If possible please record a video demonstrating the engine noise, upload to youtube, and post a link here. (Scotty will only view videos if they are on youtube.)
Should I be concerned?
I would be .Take it back to Toyota.
Should I be concerned?
The 3L engine in my brother's new 4Runner barely makes enough noise to hear it idling.
The 2023 has a 4.0 L 1GR-FE engine.
Correct, many consider the 1GR-FE as one of Toyota's most durable engines.