Highway wind noise

jbjb · Sep 8, 2024

Hi all!
I purchased my 550 luxury about a month ago and love it but couple quirks.

I am curious if anyone else feels that the wind noise at highway speeds is quite loud? I recognize it is a large boxy SUV but I am a little shocked. A couple times I have had to verify that the sunroof is completely closed.

I have taken a few 1+ hr road trips so I know this isn't due to a windy day.

Any opinions and insights are greatly appreciated!

BryanM68 · Sep 8, 2024

Do you have an oem roof rack? Folks have said they produce a lot of wind noise.

jbjb · Sep 8, 2024

BryanM68 said:
Do you have an oem roof rack? Folks have said they produce a lot of wind noise.

I do not have a roof rack or any exterior modifications.

Thank you for the thought!

ilumo · Sep 8, 2024

I have a luxury +. I feel like it’s louder than my Macan and my GLS. So it’s loud relative to some other vehicles but in absolute terms I don’t think it’s loud. That said you should just take out your phone and try to measure the decibels on the highway.

jbjb · Sep 8, 2024

ilumo said:
I have a luxury +. I feel like it’s louder than my Macan and my GLS. So it’s loud relative to some other vehicles but in absolute terms I don’t think it’s loud. That said you should just take out your phone and try to measure the decibels on the highway.

I am coming from a MB CLS so I recognized the difference would be noticable but still quite a bit more than expected.

I will use my phone to measure it the next time I am on the highway. I am curious if there is a ballpark dB rating I can compare my measurements?

Merriweather · Sep 8, 2024

Some folks have said they think the mirrors are also responsible. Maybe someone will be the guinea pig and stick on some shark fins or vortex generators and measure before and after decibel readings. Sorry, I can't oblige. No GX yet.

ilumo · Sep 8, 2024

According to the car confections web site (https://carconfections.com/luxury-midsize-3-row-suvs-sound-level-readings/)it should be around 54dB or so on the highway.

rangertrace · Sep 9, 2024

Come ride with me and you will feel great about yours.....

Merriweather · Sep 9, 2024

Rangertrace, tell. You have an OT, right? With roof rack noise if I recall correctly. OTs just come with rails. Did you add crossbars? Did you wrap them?

Highway wind noise

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