2GR-FKS 0w-20 or 5w-30?

I love this motor. An easy 25 mpg with over 300 hp. Went with M1 0-20 EP while under warranty and now M1 5-30 EP for most of the year. Will run the 0-20 for the winter oci. Wife does 20,000 a year in her Highlander. I struggle with buying the new 2.5 turbo that replaced it that gets worse gas mileage by many accounts. Maybe with the recent epa rollbacks Toyota will bring it back.
 
This is for the 2ar and 2gr. You can use up to 50 grade. If it was mine any euro 30/40.

2ar2gr0w-20-20w-50pdf-1.webp



2ar2gr0w-20-20w-50pdf-2.webp
 
I love this motor. An easy 25 mpg with over 300 hp. Went with M1 0-20 EP while under warranty and now M1 5-30 EP for most of the year. Will run the 0-20 for the winter oci. Wife does 20,000 a year in her Highlander. I struggle with buying the new 2.5 turbo that replaced it that gets worse gas mileage by many accounts. Maybe with the recent epa rollbacks Toyota will bring it back.
Pros and cons to both. 2GR-FKS has issues with valve seats and timing cover leaks (as usual).

2.4 Turbo is too new to say, but from a driveability standpoint, it has a more usable power band and drives significantly better in most situations.
 
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