09-06-2018, 02:51 PM | #1 |
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Better road safety... 18 or 19 winter tires
Have an F36 with stock ones at 20 but the rubber on it seems too thin for the winter here...
Can some of you please help me understand the difference between these following tire set? Front 225/45 R18 91Y Rear: 255/40 R18 95Y Front: 225/40 R19 89Y Rear: 255/35 R19 92Y I got this off the manual and seems both have the same width, and the difference is (1) how big the rim is; (2) speed rating? Did I read this correctly? Will there be any difference in term of traction? Ideally I am looking for one that is able to continue to drive around even in the heavy snow. If even traction is the same then I guess it is comes down to if 18 or 19 looks better and the cost of it? Thanks! |
09-07-2018, 02:15 AM | #2 |
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I think you'd be better off going with 225 all round, rather than having 255 on the rear for winter/snow.
The speed rating is "Y" for all of the above. The number before the speed rating is the load rating I believe. |
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09-07-2018, 04:50 AM | #3 | |
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better protection against potholes speed rating is same the 18s have better load ratings |
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09-07-2018, 10:59 AM | #4 | |
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09-07-2018, 03:03 PM | #6 |
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18 SINGLE PIECE RIM and yes a narrower profile is better imho.
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09-07-2018, 09:18 PM | #7 |
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It's not just your opinion. The shorter sidewalls of 19s make them more prone to pothole damage, while narrower tires push through snow and slush better to reach the pavement below, giving better traction. I wouldn't be all that concerned about the speed rating for winter use either.
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09-10-2018, 11:38 AM | #8 | |
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Pothole had damaged 3-4 tires with the pirelli 19" I had but the road here in Montreal is tough... We have more potholes than flat surface. Never had a single damage with Nokian but that was with my old 17". |
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09-11-2018, 07:57 AM | #9 |
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i run a 235/45/18 on an 8.5 for winter. provides slightly more sidewall at 26.3 compared to 26 stock.
yes i know narrower is better but maybe 10 times a year do you actually drive in snow deep enough to need pizza cutters. Id prefer the traction on dry pavement over the snow traction.
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09-14-2018, 03:11 PM | #10 |
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Don't rule out 17s
I realize that 17s aren't be discussed here but I a can only assume your snowfall in CA is similar to MN?
Im running RWD with a cheap set of winter 17s and they are masterful!! One of the best cars on the road during a storm. Cornering not great but good trade-off. Did i mention CHEAP!! Compared to 18 winters BTW...for M Sport drivers. Tirerack and other sites will try to tell you that 17s wont fit. Don't buy it...the info I mean. |
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09-17-2018, 05:12 PM | #11 |
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I have 225/55-17s, for better resistance to damage and better traction. I try not to drive in snow, but when I have to I have to. X-Drive is shockingly good. I can drive through six inches of fresh snow like it isn't there. I swear I could plow with it, and I know about plowing, I've done plenty of it.
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