'16-'20 200 Series differences in noise levels between LC and LX570?

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Joined
Sep 18, 2019
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Location
Seattle
Are the Lexus and Toyota models perceived interior noise levels the same accounting for glass thickness, insulation, mastics, etc. or does Lexus add further sound dampening products? I've been unable to find published information.
 
I can’t speak for the later models, but I had a 2010 LX and then a 2010 LC, and there was definitely a difference in noise level. Also when you shut the LX door, it was a solid thud. With the LC, it’s still solid when you shut it, but you hear a slight “clang”, which tells me it is not insulated like the LX. FWIW.
 
I can’t speak for the later models, but I had a 2010 LX and then a 2010 LC, and there was definitely a difference in noise level. Also when you shut the LX door, it was a solid thud. With the LC, it’s still solid when you shut it, but you hear a slight “clang”, which tells me it is not insulated like the LX. FWIW.

Idea...
Someone should just pop their inside driver door panel off in their LX and post a photo. Would be pretty easy to spot any major difference, we could post LC door panels and compare.

I don’t know the answer, but I do know that at least two major variables can massively skew a driver’s perception of road-noise differences between two sample vehicles like LX vs LC (or any vehicle):
-Tire tread design differences
-New tires vs. somewhat-worn tires.

Either of those factors drastically change perceived interior noise levels...especially tire wear.

Anyone want to pop their door panel?
I’ve got photos of mine already...
 
I can’t speak for the later models, but I had a 2010 LX and then a 2010 LC, and there was definitely a difference in noise level. Also when you shut the LX door, it was a solid thud. With the LC, it’s still solid when you shut it, but you hear a slight “clang”, which tells me it is not insulated like the LX. FWIW.

why don't we all just shoot a can of this inside each door?

1576857581381.webp
 
Are the Lexus and Toyota models perceived interior noise levels the same accounting for glass thickness, insulation, mastics, etc. or does Lexus add further sound dampening products? I've been unable to find published information.
By no means scientific but I have a ‘13 LX on KO2/Hakka 7 and a friends wife drives a stock ‘18 LC on the OEM Dunlop/Blizzaks. Every time he rides with me comments on how much nicer it rides and quieter my LX is than her LC. And both my summer and winter tires should be louder than theirs.
 
why don't we all just shoot a can of this inside each door?

View attachment 2161370

Assuming this wasn't a joke post:

- spray foam insulation will shrink with time and leave gaps
- it is likely not designed for noise dampening, and won't do much (if anything at all)
- it will block the room necessary for the window to lower
- it will likely jam the window regulator/mechanism
- it may stick to the door handle cable and jam that operation

I did a lot of noise dampening/insulation on my '16 Tacoma. The doors received this treatment:
- B-Quiet Ultimate on large panels inside the door, and on the face (under the covers), followed by
- a layer of 1/8" closed cell foam, followed by
- a layer of MLV

The door covers/trim was re-installed on top of that. This made a huge difference in noise. The floor, and cab wall received similar treatments, too.
 
I’ve owned a 2013 land cruiser and I own a 2018 lx570 I haven’t driven the 16-20 land cruisers. But I will tell you this the LX is always quieter I would say 20% and has a more luxury feel....

that being said my daily driver is a lx470 the only reason I bought the 470 was because it was cheaper than a used land cruiser and the only reason I bought the 570 was because my wife likes it and I think it tows better than a land cruiser.... personally I would rather own a land cruiser in both instances. But if you want a nicer more luxury ride I would go the lx570. My goal is to get my self a new land cruiser 200 that I will drive and let my wife drive the Lx570
 
Bottom line...Lexus LX will always be quieter, with lots better interior materials (REAL ***king wood!), and significantly better audio system. Simply, it is more luxurious in every way.

There is no debate on this. I went a different route because i value different things (THE famous name, off-roadability, easier to mod/find tires, and overall appearance/profile).
 
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