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Hey all.. I'm 1k in on my new CX-50. Love alot about it but the road noise might be a deal breaker. It is just so loud at 80mph, which is most of my driving. I'm thinking of going for a CX-5, but wondering what tires I might try and if it would be a real difference. Thanks for any suggestions. Also thanks for Sound Deadener article... I just don't know how much after-market I want to go at this point.
 
I put Continental DWS06 tires on mine. Made a considerable difference to both comfort and noise. Even more so after a few K miles on them.
 
With Michelin Defender 2 (225/60r18) brand new = road noise. I applied sound Deadening all floor, doors and trunk but problem road noise is still present. I had an Acura TLX that was so quiet before. SUV = more noise inside cab
 
Im surprised how many individuals complain about the road noise. Dont people do a good long test drive on cars these days. For 40+k i’ll drive a car for 45 min to an hour. IMO enough to get over the i love the looks and power thing. This car is quieter than most true off road suv’s. The CX5 is a great on road people hauler and for a 95% on road suv. I have a 22 built TP and love the looks, drive, quietness, etc…hopefully long term reliability follows the mazda more recent history
 
Maybe people complain because there is excess road noise. I drove an hour test drive. I noticed it for sure on the turbo/20inch rims and so got the 17 inch/ non turbo model because of it. That helped a bit, and I noticed that, so I thought I could live with it. But I drove 3 hours at 80mph... which isn't untypical and it was unbearable. I'll agree it is quieter than most "off road" suv's. I will look at the CX-5.
 
I measured the noise level in my 2024 CX-50 turbo edition (20" rims) on the highway and got 73db at 65 mph and 78db at 70 mph. I then added CLD pads to all 4 doors (18 sq-ft to the inside and outside panels) and the same 73 and 78db noise levels on the same stretch of highway. I initially thought it seemed quieter with the CLD pads added, but the data said otherwise.

According to ALL Car Confections Sound Level Readings: The Master List , the CX-5 and CX-50 have almost the same noise levels (they measured at 50 mph). In fact, most cars in their class are very similar (within +/-2 dbs) in noise levels. I suspect rim size / tire profile and tire tread pattern make a difference (the Meridian is the noisiest CX50 model).
 
I initially thought it seemed quieter with the CLD pads added, but the data said otherwise.
I noticed an obvious subjective difference when I added deadener panels to mine. It may not be the level of the noise, but the quality of it that improves. I notice it's much better with road impacts for instance.
 
I am coming from a 2006 Honda Odyssey which has no road noise. However, I tested a new Tiguan, CR-V and Sorento, where the road noise was hardly noticeable. On an smooth asphalt road road it is OK; I test drove the CX-50 on a smooth road. It is not surprising given that the car seems to have no sound insulation. Otherwise I love the car. I don't really miss features from the TPP. I was a bit disappointed that the infotainment touch screen was disabled unless one is stopped or moving less than 10 mph, but I found a setting to enable the touch screen all the time.
What setting did you use?
 
And btw my cx50 had 17s on it and 20s. 17s made no difference in sound levels or overall comfort so the comment about mazdas being louder because they have lower profile tires on it is laughable. It's the way the cx50 was built and lack of sound insulation combined with the rear suspension and poor build quality that makes the cx50 ride and sound like sh it. The 5 was better yes and a better built car but just to small. Drive a 23 outback wilderness back to back with the 50. A car the 50 is solely targeting and then maybe you'll get it.
Mate watch your attitude with other members, yeah it is your opinion.

It is a fact 17 and 20 inch are totally different in ride comfort and noise and vehicle performance, the fact you can't tell the difference says more about your driving ability.
CX-50 is made in USA in a Brand New Mazda Toyota Factory.
 
Mate watch your attitude with other members, yeah it is your opinion.

It is a fact 17 and 20 inch are totally different in ride comfort and noise and vehicle performance, the fact you can't tell the difference says more about your driving ability.
CX-50 is made in USA in a Brand New Mazda Toyota Factory.
Mazda said thank you and have a nice day.
 
Wanted to follow up here...

My wife hit a curve pretty hard and popped the OEM Goodyear tire. I took this as an opportunity to replace all of them, as the tread was well enough along to need at least 2. So I got a set Pirelli Scorpion AS Plus 3 on tirerack.com.

The noise reduction has been significant. Also the ride quality is much better. It is a paradoxical feeling of more nuance of the handling and road surfac but more comfort. I'm surprised at how much tires have made such a big difference in both departments. Hope this helps.
 
My biggest issue with the CX-50 is the road/wind noise intrusion from the driver's door (top of driver's door mostly). Not a whistle but just a general noise intrusion / wind rush sound, makes me think the window or door is not fully closed while doing highway speeds, but they are. Dealer checked it and found no issue.
Same problem for me. It starts around 60 MPH. I checked all rubbers, even put a water hose on the door and window creases but no leaks. I had my son drive and he heard it immediately. The passenger side is quiet. Sounds like the window is not completely closed. Very annoying especially on long rides. And disappointing from Mazda. When I got the car, part of the rubber was not seated correctly. I reseated it myself but there may be a nick from closing the door. Have to call the dealer. Only had this new car for two weeks.
 
owns 2024 Mazda CX-50 S Premium
I had my son drive and he heard it immediately. The passenger side is quiet. Sounds like the window is not completely closed.
This happens with quite a few cars (all brands). The standard fix is to wind the window all the way down, so you don't break the glass, and then pull the top of the frame inward while you brace the door open. Basically, you are bending the top frame in a little toward the car, to give more pressure on the seal. Only do it a little at a time and check each time.

However, I would try the dealership first given you're within warranty.
 
This happens with quite a few cars (all brands). The standard fix is to wind the window all the way down, so you don't break the glass, and then pull the top of the frame inward while you brace the door open. Basically, you are bending the top frame in a little toward the car, to give more pressure on the seal. Only do it a little at a time and check each time.

However, I would try the dealership first given you're within warranty.
Had a guy do this on my car many years ago. My eyes about bugged out of my head when he put his knee on the top of the door card and pulled back on the top outer corner of the door. My dad laughed at me for days.
 
This happens with quite a few cars (all brands). The standard fix is to wind the window all the way down, so you don't break the glass, and then pull the top of the frame inward while you brace the door open. Basically, you are bending the top frame in a little toward the car, to give more pressure on the seal. Only do it a little at a time and check each time.

However, I would try the dealership first given you're within warranty.
Thank you for your recommendations. I tried the frame adjustment. No difference. Brought it back to the dealer. Although the technician heard it during a test drive, they did not find anything to repair. When I picked up the car, we did another test drive with a different technician plus the salesperson who also drives a CX-50. We could not hear the "hissing" sound anymore but wind noise still present. In the meantime, I put some tape on the creases of the mirror and moved a piece of cloth along the window frame while driving. Could it be that I hear the wind noise louder because the car is quieter than my CX-5? Thinner window? Window rubbers of less quality? What bugs me is that I only hear more wind noise on the driver side. If someone else drives and I am in the passenger seat, its quieter.
 
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