i think its only more noticeable because the rest of the cabin is so quiet, that horrible, unrefined 4 cylinder just really takes you out of the "luxury" mindset
https://carconfections.com/luxury-mi...evel-readings/
Lexus is still pretty quiet. The double-pane glass helps, but that engine is garbage sounding. so much so that they are bringing back the v6 on the RX.