buying a new Highlander
in [Toyota]
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From: Jeff Strickland on 2 Dec 2009 20:22 "Hachiroku ????" <Trueno(a)e86.GTS> wrote in message news:pan.2009.12.03.01.14.31.491487(a)e86.GTS... > On Wed, 02 Dec 2009 11:30:57 -0600, Ray O wrote: > >> >> "SMS" <scharf.steven(a)geemail.com> wrote in message >> news:4b16a088$0$1583$742ec2ed(a)news.sonic.net... >>> Guy wrote: >>>> I just want to confirm what I read elsewhere... can a new highlander >>>> come with something other than 19" tires? I thought I read 17" but >>>> not really sure. Assuming 19" is not the only size tire when >>>> purchasing a new >>>> Highlander, what is the pros and cons for each size? >>> >>> You'll get a smoother ride with the larger tires, and the tires will >>> last a bit longer, but the 19" tires are a lot more expensive so in >>> terms of cost per mile they'll cost more than the 17". >> >> If the aspect ratio of the 17" and 19" tires were the same, then all >> other >> things being equal, the larger tires would theoretically give a better >> ride but the 19" option on the Highlander has a lower aspect ratio so the >> ride improvement is negated. > > And probably a bit harsher. > > I have 16s on the Supra with a 55% AR, and 17s on the Scion with a 45% AR. > The Supra is a lot more comfortable. But not as comfortable as the Mazda > with 65% AR... > > > There are far too many variables involved to say that the aspect ratio is causing the difference in the overall ride comfort that you report. I'd suggest that the aspect raio is the least significant part of the ride quality, and stuff like spring rate and shock metering will play a far more significant role. My limited experience is a car that has an option of a 225/55x15 or a 225/45x17 (and additional sizes in between that I have not used) and there is no discernable difference in the ride quality on the same car with both tire sizes. As a practical matter, I'm sure that there is no difference in ride quality for the vast majority of drivers. I'd conceed the point that people that take the car to the track will notice a difference, but for the rest of us the visual impact of the tire is more of a significant factor than the ride quality, or the lack thereof.
From: Hachiroku ハチロク on 2 Dec 2009 21:56 On Wed, 02 Dec 2009 17:22:52 -0800, Jeff Strickland wrote: > My limited experience is a car that has an option of a 225/55x15 or a > 225/45x17 (and additional sizes in between that I have not used) and there > is no discernable difference in the ride quality on the same car with both > tire sizes. Dude, I can feel every pebble and crack in the pavement with the Scion... My singer has a set of mildly used 245/55-16s, and wants nothing really for them. I'll buy them for backups and use them when the Potenzas start turning to slicks.
From: Jeff Strickland on 2 Dec 2009 22:04
"Hachiroku ????" <Trueno(a)e86.GTS> wrote in message news:pan.2009.12.03.02.56.59.438097(a)e86.GTS... > On Wed, 02 Dec 2009 17:22:52 -0800, Jeff Strickland wrote: > >> My limited experience is a car that has an option of a 225/55x15 or a >> 225/45x17 (and additional sizes in between that I have not used) and >> there >> is no discernable difference in the ride quality on the same car with >> both >> tire sizes. > > Dude, I can feel every pebble and crack in the pavement with the Scion... > > My singer has a set of mildly used 245/55-16s, and wants nothing really > for them. I'll buy them for backups and use them when the Potenzas start > turning to slicks. > > > I do not dispute what you feel, only why you feel it. My brother has a tC with whatever the factory fitment is, and it rides like a roller skate. The suspension is very stiff. But that's what you buy when you get a tC. I have a BMW 3 Series and I put 17s on it to replace the 15s, and the ride did not change in any appreciable amount. All I'm saying is, there are far too many variables to say that Brand X with one size tire rides differently than Brand Y with another size tire, and Brand Z is different than each of the others. The only way to compare tire sizes is to put different sizes on the same car, and when I did that the difference was negligible. You mileage may vary. |