McDonald Posted October 16, 2021 Report Share Posted October 16, 2021 My Boxster has 365/35/19 rear wheels. I'd like to buy CrossClimate tyres for the winter months. Does anyone make them in that size? I've read some reviews. Continental come out on top, Michelin come 2nd. No use to me if they don't manufacture them in my size. Has anyone succeeded where I'm failing? I know that ports are blocked because we're short of HGV drivers etc. But I'm not even sure that the tyres I need are being made. Any clues welcome. Quote Link to comment Share on other sites More sharing options...
½cwt Posted October 16, 2021 Report Share Posted October 16, 2021 10 minutes ago, McDonald said: My Boxster has 365/35/19 rear wheels. I'd like to buy CrossClimate tyres for the winter months. Does anyone make them in that size? I've read some reviews. Continental come out on top, Michelin come 2nd. No use to me if they don't manufacture them in my size. Has anyone succeeded where I'm failing? I know that ports are blocked because we're short of HGV drivers etc. But I'm not even sure that the tyres I need are being made. Any clues welcome. Check you Driver's Manual for alternative Winter tyre sizes. 1 Quote Link to comment Share on other sites More sharing options...
rowbos Posted October 16, 2021 Report Share Posted October 16, 2021 (edited) As above. I know the recommended winter tyre size is different to summer tyre size on my 987.2... it's summarised on the label inside my drivers door. Also I think you mean 265/35/19... 🤔 Edited October 16, 2021 by rowbos Quote Link to comment Share on other sites More sharing options...
McDonald Posted October 16, 2021 Author Report Share Posted October 16, 2021 23 minutes ago, rowbos said: As above. I know the recommended winter tyre size is different to summer tyre size on my 987.2... it's summarised on the label inside my drivers door. Also I think you mean 265/35/19... 🤔 Quite right. I'm going number blind. Quote Link to comment Share on other sites More sharing options...
McDonald Posted October 16, 2021 Author Report Share Posted October 16, 2021 1 hour ago, ½cwt said: Check you Driver's Manual for alternative Winter tyre sizes. Good advice, now followed. But it raises a new question. While 19inch rims are an option for summer tyres, only 18 inch rims are an option for winter tyres. It seems to suggest that the 19inch Lobster Claws I've just bought as winter wheels aren't suitable for the purpose. It would appear that anyone buying their car with 19inch rims would always need a second set of wheels in size 18 if they ever intended to fit winter tyres. All weather tyres don't get a mention. I remain uncertain on how to go forward. Quote Link to comment Share on other sites More sharing options...
Menoporsche Posted October 16, 2021 Report Share Posted October 16, 2021 Engage first, handbrake off, gently lift clutch foot. 2 Quote Link to comment Share on other sites More sharing options...
½cwt Posted October 16, 2021 Report Share Posted October 16, 2021 2 hours ago, McDonald said: Good advice, now followed. But it raises a new question. While 19inch rims are an option for summer tyres, only 18 inch rims are an option for winter tyres. It seems to suggest that the 19inch Lobster Claws I've just bought as winter wheels aren't suitable for the purpose. It would appear that anyone buying their car with 19inch rims would always need a second set of wheels in size 18 if they ever intended to fit winter tyres. All weather tyres don't get a mention. I remain uncertain on how to go forward. Is there a 40 profile 245? Quote Link to comment Share on other sites More sharing options...
rowbos Posted October 16, 2021 Report Share Posted October 16, 2021 3 hours ago, McDonald said: Good advice, now followed. But it raises a new question. While 19inch rims are an option for summer tyres, only 18 inch rims are an option for winter tyres. It seems to suggest that the 19inch Lobster Claws I've just bought as winter wheels aren't suitable for the purpose. It would appear that anyone buying their car with 19inch rims would always need a second set of wheels in size 18 if they ever intended to fit winter tyres. All weather tyres don't get a mention. I remain uncertain on how to go forward. I used to keep a set of 18's to use for winter... Quote Link to comment Share on other sites More sharing options...
McDonald Posted October 16, 2021 Author Report Share Posted October 16, 2021 1 hour ago, ½cwt said: Is there a 40 profile 245? I've found 245/40/Y19 Michelin Cross Climate online with Kw?ikfit. Would these fit my rear wheels? You may have found a solution for me. I hadn't considered changing the dimensions. Quote Link to comment Share on other sites More sharing options...
McDonald Posted October 16, 2021 Author Report Share Posted October 16, 2021 1 hour ago, ½cwt said: Is there a 40 profile 245? If I buy the 245/40/19 for the rear' Do I still need 235/35/19 for the front? Quote Link to comment Share on other sites More sharing options...
