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Any harm in using 0w20 in a Kia that specifies 5w20? #5278190 11/26/19 05:25 PM
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Whammo Offline OP
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The Kia manual allows 5w20, 5w30, and 10w30 depending on climate. Would a 0w20 be a problem? I don't see how it could be... We can get down to -25f or even -30 where I'm at.

Last edited by Whammo; 11/26/19 05:25 PM.
Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278193 11/26/19 05:29 PM
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Yah-Tah-Hey Offline
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NO

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278196 11/26/19 05:30 PM
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skyactiv Online Content
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It'll be better in my opinion.


Wife: 15' Audi A4 quattro 6 speed manual
Sold: 13' VW GTI 3 door 6 speed manual
Me: 18' Elantra Sport 6 speed manual


Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278200 11/26/19 05:40 PM
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pbm Offline
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I don't think you would have a problem.. My question pi n is...would there be any issue running 5w20 where 0w20 is spec'd?...I have plenty of 5w20 in my stash
..


'Journalism is Dead'
Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278234 11/26/19 06:17 PM
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PowerSurge Offline
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No. It will actually be better to run 0W-20.

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278244 11/26/19 06:24 PM
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walterjay Offline
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How exactly will it run better on 0-20? I would like to know since I have a Hyundai engine.

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: walterjay] #5278245 11/26/19 06:25 PM
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Whammo Offline OP
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Originally Posted by walterjay
How exactly will it run better on 0-20? I would like to know since I have a Hyundai engine.


I think they mean in temps below 0.

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278255 11/26/19 06:37 PM
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ad244 Offline
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Probably better

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278294 11/26/19 07:21 PM
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WhizkidTN Offline
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I'd use 0W-20 if it was mine. I run 0W-40 in my Kia Optima Turbo (tuned) with good effect.


His: '12 Kia Optima SX - 2.0L GDI Twin-Scroll Turbo [Tuned] (86K)
>EDGE 0W-40, Fram XG9688
Her's: '14 Nissan Rogue SL AWD - 2.5L NA (97K)
>EDGE 0W-20, Fram XG6607/XG7317
Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278333 11/26/19 08:01 PM
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benhen77 Offline
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Personally, I'm wating until after the warranty is up to run 0w20. Kia dealers are pretty notoriously terrible about warranty claims- not that I think I'll ever need to make a claim. Yes, you can fight them and probably win, but I'm for just using whatever the manufaturer recommends and avoiding that potential conflict.


2012 Kia Forte EX 2.0 I4 6AT 49k- Valvoline Synpower 5w20
1994 BMW 530i, 5MT 201k M1/Castrol 0w40
2009 Honda Accord 2.4 I4, 5AT, 178k- RP 0w20
2004 BMW X5 4.4l 239k- M1 0W40 FS
Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: benhen77] #5278340 11/26/19 08:08 PM
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Jackson_Slugger Offline
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Originally Posted by benhen77
Personally, I'm wating until after the warranty is up to run 0w20. Kia dealers are pretty notoriously terrible about warranty claims- not that I think I'll ever need to make a claim. Yes, you can fight them and probably win, but I'm for just using whatever the manufaturer recommends and avoiding that potential conflict.


They are terrible about claims, but I doubt those dolts would be able to discern the difference between 5W and 0W-20. Mostly they deny for things like the timing belt not being changed on time, etc...

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278345 11/26/19 08:16 PM
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Loobit Offline
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Absolutely not. You want an 0w-xx oil for those temperatures. If I lived in that kind of climate with my current vehicles that use 5w-30, I'd go look for 0w-30. It will always be better for cold starts.

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Loobit] #5278359 11/26/19 08:26 PM
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Whammo Offline OP
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Originally Posted by Loobit
Absolutely not. You want an 0w-xx oil for those temperatures. If I lived in that kind of climate with my current vehicles that use 5w-30, I'd go look for 0w-30. It will always be better for cold starts.


Do you have any conjecture as to why they wouldn't list that weight in the manual for those temps?

Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278443 11/26/19 10:07 PM
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redbone3 Offline
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Here is the word from Mobil: https://mobiloil.com/en/viscosity/0w-20


2014 Passat Wolfsburg, 1995 Miata.
Re: Any harm in using 0w20 in a Kia that specifies 5w20? [Re: Whammo] #5278486 11/26/19 11:46 PM
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Ded Mazai Offline
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It may hurt. Hyundai generally likes thicker oils like 5W-40. So they try to avoid any 0W-x oils in their recommended list. I think 0W-40 can be a reasonable choice for cold climates.

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