245/45/17 vs 235/45/17

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Old 11-10-2014, 11:38 AM
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245/45/17 vs 235/45/17

Hey all,

Just need some quick info as the snow is about to hit and need new tires asap.

I really want to go a little wider on the tires to have that aggressive look. I found falken ziex 612s for $58 a tire.

I just want to make sure that these will be the same height or taller then the stock 235 45 yokohamas I have been running. I DONT want to have a big gap.
Old 11-10-2014, 11:44 AM
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first of all, traction is very important.
if you're heading into snow, why not get a dedicated winter tire?
you can get by with a narrower tire all season tire in the snow, but a wider tire all season tire will make it harder to navigate and steer through snow.


you'll need to make up your mind on what you want to do this season.
either get a set of dedicated winters or use a narrower set of tires through snow.

if you dont care about all that and want to put yourself and others in danger, sure...go ahead and put a wider all season on.


2nd, head to http://www.1010tires.com/Tools/Tire-...5R17/245-45R17
for all your tire comparing needs.
Old 11-10-2014, 11:52 AM
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Its not like I'm moving up to 255/40 .. I think I will be fine thanks
Old 11-10-2014, 11:56 AM
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Originally Posted by zen470
Its not like I'm moving up to 255/40 .. I think I will be fine thanks
exactly, its your decision.

What route did you choose?
Old 11-10-2014, 12:34 PM
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I haven't pulled the trigger yet.. there is a 6 hour wait discount tire.. so yeah..

One more concern I have is it possible that my 235 45 Yokohama will have a wider tread than the 245 45 falken I plan on replacing it with?

Like I said I want a wider tire and I heard different tires have different tread patterns .
Old 11-10-2014, 12:40 PM
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235mm is narrower than 245mm.

245mm>235mm.


Did you even check the online tire calculator, i gave?
Old 11-10-2014, 04:00 PM
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^no, I don't think he did!
Old 11-10-2014, 05:27 PM
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Originally Posted by zen470
Hey all,

Just need some quick info as the snow is about to hit and need new tires asap.

I really want to go a little wider on the tires to have that aggressive look. I found falken ziex 612s for $58 a tire.

I just want to make sure that these will be the same height or taller then the stock 235 45 yokohamas I have been running. I DONT want to have a big gap.
I have a set of Falken tires in the 245/45/17 and they do fine in the snow, i live in Va and have driven fine in the snow. I don't think another 3/4" or so in width (im no tire sizing expert) is going to make that much differance. They only leave about an inch gap between the tire and the wheel whell. Hope this helps you.
Old 11-10-2014, 07:40 PM
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simple physics. P=F/A
Larger area will decrease pressure exerted on the snow. Increase of tire width from 235mm to 245mm will increase area by 4.2% Pressure will be decreased as such. Now, 4.2% is marginal, sure. But when you're trying to stop in the snow and there's a kid who ran out on the road in front of you, that extra 4.2% is the difference between stopping right in front of the kid, and breaking the kid's knees.

happy tire hunting.
Old 11-10-2014, 08:11 PM
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I live in Texas.
and only steers and queers live in texas, not snow.
Old 11-10-2014, 10:12 PM
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I went with the 245/45/17s. Handling and braking is improved exponentially. I'm happy !
Old 11-12-2014, 03:37 PM
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Thats because of the new tires not the minor width change
Old 11-12-2014, 04:21 PM
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If you want a decent all around/all season tire, get the Conti Pure Contact with Ecoplus Technology:

http://www.tirerack.com/tires/tires....omCompare1=yes

They come in the 245/45/17 size and are very highly rated for wet, dry, and snow traction. My brother has them on my old TL in Colorado and he told me they're actually better in the snow than the Mastercraft Glacier Grip tires he had before. He also said they're quiet and the ride is excellent. They're not cheap like the $58 tires you specified, but they will last quite a while (they have a 70K mile warranty).

I'll probably get them the next time around.

Currently, I'm running the Conti DWS in 245/45/17 size. There's no rubbing and the ride is very good with the slightly taller sidewall, and the speedo is off only 0.8 mph (reads slow, so no big deal).
Old 11-12-2014, 04:27 PM
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Originally Posted by erdoc48
If you want a decent all around/all season tire, get the Conti Pure Contact with Ecoplus Technology:

http://www.tirerack.com/tires/tires....omCompare1=yes

They come in the 245/45/17 size and are very highly rated for wet, dry, and snow traction. My brother has them on my old TL in Colorado and he told me they're actually better in the snow than the Mastercraft Glacier Grip tires he had before. He also said they're quiet and the ride is excellent. They're not cheap like the $58 tires you specified, but they will last quite a while (they have a 70K mile warranty).

I'll probably get them the next time around.

Currently, I'm running the Conti DWS in 245/45/17 size. There's no rubbing and the ride is very good with the slightly taller sidewall, and the speedo is off only 0.8 mph (reads slow, so no big deal).
I put these on my wife's Lexus this Spring so I haven't had them in the snow yet. Overall we have been happy with MPGs and ride. We have the ExtremeContact DWS on the Accord our kids use and the snow traction has been excellent. Expecting the same from the PureContact.
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