Oil Change interval question

[glennk]

Over the last few months, I've put virtually no mileage on my Genesis. It has been mostly short distance trips. The manual says the next change interval is at 18750. I've currently got 16300. Should I just change the oil now or wait until reaching 18750?

 

[BARRYW]

If your car is still under warranty it is 7500 or once a year. Other than that you can change it when you desire. That warranty is 10years/100,000miles for the engine.

 

[glennk]

Is there a general time frame? Every 6 months?

 

[Mark_888]

Is there a general time frame? Every 6 months?

Every 7500 miles or 1 year, whichever comes first, unless you are using the "severe" service schedule as specified in the owners manual.

If you are using a full synthetic oil, you can go 1 year easily if you don't exceed 7500 miles.

 

[silberma]

Short distance trips are severe duty. The oil never heats up properly allowing water from combustion to accumulate in the oil which leads to acids and sludge. Oil changes for the Genesis are cheap compared BMW and Porsche, etc. The dealer changed for free my oil on my 2017 G80 after six months with 3,800 miles under severe duty. I am doing another oil change shortly at 1 year with 6,000 miles.

 

[Mark_888]

Short distance trips are severe duty. The oil never heats up properly allowing water from combustion to accumulate in the oil which leads to acids and sludge. Oil changes for the Genesis are cheap compared BMW and Porsche, etc. The dealer changed for free my oil on my 2017 G80 after six months with 3,800 miles under severe duty. I am doing another oil change shortly at 1 year with 6,000 miles.

He said mostly short distance trips. A few moderate or long distance trips mixed in will suffice. Also, I get the impression that the car sits in the garage most days, in which case that is no problem. So long as synthetic oil is used, going 1 year is no problem going 7500 miles or 1 year (which ever comes first).

 

[glennk]

He said mostly short distance trips. A few moderate or long distance trips mixed in will suffice. Also, I get the impression that the car sits in the garage most days, in which case that is no problem. So long as synthetic oil is used, going 1 year is no problem going 7500 miles or 1 year (which ever comes first).

You are correct. Most time the Genesis just sits. I have standard oil with BG additive. At my next change, I will be moving to synthetic. Just makes sense for it better lubrication properties.

 

[Lord Humunculous]

amazon always has great prices on redline... not saying it is the "best", oof don't want to start that discussion again... just sayin. Mobil1 is also excellent too. I am about to do a comparison post of the filters available to us with lots of big pics and measurements, so be sure to check that out if you plan on doing your own changes in the future.

 

[glennk]

amazon always has great prices on redline... not saying it is the "best", oof don't want to start that discussion again... just sayin. Mobil1 is also excellent too. I am about to do a comparison post of the filters available to us with lots of big pics and measurements, so be sure to check that out if you plan on doing your own changes in the future.

I've found that Wal-Mart has the best prices on oil.

 

[Mark_888]

I've found that Wal-Mart has the best prices on oil.

Absolutely correct. In fact, if you look closely at most of the 5 quart containers on Walmart shelves, they have a Walmart logo on them, as they are specially packaged for Walmart, and much cheaper than buying 5 one quart bottles.

Mobil 1 has been giving $10 rebates for each 5 quarts purchased. They have been offering the rebates twice per year, once in the spring and once in the fall. Check their site in October. Even though Walmart is not listed as a participating retailer, Mobil 1 will accept receipts from them.

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[glennk]

Absolutely correct. In fact, if you look closely at most of the 5 quart containers on Walmart shelves, they have a Walmart logo on them, as they are specially packaged for Walmart, and much cheaper than buying 5 one quart bottles.

Mobil 1 has been giving $10 rebates for each 5 quarts purchased. They have been offering the rebates twice per year, once in the spring and once in the fall. Check their site in October. Even though Walmart is not listed as a participating retailer, Mobil 1 will accept receipts from them.

I've decided to stick to Quaker State in the interim. Makes things easier if something does happen to the engine.

 

[Mark_888]

I've decided to stick to Quaker State in the interim. Makes things easier if something does happen to the engine.

If you think that Hyundai will be less likely to honor a warranty if someone doesn't use Quaker State, that is not going to happen. Most dealers do not even use Quaker State, and the factory fill is not Quaker State (since QS is not sold in Korea). They use Shell at the factory.

BTW, Quaker State and Pennzoil are both part of Royal Dutch Shell. In the US, the premium products are Pennzoil, and Quaker State is a little bit less expensive, which is why Shell thought it was more appealing to Hyundai buyers (the QS "recommendation" is for all Hyundai's, not just the Genesis).

