantra and will use 5-30w in the Genesis.

 

[Philth]

If you are going to follow the severe service interval, I'd just stick with a non-synthetic oil. If going 7,500, then I'd use a good synthetic.

 

[brfatal]

In the past, I used Royal Purple in a GM car I had. No issues at all. GM actually told my dealer that Royal Purple was better than anything they put in the engines. And they recomended Mobile 1 in their users manual.

I've used Castrol GTX in my other vechicle since new and no issues, 75K miles. I'll probably stick with that in the Genney as well.

I figured since this recommendation came up I might as well mention it: Regular RP has consistently been shown to be terrible. UOAs for various models of cars have shown increased wear from long term use of the stuff and they lag behind every other brand in meeting ILSAC standards. Only last year did they finally meet the criteria for GF4 and GF5, the former having been the standard since 2005.

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[jnc2000]

Mobile 5w20 EP was my choice - however cronic consumption issues, and some higher than normal metal readings from BlackStone led me to switch....

Pennzoil Ultra 5w20 is now my choice with metal wear dropping, and no abnormal consumption issues.

Please note I do drive aggressively at times, and utilize the full RPM range. I've also installed a a catch can for any blowby and it has proven to be worth the time/money spent...

 

[homeofstone]

If you are going to follow the severe service interval, I'd just stick with a non-synthetic oil. If going 7,500, then I'd use a good synthetic.

Or use synthetic if you keep vehicles as long as I do. 200,000 to 250,000before selling them.

 

[scottdk]

I use Mobil 1 synthetic, but here is a Q and A from Blackstone labs:

What's the best oil to use? Ah, the million dollar question. We are an independent lab, so we don't make recommendations. It has been our experience that oil is oil, and either petroleum or synthetic-based oil will work well for just about any engine.


Come on, you're holding out on me. I should use synthetic, right? Buddy, you should use whatever you want. Synthetic oil won't guarantee a longer engine life any more than my eating organic food will guarantee I'll live until I'm 90. We here at Blackstone generally use regular petroleum-based oil because honestly, it works just as well for us.

 

[Mark_888]

I use Mobil 1 synthetic, but here is a Q and A from Blackstone labs:

Blackstone would prefer that everyone use conventional oil, because it breaks down faster and requires more testing. Testing is fine if you have a fleet of vehicles and the cost of testing small samples of your fleet is far less than the cost of the oil for your fleet (and since warranties don't apply to commercial use of vehicles), but if you are a consumer then just get a good synthetic and change it at least every 7500 miles (which is required by the drive train warranty) then you don't need to test it.

 

[QuantumRift]

When I can find it, I PREFER the German Castrol (GC) oil. True, esther-based synthetic oil. However, any 0w-20 or 5w-20 oil will meet Hyundai's specs just fine. IF you change your oil regularly, then dino oil works just as well, as long as you use a good filter (I don't there there are too many choices with the Genny anyways, as far as filters are concerned). Don't overthink it or lay away at night worrying about it. New car engines use a 0w or 5w - 20 oil due to the very tight tolerances in the engine AND to help meet EPA standards. Thinner oil requires less HP to pump it around the engine, and synthetics provide that along with good lubricity.

If you want to know the real interval between oil changes, then have an engine oil analysis done. Not expensive and you will KNOW what the condition of your oil is.

I have a 2012, 4.6 Genesis. I am coming up to the 7,500 oil change. I had my first oil change at 1,700 miles. The Genesis service manual, page 8-4, recommended Quaker State oil. I would like some help figuring out what Synthetic oil is recommended by this Forum. I see Mobil 1 has several different oils. Mobil 1, Mobil 1 High Mileage, Mobil 1 Advanced Fuel Enonomy, and Mobil 1 Extended Performance. And Which one 5W-20, 5W-30, etc?

I’d appreciate your helpin recommending the best synthetic oil, thanks in advance.

Marty

 

[Mark_888]

When I can find it, I PREFER the German Castrol (GC) oil. True, esther-based synthetic oil. However, any 0w-20 or 5w-20 oil will meet Hyundai's specs just fine. IF you change your oil regularly, then dino oil works just as well, as long as you use a good filter (I don't there there are too many choices with the Genny anyways, as far as filters are concerned). Don't overthink it or lay away at night worrying about it. New car engines use a 0w or 5w - 20 oil due to the very tight tolerances in the engine AND to help meet EPA standards. Thinner oil requires less HP to pump it around the engine, and synthetics provide that along with good lubricity.

If you want to know the real interval between oil changes, then have an engine oil analysis done. Not expensive and you will KNOW what the condition of your oil is.

