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Old 11-01-2017, 01:08 PM   #1
Tan
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Snow question

Hi

With snow in the forecast, I was pondering which will be better in the snow a mid engined sports car on winter tyres or a 4x4 on summer tyres?

Based on general road use.

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Old 11-01-2017, 01:12 PM   #2
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Hi

With snow in the forecast, I was pondering which will be better in the snow a mid engined sports car on winter tyres or a 4x4 on summer tyres?

Based on general road use.

Tan
Anything on winters will be better than anything on summers.

I had my CLK500 on winters fly past 4x4's stuck in snow.
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Old 11-01-2017, 01:12 PM   #3
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Mid Engined sports car on winter tyres.

My friend has a 911 on winter tyres and on snow it is like driving in rain. Amazing!!

There is quite a good video Auto Express did of driving different (2wd and 4wd) versions of the same car up a ski slope on winter and summer tyres. Bit of an eye opener for the 4wd owners.
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Old 11-01-2017, 01:21 PM   #4
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Anything on winter tyres.

After being a passenger in a car on winter tyres in thick snow in Switzerland, I was amazed at the roadholding and grip they give.
Fortunately, snow is very rare in my part of the UK, but if it arrives, the E55 will stay at home.
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Old 11-01-2017, 01:39 PM   #5
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There is quite a good video Auto Express did of driving different (2wd and 4wd) versions of the same car up a ski slope on winter and summer tyres. Bit of an eye opener for the 4wd owners.
The ski slope video is here: Winter tyres: 4x4 grip test video | Auto Express

and their test for the difference in braking is here: Winter tyres vs summer tyres | Videos | Auto Express
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Old 11-01-2017, 01:45 PM   #6
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Anything on winters will be better than anything on summers.
Oh I don't know, I'd settle for Ginger Lynn on Summers every time!
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Old 11-01-2017, 01:57 PM   #7
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Winter tyres trump smug sense of 4x4 invincibility, as maths suddenly reminds you that 4 times nothing is exactly the same as 2 times nothing.
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Last edited by Doodle; 11-01-2017 at 01:59 PM.
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Old 11-01-2017, 02:29 PM   #8
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There's another video somewhere of something like a Subaru (on summers) versus something like a BMW (great reputation for spinning wheels in the snow) on winters. - From a standing start the BMW wins hands down.

Having said all that, an AWD car on summers beats a 2WD car on summers. - The Nissan flies past people as long as one or more wheels can find grip... but on ice there's no traction for any wheel which results in broken wheels when you hit a curb.
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Old 11-01-2017, 02:33 PM   #9
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Some insurance companies require that they be informed if you change to snow tyres. There's a list on the Honest John site.
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Old 11-01-2017, 02:45 PM   #10
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This is the ABI statement on the matter

https://www.abi.org.uk/~/media/Files...commitment.pdf

If the tyres are within spec for the car, I don't see why they insist on being informed except as an excuse to extort more money from customers. They don't ask you what make/model tyres are fitted, after all.

Last edited by Doodle; 11-01-2017 at 02:48 PM.
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Old 11-01-2017, 02:59 PM   #11
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I have had many 4x4s,
And the difference when you put winter or snow or mud tires on them is massive,

The wife has winter tires on her c class saloon, work great till she reached snow deeper then the chassis, then it's snow chain time.
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Old 11-01-2017, 03:00 PM   #12
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There's another video somewhere of something like a Subaru (on summers) versus something like a BMW (great reputation for spinning wheels in the snow) on winters. - From a standing start the BMW wins hands down.
Perhaps this one? Watch a BMW M3 with Winter Tires Run Circles Around a Subaru Forester with Summer Rubber [Update]
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Old 11-01-2017, 03:17 PM   #13
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This is the ABI statement on the matter

https://www.abi.org.uk/~/media/Files...commitment.pdf

If the tyres are within spec for the car, I don't see why they insist on being informed except as an excuse to extort more money from customers. They don't ask you what make/model tyres are fitted, after all.
If you've gone to the trouble to fit winter tyres they think you'll be driving a lot more in dangerous conditions and you'll crash and kill bus full of school children, so yes just another excuse to bleed us dry.
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Old 11-01-2017, 03:41 PM   #14
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I've owned some pretty decent 4x4's in my time including a Unimog. I ran winter rated tyres on them all as they were often out in testing conditions on callouts in Scotland. At the moment I have a Touareg. Superb vehicle and very capable off-road although I have it mainly for towing a heavy trailer. It is currently fitted with road tyres (the 1st time I've done this with a 4x4) and it handles well for a big lump. However, if it snows heavily I'll be taking Mrs camerfodder's Toyota IQ as it has nicely siped tyres on it. The VW will be staying put. As others have said, its all about tyres.
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Old 11-01-2017, 04:11 PM   #15
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With snow in the forecast, I was pondering which will be better in the snow a mid engined sports car on winter tyres or a 4x4 on summer tyres?

Based on general road use.
With a mid engined car I would be very careful regardless of tyres fitted. I've been in one that did a spin at low speed in light snow on a straight road. I would add some weight to the front with a sack of something heavy stuffed into the front well if there is the space - and I'd possibly leave any rear overhanging boot empty.

I'd go with the 4x4 as long as the normal tyres had some decent tread.

I think people are under the illusion that winter tyres work miracles in snow. IMO for the main part they are simply making up for the fact that these days we have wide low profile tyres on the car in the first place - and that modern cars are heavy and have higher low down power delivery and braking systems that are naturally less gentle than the cars of yesteryear.

The apocryphal stories of 4x4 cars failing in winter conditions are as much down to the style over substance and lack of driver technique as anything else.

I had my W211 out in poor conditions in several winters - it had boring wheels and tyres - and I had plenty of tread - and it was a petrol slug that meant power delivery was gentle - and I drove to the conditions - and kept the fuel tank topped up and sometimes asked my front passenger to sit in the back.

And yes I encountered 4x4s on occasion that seemed to struggle more - either on silly wheels and tyres or with a cluelessly heavy footed driver.

Last edited by Dryce; 11-01-2017 at 04:18 PM. Reason: Typo correction
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