Hyundai Theta (G4KC) 2.4L

[04SE]

What is everyone running in their 4 cylinder Sonata or Optima? My 2010 Optima's owner manual allows for 5w20 through 10w30. However, the oil fill cap says 5w20. My current fill is Mobil 1 5w20 for the winter time and I plan on running it between 5K and 7.5K and then sending a sample off to the Stoners. Mobil 1 was not my first choice and I actually wanted some Quaker State Ultimate Durability but the Mobil 1 was free. I am basing my oil choice on price only for this engine. It seems to run good on just about anything.

My trips are generally VERY short with a 2.2 mile trip to work and then back each day. It does see some cross town trips and highway trips to keep the oil moisture free.

I am running 5w20 because of my short trips and winter temperatures. However, I think come spring I will flip a coin to see if I will run MC 5w20 or some Quaker State Ultimate Durability 5w30. The MC 5w20 is up in price enough that the Quaker State Ultimate Durability is a nice upgrade for essentially nothing ($18 vs $19).

 

[Nickdfresh]

Those engines are pretty solid and you can't seem to really make a bad choice. Personally, I'd run Mobil 1 Advanced Fuel Economy 0w20 for most of the year, and maybe Mobil 1 Advanced Fuel Economy 0w30 in summer.

They used to allow for everything multiweight up to 15w40...

 

[Eddie]

I'd probably seriously consider 0w30 all year.

 

[ddean]

As long as you are driving at highway speeds for 20 miles or more every once in a while then you are fine with any oil. This was the last year for the non gas direct injection engines that automakers are experimenting with on the public. I would hate to see a short trip UOA on a GDI engine.

 

[JTK]

The Mu series 2.7L V6 in my 2008 Santa Fe was the same way. It recommended 5w20 & had that stamped on the oil cap.

However the manual showed a crazy allowable range, like 5w20 through 20w50 depending on your conditions.

I always ran synthetic 5w20 @ 7Kmi OCIs, but I drive no less than 1500mi/month.

Joel

 

[4x4chevydude]

I do 5w20 all year long in my Sonata motor and its always been good. I would do a 0w20 if I ran synthetic though but I would rather do Conventional oil.

 

[ChrisD46]

5W Quaker State Ultimate Durability during winter , 5W20 Quaker State Advanced Durability during summer.

 

[bigblumer]

I've been running valvoline or VYB lately at 5k OCI, but I am thinking of going to TropArtic as I can get it cheap at Sam's Club. TA seems to be very similar to Motorcraft. I always use a Napa Gold or PureOne filter.

 

[crazyoildude]

they are both conoco products and they are both good oils

 

[andrei3333]

i have an 06 tucson withthe 2.0 engine at first it used to get 5w30 syntec with some cheap filter and ran a bit loud. latet on in its life i changed to 5w30 ultra with oem filter and the engine is super quiet at idle now i have the first fill of 5w-20 ultra and cannot tell the difference. but u should definitely use the oem filter there is a tsb out for it plus its a very solid filter.