Best Engine oil for Honda Civic

I have a 2023 Civic Si.

I did every oil change at around 8k miles which is when my maintenance minder popped up, even though the dealer recommended every 5k. No issues ever, now at 46k miles.

I have a 2010 civic si, I use shell rotella T-6 5w-40 due to burning issues and one quart of Castrol 5w-30 high mileage full synthetic (I’m picky lol- but my car runs smooth and has consistent oil levels on the dipstick through the weeks after oil change)

I switched to 5w30 Pennzoil Ultra Platinum a long time ago on my 2.0T. 140k miles and running strong. FK8 CTR Turbo added around 133k, too. FBO PRL mods!

I have a 2012 civic with 220k miles still use Castrol 0w-20. I've been using it since 500 miles switched to the high mileage stuff around 100k

Valvoline Restore and Protect. This newly designed oil can, and does, remove up to 100% of engine deposits. Including those found on and around the piston rings. A major contributing factor to oil blow-by, or general usage between oil changes. It take a couple 4k mile oil changes to work. Everything I have researched shows that it does work and many, most even, report a significant reduction in burning oil between oil changes, but do your own research! :) I wasn't having oil burning issues in my 8th gen, but still ran it through a couple times because it certainly won't hurt anything!

I'm using Aisin 5W-30 for my Civic. So far, so good. It's also cheaper than other brands.

Valvoline ran better and leaked less in my old 92 civic eg compared to mobile 1

I run Pennzoil Ultra Platinum 5w-30. My FK8 is making over 500hp no issues

Doesn't really matter that much, we ran 0W-20 for a while and now have 0W-30 A5 in our Civic.

We had a guy trade in a 10th gen Honda Civic with the L15BE (known for head gasket failure mostly) that he filled with thicker oil. Started knocking like crazy when we changed the oil for the sale.