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16 Kia Optima ex 2.4 oil #5424787 05/09/20 02:26 PM
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gabriel9766 Offline OP
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Boyfriends oil change is due and I need to grab the oil while I’m at the store tonight. Last time I think I used a Fram orange filter and Super tech 0W 20. I know we’re getting into the warmer months and he idles a lot and remote starts a lot even in the summer and was thinking I should probably up it to a 30 Weight. I think the Says 20 but I think you can use a 30 weight. Oil is very black even after changing and has like 45-50K on vehicle.

Last edited by gabriel9766; 05/09/20 02:27 PM.

2018 Mazda6 Touring 2.5L (CPO)
2015 Focus S (lemon law buyback)
2007 Escape XLT 3.0L
2010 Fusion SE 2.5L
2008 Escape XLT 2.3L (brother wrecked)
2007 Fusion SE 2.3L (sold)
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424795 05/09/20 02:37 PM
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Read the owners manual. I believe they can use 5W20, 5W30, and 10W30.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2007 Chevy Trailblazer 4.2 - 2003 Ford Taurus 3.0 Vulcan
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424799 05/09/20 02:42 PM
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My wife's Optima specs anything from 5W30 up to 5W40, due to the turbo. I have so much PP10W30, that's what I've been running in the summer.


2019 Escape EB AWD/2016 KIA Optima SXL 2.0L Turbo/2012 F150 Ex-cab 5.0L
1992 YJ "The Heep"/2015 Chrysler 200 Limited
1975 Ford Bronco/1959 Willys CJ5/Tube Rock crawler
Re: 16 Kia Optima ex 2.4 oil [Re: FordBroncoVWJeta] #5424805 05/09/20 02:51 PM
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Originally Posted by FordBroncoVWJeta
Read the owners manual. I believe they can use 5W20, 5W30, and 10W30.

Don’t have it with me, he works all day


2018 Mazda6 Touring 2.5L (CPO)
2015 Focus S (lemon law buyback)
2007 Escape XLT 3.0L
2010 Fusion SE 2.5L
2008 Escape XLT 2.3L (brother wrecked)
2007 Fusion SE 2.3L (sold)
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424809 05/09/20 02:57 PM
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addyguy Offline
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In the warm south in the summer I would definitely use a 5W-30 in that engine, and keep the changes short, 3-4K miles.


2010 Kia Soul 2U - 2.0L I-4, auto; 153k miles.
Castrol GTX 5W-20; Motomaster MPH 9688

2009 Pontiac G5 - 2.2 I-4, auto, 121k miles.
Oil/filter TBD
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424820 05/09/20 03:10 PM
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MParr Offline
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5W30 Super Tech full synthetic
FRAM Tough Guard TG9688 or FRAM Ultra XG9688
I wouldn’t use the Orange Can.

Last edited by MParr; 05/09/20 03:11 PM.

2019 VW Tiguan SE 2.0 TSI Now: Castrol Pro OE LL IV 0W20 & OE VW
2020 F-150 STX Super Cab 2WD 2.7 Ecoboost. FF & OE filter
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424830 05/09/20 03:22 PM
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Originally Posted by gabriel9766
Originally Posted by FordBroncoVWJeta
Read the owners manual. I believe they can use 5W20, 5W30, and 10W30.

Don’t have it with me, he works all day

Kia/Hyundai owners manuals can be found on the manufacturer's website. Here is the manual for your Optima. Page 9-8. As mentioned above, the recommended viscosities are 5W-20, 5W-30, and 10W-30. I'd say your plan for a -30 sounds pretty solid.

Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424862 05/09/20 04:07 PM
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I prefer 5w30. ST HM syn is fine.


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424902 05/09/20 04:47 PM
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I'd use a 5W-30 syn in summer, and what you used last time in the rest of the year...

Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424922 05/09/20 05:23 PM
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These cars need the oil changed under 4,000 miles so synthetic isn't a necessity (at least not in summer), but with the low prices of some synthetics it can't hurt. 10w30 is fine in the summer as well in these cars. I happened to have some extra Yellow Bottle 10w30 that does the job great in the summer. Don't overthink it. As long as you get fresh oil in it under 4000 miles and keep it topped off in between you are doing the best you can.

Last edited by Whammo; 05/09/20 05:26 PM.
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5424936 05/09/20 05:41 PM
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Supertech 5w-30 full synthetic, but sometimes the 5 quart jugs in 5w-30 are out of stock at Walmart. If he's only going 4-5K miles, 5w-30 syn blend will also do.


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2017 Toyota Camry XLE, 12K, 2nd owner
2007 Honda Ridgeline RTS, 97K, original owner
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Re: 16 Kia Optima ex 2.4 oil [Re: Whammo] #5424963 05/09/20 06:29 PM
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Originally Posted by Whammo
These cars need the oil changed under 4,000 miles so synthetic isn't a necessity (at least not in summer), but with the low prices of some synthetics it can't hurt. 10w30 is fine in the summer as well in these cars. I happened to have some extra Yellow Bottle 10w30 that does the job great in the summer. Don't overthink it. As long as you get fresh oil in it under 4000 miles and keep it topped off in between you are doing the best you can.


4000 miles? Can you post the source on that?

My wife's 2.0L Turbo specs 5K changes, so wondering why a N/A 2.4L needs under 4.


2019 Escape EB AWD/2016 KIA Optima SXL 2.0L Turbo/2012 F150 Ex-cab 5.0L
1992 YJ "The Heep"/2015 Chrysler 200 Limited
1975 Ford Bronco/1959 Willys CJ5/Tube Rock crawler
Re: 16 Kia Optima ex 2.4 oil [Re: Zaedock] #5425004 05/09/20 07:21 PM
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Originally Posted by Zaedock
Originally Posted by Whammo
These cars need the oil changed under 4,000 miles so synthetic isn't a necessity (at least not in summer), but with the low prices of some synthetics it can't hurt. 10w30 is fine in the summer as well in these cars. I happened to have some extra Yellow Bottle 10w30 that does the job great in the summer. Don't overthink it. As long as you get fresh oil in it under 4000 miles and keep it topped off in between you are doing the best you can.


4000 miles? Can you post the source on that?

My wife's 2.0L Turbo specs 5K changes, so wondering why a N/A 2.4L needs under 4.

It's in the owners manual for the 2.4L, and is pretty standard across all Hyundai/Kia vehicles. Severe service- 3,750 mile OCIs, Regular service- 7,500. Most people technically fall under the severe service, though the onus would fall on Hyundai/Kia to prove that to be the case in the event that you adhered to 7,500 mile OCIs and needed warranty work. All Kia manuals can be found at owners.kia.com.

Re: 16 Kia Optima ex 2.4 oil [Re: Zaedock] #5425007 05/09/20 07:28 PM
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Originally Posted by Zaedock
I have so much PP10W30, that's what I've been running in the summer.


In a warm climate over summer, I would also run a synthetic 10W30. Good shear stability and low Noack volatility.

Otherwise any Dexos1-Gen2 5W30 oil would be a good choice, including SuperTech.


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Valvoline DuraBlend 10W40 SN & A3/B4 semi-synthetic + Valvoline V06 synblend media filter
Re: 16 Kia Optima ex 2.4 oil [Re: gabriel9766] #5425027 05/09/20 07:56 PM
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Had numerous HyunKia's. When it comes to change intervals I've always divided by five.


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
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