BBB Posted October 16, 2021 Report Share Posted October 16, 2021 Any use? https://www.willtheyfit.com/ 235/35/19 are normally on an 8.5J ET 55 wheel or an ET 57 265/35/19 are normally on 10J ET 42 wheel or a 9.5J ET 46 1 Quote Link to comment Share on other sites More sharing options...
edc Posted October 16, 2021 Report Share Posted October 16, 2021 You can fit the same size winter tyre as a summer tyre but typically winter tyres are narrower, as narrow that can fit in the wheel safely. 1 Quote Link to comment Share on other sites More sharing options...
½cwt Posted October 16, 2021 Report Share Posted October 16, 2021 3 hours ago, McDonald said: If I buy the 245/40/19 for the rear' Do I still need 235/35/19 for the front? 225/40/19 on front could be a bit better balanced on width and goes up a profile too from standard. Both tyres increase the rolling radius compared to the standard 19" tyre sizes by 2.5% front and 1.5% rear so should be well within tolerance to avoid any system errors. 1 Quote Link to comment Share on other sites More sharing options...
andy987 Posted October 17, 2021 Report Share Posted October 17, 2021 The manual/sticker will state M/S tyre size, last time we bought some it was 255 instead of 265 for summers Quote Link to comment Share on other sites More sharing options...
DaveEFI Posted October 17, 2021 Report Share Posted October 17, 2021 14 hours ago, McDonald said: I've found 245/40/Y19 Michelin Cross Climate online with Kw?ikfit. Would these fit my rear wheels? You may have found a solution for me. I hadn't considered changing the dimensions. I'd say you'd have to drastically reduce the width of the tyre to get decent performance in winter conditions. Which would likely need new wheels too? Quote Link to comment Share on other sites More sharing options...
BBB Posted October 17, 2021 Report Share Posted October 17, 2021 I’m banking on global warming and living near the sea, to avoid needing winter tyres. Quote Link to comment Share on other sites More sharing options...
mike597 Posted October 17, 2021 Report Share Posted October 17, 2021 I mentioned the size issue for Michelin earlier I think dropping to 255 on the rear will be fine. I assume you're not planning on taking the car across the Arctic tundra. Quote Link to comment Share on other sites More sharing options...
½cwt Posted October 17, 2021 Report Share Posted October 17, 2021 17 minutes ago, DaveEFI said: I'd say you'd have to drastically reduce the width of the tyre to get decent performance in winter conditions. Which would likely need new wheels too? Cross Climates the OP is considering are all season rather than strictly winter tyres. 2 hours ago, andy987 said: The manual/sticker will state M/S tyre size, last time we bought some it was 255 instead of 265 for summers Suspect these are 18" as well... Quote Link to comment Share on other sites More sharing options...
Jonners Posted October 17, 2021 Report Share Posted October 17, 2021 I've still got these available if you are interested! Quote Link to comment Share on other sites More sharing options...
Ninesomething Posted October 17, 2021 Report Share Posted October 17, 2021 19 hours ago, Menoporsche said: Engage first, handbrake off, gently lift clutch foot. Gently? Never thought of that. Quote Link to comment Share on other sites More sharing options...
Pete Collins Posted October 17, 2021 Report Share Posted October 17, 2021 I run 18" in the summer, on my 987.2 but swap for 17" in the winter. The rolling radius is the same so the speedo is still accurate. A much softer ride with the 17" as the tyre sidewalls are taller. Quote Link to comment Share on other sites More sharing options...
McDonald Posted October 17, 2021 Author Report Share Posted October 17, 2021 5 hours ago, mike597 said: I mentioned the size issue for Michelin earlier I think dropping to 255 on the rear will be fine. I assume you're not planning on taking the car across the Arctic tundra. No plans for extreme conditions & I live on the south coast. I do plan to drive the car year round. I'll use All seasons tyres November thru March, then back to Summer tyres. Quote Link to comment Share on other sites More sharing options...
NutsyH Posted October 18, 2021 Report Share Posted October 18, 2021 Put it in the garage and buy a Cayenne for winter😁 Quote Link to comment Share on other sites More sharing options...
thanatoid Posted October 18, 2021 Report Share Posted October 18, 2021 On 10/17/2021 at 11:08 AM, BBB said: I’m banking on global warming and living near the sea, Yeah, emergency floats might be best 🙂 Quote Link to comment Share on other sites More sharing options...
sa utah Posted October 18, 2021 Report Share Posted October 18, 2021 You definitely don’t want tyres that wide for winter use. just get yourself some 17” wheels and suitable tyres as a winter set. Quote Link to comment Share on other sites More sharing options...
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