Pulsating noise and vibration in gas pedal (Toyota Camry LE FWD, 2025)?

Hi everyone! I’ve been noticing a faint pulsating noise and correlating vibration in the gas pedal of my Toyota Camry LE FWD, 2025 with <20k miles on it. It is only noticeable at freeway speeds (65-75 mph) and can occur even if I am not accelerating or braking or pressing on any of the pedals. I noticed it after having my tire replaced after a flat on the freeway (the tire was soft, but no metal was scraping). It’s possible the noise/vibration was there prior to the flat, but can’t say for sure.

I had my tire replaced, then balanced twice with very little improvement. I also had a standard tire rotation at 15k miles without any change. I took it to a dealership and road tested it, and the technician couldn’t reproduce it, though he said he can hear it faintly in the video I showed him. They did not find anything glaringly wrong in their basic diagnostic tests, though noted that the older tires had some mild feathering.

They gave me a rental Camry SE 2025 for a day, and I did not feel the same vibration, though it is not the exact same car as mine.

This is an issue that is annoying but I can tuned it out half of the time when playing music. Just wondering if this is normal versus something I can get fixed? Any suggestions? Thank you in advances!