You probably aren't going to believe me (yes, I have read all the posts on Bob's the Oil Guy, etc), but Castrol 0W-30 European Formula does not meet Hyundai specs. That particular oil is designed for MB, BMW, VW, and a few others. Mobil 1 has a 0W-40 European Formula Oil (that also does not meet Hyundai specs) but Mobil 1 0W-30 AFE is not a European formula oil that does meet Hyundai specs.

If you want to use Castrol synthetic that does meet Hyundai specs, then make sure it does not say "European Formula." BTW, Castrol is now owned by BP.

Here is information from the Castrol Website:

Castrol EDGE with SYNTEC Power Technology 0W-30 meets the industry specification for a 30 weight oil, which is 2.9 minimum.

Castrol EDGE SPT 0W-30 is engineered to meet European specifications which require a higher minimum HTHS viscosity. The HTHS viscosity of this product is 3.5 cp

Follow-up info — Sep 21, 2012The one reason not to publish the HTHS viscosity is that this value can lead to consumer misinterpretation. A higher HTHS may be important in delivering performance and protection. However a lower HTHS viscosity can deliver fuel economy improvement. The important item is that the level of HTHS meets the vehicle manufacturers’ requirements for both fuel economy and protection. This is controlled through their recommendation of viscosity grade ( eg 5W-30 ) and specification ( eg API SN/ILSAC GF-5).
http://www.bobistheoilguy.com/castrol-edge-qa/​

In addition to the above info from Castrol, European Forumula Oils are formulated with low sulfated ash, phosphorus and sulfur (SAPS) for environmental reasons in the EU.

 

[zielritter]

When I can find it, I PREFER the German Castrol (GC) oil. True, esther-based synthetic oil. However, any 0w-20 or 5w-20 oil will meet Hyundai's specs just fine. IF you change your oil regularly, then dino oil works just as well, as long as you use a good filter (I don't there there are too many choices with the Genny anyways, as far as filters are concerned). Don't overthink it or lay away at night worrying about it. New car engines use a 0w or 5w - 20 oil due to the very tight tolerances in the engine AND to help meet EPA standards. Thinner oil requires less HP to pump it around the engine, and synthetics provide that along with good lubricity.

If you want to know the real interval between oil changes, then have an engine oil analysis done. Not expensive and you will KNOW what the condition of your oil is.

At this risk of hijacking this thread (I think the OP has his answer anyway), what are the acceptable non-Hyundai brand oil filters I can use for my 2012 3.8L? I saw in another thread that Wix caused an issue and resulting TSB so I want to avoid that.

I also know there is one large o-ring (as opposed to 2 in prior to 2012 models) for the canister I should be replacing when I do a change and I didn't know if the aftermarket filters had that included.

 

[Mark_888]

If you want to know the real interval between oil changes, then have an engine oil analysis done. Not expensive and you will KNOW what the condition of your oil is.

Since any decent synthetic will last at least 7500 miles (the maximum you can go and still keep the Hyundai drivetrain warranty), why waste another $25 on an oil test?

 

[Mark_888]

At this risk of hijacking this thread (I think the OP has his answer anyway), what are the acceptable non-Hyundai brand oil filters I can use for my 2012 3.8L? I saw in another thread that Wix caused an issue and resulting TSB so I want to avoid that.

I also know there is one large o-ring (as opposed to 2 in prior to 2012 models) for the canister I should be replacing when I do a change and I didn't know if the aftermarket filters had that included.

All of the after-market filters (including Wix) sold for the Hyundai Genesis are made by the same OEM filter manufacturer as the Hyundai filter. I buy the Hyundai filters online since they are just as cheap as any of the others I have seen.

The TSB is for all Hyundai's and all years. It is not specifically for the Genesis or the Wix filter. However, the filter did change for 2012, so make sure you get the correct one.

 

[krazyfiend]

I'm surprised no one has mentioned Amsoil. It's top notch stuff, validated by studies that the RP (Royal Purple) producers/marketers have always avoided. I like to run their stuff for my transmission fluid and find myself cheaping out for Mobil 1 --lol..yeah..read below...

When there's a coupon running at Costco for 10$ off a 6qt pk of Mobil 1 or Wal-Mart (the only time I begrudgingly go to that store) is running a 5qt for 23$ -- I stock up and just go w/ some Mobil 1. My Acura/Honda dealer charges 9$ for labor and allows customer oil/filter to be brought in. I'd usually side with doing it myself, but that's cheap enough for my time and to pick up a free Mike's Carwash ticket to give to the gf w/ that 9$ labor charge.