By far, the most important thing is to use a major brand of synthetic oil instead of conventional oil. The actual brand is not that important.

 

[jarred52]

I totally agree with Mark. You paid a lot of money for your car; don't go cheap on your oil. Use a synthetic oil.

I take my own Mobil1 to my Hyundai dealer for my oil changes on 6 month intervals and use the dealer's filter. my dealer charges me $20 plus the cost of the filter. (I put about 8,000 miles per year on my car).

 

[glennk]

Right around $20-$22 for 5 quarts of synthetic. Definitely going to synthetic, with the short distances I drive and the weather extremes.

- - - Updated - - -

If you think that Hyundai will be less likely to honor a warranty if someone doesn't use Quaker State, that is not going to happen. Most dealers do not even use Quaker State, and the factory fill is not Quaker State (since QS is not sold in Korea). They use Shell at the factory.

BTW, Quaker State and Pennzoil are both part of Royal Dutch Shell. In the US, the premium products are Pennzoil, and Quaker State is a little bit less expensive, which is why Shell thought it was more appealing to Hyundai buyers (the QS "recommendation" is for all Hyundai's, not just the Genesis).

By far, the most important thing is to use a major brand of synthetic oil instead of conventional oil. The actual brand is not that important.

My local dealer uses Quaker State exclusively. But I agree, using Pennzoil, Quaker State or Shell doesn't matter.

 

[Seejay]

This is a highly contentious subject among gear heads. I found this brief article on synthetic oils from MPT to be quite free of BS (except the test results which amazingly show MPT to be on top):
https://www.pca.org/news/2015-11-02/synthetic-word-relates-motor-oil

The major oil companies seem to be mute about what is actually _in_ their lubricants. Amsoil, Redline and MPT are probably the best oils out there now, though there was a time when Mobil 1 bragged that their oil was pure Group IV (PAO).

To extend the life of oil in a low-use car, fully warm up the engine and powertrain by driving it 30 minutes or more before parking. This drives the water out of the oil. I do this to my wife's car every time I fill the gas tank (once a month, I am not kidding, she puts about 4000 miles a year on a car). This has many other benefits as well, for example, circulating fully warmed transmission fluid through the torque converter.

 

[Mark_888]

1. The NOACK volatility test (which tests evaporation) is not that significant so long as evaporation is within required specs. I have used Mobil 1 oil for decades, and never had to add oil between changes (that is also obviously a testament to the car and the oil). Even if evaporation did result in some viscosity loss, the margin of error greater than the amount lost. Besides, I use Mobil 1 5W-30 and Hyundai recommends 5W-20 for my engine, so a small viscosity loss is not an issue. The High Temperature/High Shear testing falls into the same category, so long as one just uses 5W-30.

2. Amsoil makes three different "synthetic" oils, and only one of them is exclusively Group IV and V, and that oil is not API certified and does not meet Hyundai specifications. It is also very expensive, especially when compared to 5-quart jugs of other synthetics sold at Walmart. The other two Amsoil motor oil products contain various amounts of Group III base stock, like most other "synthetics" sold in the USA. Amsoil uses this bait and switch tactic, where they show how great their top oil is, but then end up selling the run-of-mill synthetics because they are more price competitive.

3. Mobil 1 does make synthetic oil that has only Group IV and V base stock (no Group III). Those are oils designated at European Formula such as Mobil 1 0W-40, and specified for many German cars. All Mobil 1 synthetics sold in Europe are Group IV and V only, as required by law.

4. The issue of how Group III synthetics came to be allowed to be labeled as synthetic in the USA is an old story by now. There have been many significant improvements in the quality of Group III synthetics since the original ruling in favor of Castrol (now owned by BP). So it is not really clear how important it is to have Group IV and V only in motor oil, so long as a high quality Group III product is used.

5. Mobil 1 synthetics sold in the USA (except the European Formula ones) are a combination of Group III, IV, and V base stocks. This can be verified by looking at the MSDS's in Japan, which is the only country that I know of that requires this disclosure on the MSDS (which is available on the Exxon Mobil website). Maybe the new Mobil 1 Annual Protection synthetic (almost double the price of regular Mobil 1) is Group IV and V only, not sure. Most other name brand synthetics (Castrol Edge, Pennzoil Platinum, Valvoline Synpower, etc) are Group III only.

6. Any of the major synthetics, including the Group III ones, exceed the motor oil requirements specified by Hyundai, which doesn't even require synthetic motor oil.