Help choosing 1 oil for the family fleet

WalMart Supertech unless social pressure from your neighbors prods you to go with Costco Kirkland. Based on your nice fleet I can speculate this could be a possibility. If you're a rebate person then maybe one of the name brands, no wrong answers there.
 
Kia has low oil standards but they’re also not known for being reliable with a history of oil consumption issues
Is there any credible evidence that higher spec oils have improved the H/K engine problems? I know a couple folks with Hyundai/Kias that would be well served if this info was available.
 
Kia has low oil standards but they’re also not known for being reliable with a history of oil consumption issues
Your Kia asks for ACEA C5, which by most standards, is a higher standard than oils from 10 years ago, but poor machine work doesnt help that situation.
 
Is there any credible evidence that higher spec oils have improved the H/K engine problems? I know a couple folks with Hyundai/Kias that would be well served if this info was available.
I haven’t come across anything with how to prevent failure other try to keep regular oil changes
 
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I'd agree with others. No issue running the same oil.

- M1 ESP 5W-30
- Valvoline Synpower XL-III C3 5W-30

If you prefer Valvoline keep using it. OTAH M1 ESP appears to have superior base oils
and probably better ad pack too. Lower Noack loss and higher flashpoint for example.
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Kirkland 5w30
First time poster..

Looking for opinions on consolidating our vehicles down to one oil. This is what I am currently using.

2016 Toyota Sienna - 3.5L V6 (0w20 Valvoline Synthetic EP MaxLife)
2017 Jeep Wrangler - 3.6L V6 (5w30 Valvoline Synthetic)
2019 Ram 1500 - 5.7L V8 (0w40 Mobil 1)
2023 Kia Telluride - 3.8L V6 (5w30 Valvoline Euro XL-III)

Sienna is the kid hauler (5k mi OCI)
Jeep rarely gets driven (once a year OCI)
Ram tows 8k lbs regularly (3k mi OCI)
Telluride is the only one with DI (5k mi OCI)

Thanks in advance.
In my family, we have 4 Honda Odyssey's (all speced for 20 weight oils).

I just use 1 single oil for all of them: SuperTech Full Synthetic High Mileage 5W-30 @ 5K/6month (whichever comes first) OCI.
 
In my family, we have 4 Honda Odyssey's (all speced for 20 weight oils).

I just use 1 single oil for all of them: SuperTech Full Synthetic High Mileage 5W-30 @ 5K/6month (whichever comes first) OCI.
Combining the four of those, you'd no doubt be able to blow way past a million miles using that oil and maintenance schedule... Assuming you kept up on the transmissions, too.
 
Combining the four of those, you'd no doubt be able to blow way past a million miles using that oil and maintenance schedule... Assuming you kept up on the transmissions, too.
Yeah. I used to over maintain them, doing transmission fluid drain/fills every 15k miles.
I've recently changed that interval to every 30k miles. Just trying to do very low cost adequate maintenance.

We're driving each of them 20k miles a year for various long daily commutes by family members, so in 5 years from now all of them will be
well over 200k miles.
 
pennzoil euro LX 0w30 or Mobil 1 ESP 0w30.

I recently switched my fleet over to the 0w30 Euro Oil. 2019 wrangler 3.6, 2018 Durango RT with 5.7 and an 02 Silverado 5.3
 
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