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Discussion Starter #1
Have a CT with 17 inch wheels, love every bit of it except that noise! The tyres are Yokohama dB. Would changing that to Continental help?
 

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There are a few things about tires that would make a difference, but for a short period of time only.
Tread pattern, tread depth, Tire compound or tread ware rating (UTQG Treadwear Grades) and the type of road surface you drive on. As the tire wears down the noise increases regardless of tire manufacture. Tire rack has some good info regarding the UTQG Treadwear Grades.

So changing tires might make a difference for a short period of time.
 

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There were some issues with pre production CT's regarding road noise and they had to make some changes, a quick google will give you some info from the Paris motor show where they had some pre production models.

I have the F-Sport with sport tuned suspension and have been very happy with how quiet it is even on the freeway.

Here is a small clip from carshowroom.com.au

Car Showroom did not drive the Lexus CT 200h at its international preview held as part of the Paris Motorshow, however we did read some European media reports which fired some criticism regarding excess road noise.

At the Australian launch, Lexus CT 200h chief engineer, Mr Osamu Sadakata countered the vehicles used in Paris were early hand-built production prototypes, fitted with prototype suspension bushes, rubber mountings and even early-build Yokohama tyres. Since then, Mr Sadakata said, full-scale production has brought improvement across the board, not only from Lexus, but also from tyre supplier Yokohama.
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I still contend you get what you pay for and a $30,000 car does not get you $50,000 features.

The Ct is a good car not a luxury car.

My wife's car would be noisy at the $50k level not so much at the $32k she paid.
 

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Thanks! Well, it is quiet on a good surface, but the issue is that most of the national roads in Ireland have this coarse surface that makes it really noisy, much noisier than in my previous Mazda 3 on same road, which is not the most silent car itself. Anyway, I am thinking to try Continental tyres soon, I will share my impressions then.

I hope that my CT is not a pre-production one :) In general is there anything else, except chaging tyres can be done to reduce noise on a coarse road?
 

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I agree, it is not a 50K car, but it appears to be noisier than Mazda 3, that is the issue! Especially on that road from Dublin to Galway which I have to use often for business, going from one office to another :)

But especially in Europe, I don't really see a point to pay 50K for a Mercedez while CT satisfies me in every way. I simply love this car :)
 

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my car is using stock Yokohama's

extreme jarring when it comes to coarse roads..

my sister would ask "i thought Lexuses are supposed to be quiet?"
 

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i feel like swapping my stock Yokohamas to Goodyear Efficient Grip.

but i only used it for less than 10k km.

any advise guys?
 

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Thanks! Well, it is quiet on a good surface, but the issue is that most of the national roads in Ireland have this coarse surface that makes it really noisy, much noisier than in my previous Mazda 3 on same road, which is not the most silent car itself. Anyway, I am thinking to try Continental tyres soon, I will share my impressions then.

I hope that my CT is not a pre-production one :) In general is there anything else, except chaging tyres can be done to reduce noise on a coarse road?
Lexus would not sell a pre-production model. It sounds like your roads are similar to those in Australia, where we have a lot of coarse aggregate surfaces which generate various degrees of road noise, some really bad. I have had a Lexus IS200, a GS300 and now the CT200h and I think they are all similar. In fact, driving along a regular bad stretch, I think the CT is marginally quieter, perhaps because everything else is so quiet. They say the aggregate road surfaces are long-lasting and give superior grip, but they sure are noisy, and I am told that a lot of major tyre manufacturers are unfamiliar with these surfaces and so they don't make a tyre that could really help.
 

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Agree. I made a similar posting a while ago. When my CT gets on some road with a decent surface (lots in the south of England) it is extremely quiet, on coarse surfaced roads it's not but, again, it is no worse than my Mk. 3 GS.
 

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I bought the CT in Nov. 11 and they put on the 16" snow tires (continental on lexus-alloys) then. When changing to the original 17" wheels (yoko.) in spring I was a little surprised :confused: by the noise they make. Finally got used to them...
But still I'm thinking of using the 16" for summer and the 17" originals for winter when the first set is through.
Anyway the CT is much more quiet than my former prius gen3, and all the other cars I have driven before...

kr
G.
 

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i changed my Advan a460s to Goodyear Efficientgrip.

took a terrible hit on cost (my Advan still is very new, traded in for 100 bucks) goodyear costs 550 bucks per.

it much much better.

was wondering, would it be better to change tyres? or get it sound proofed?
 

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i changed my Advan a460s to Goodyear Efficientgrip.

took a terrible hit on cost (my Advan still is very new, traded in for 100 bucks) goodyear costs 550 bucks per.

it much much better.

was wondering, would it be better to change tyres? or get it sound proofed?
So the Goodyears are much quieter than the Yokohamas?
 

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So the Goodyears are much quieter than the Yokohamas?
yes. the Goodyears were much quieter. my guesstimate is around 30 to 40% quieter. handling is poorer though.
 

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I'm glad to know that I'm not the only one who found that the CT200h is not quiet. Actually for my experience I think that the CT200h is a little (very little) more quiet than my previous civics, but not more quieter than my previous Acura TSX and Mazda 6 and 3. Sometimes there is no much noise that I think that I have window openned... but they are all well close, including the sunroof.

I really like the car, the this is something I wasn't expecting from a lexus, and from a 35 000k car. This care is really expensive for what you get, but I know it's an hybrid, and they cost more. But the green backlight, audio system and the noise must be reviewed on this car.

For exemple, we also have a Chevy Cobalt, which is MUCH MORE quieter!!!! And cost 15 000k! But it's much more cheaper inside, quality material is poor, sound system is poor, but still very quiet on the road.
 

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totally agreed. my mom's ford fiesta is quieter.

thats why i thought, for a lexus, it is a bit on the noisier side.
 

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I still contend you get what you pay for and a $30,000 car does not get you $50,000 features.
Here in austria the CT200h costs (in its best grade) $ 53.028,-, so what kind of argument are you using?! :rolleyes:
 
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