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Thread: Signum Tyre Size

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    Regular Member Dane-10's Avatar
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    Default Signum Tyre Size

    After quite a bit of reading through several threads on here, Ive noticed people saying use a different size tyre.

    I currently have 215/50/17 NCT5s on
    (only had it a few days the car, and ive noticed even with 4mm+ Tread these tyres seem awfull)

    I am looking around at new tyres, with a few threads on the forum reccomending the Uniroyal Rainsport 2, I am looking to go for a full set of these, Though i am wondering about the size,

    Do i go the current size of 215/50/17 which are £109.00 per tyre on camskil, or do i change for the same tyre in a 225/45/17 which is only £87.00 per tyre, Its (to me) a nice saving over a full set of tyres. (£22.00 per tyre saved)

    Any advice would be appretiated.

    Thanks

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    Regular Member lee gsi's Avatar
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    Vehicle : Signum

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    Default

    They have almost the same rolling radias.

    I went to 225/45/17 and they fit the rim better and as you say they are cheaper.

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    Regular Member gtr1000's Avatar
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    Engine : 140 Ecoflex S/S

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    The 215/50's from Camskill are £109 for XL or £100.50 for the 91W.
    The 225/45's from Camskill are £87 for XL or £80.70 for the 91W.

    Do you really need XL's on your 150 CDTi? Interesting replies on this thread http://vectra-c.com/forum/showthread.php?t=155345 .

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    Regular Member Dane-10's Avatar
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    I would prefere the XL, mainly for the chance of carrying extra weight (there is always a chance) and I just personally would prefere this, Hence i looked at these prices. One day, may even have a tow bar fitted and be towing. I would prefere to be safe than sorry and having to pay out again.

    An extra £9/£7 per tyre isnt a huge issue. The ExtraSaftey that would come with XLs would be worth every penny aswell. But, as per that thread, its each to there own in the end.

    Im mainly looking at the tyre size, Are the 225/45/17 Suitable/More commonly used on the signum, or are people sticking to the reccomended 215/50/17.

    I was using Camskill as an example untill i called my local tyre garages, I can use either of my local garages, Both can provide me with Uniroyal Rainsport 2's for £97 per tyre (225) and £119 (215), fitted/balanced + Tracking free if i purchase 4.

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by Dane-10 View Post
    (only had it a few days the car, and ive noticed even with 4mm+ Tread these tyres seem awfull)
    The poor performance is simply down to the low remaining tread
    Typically once front tyres are down to 3mm they are finished and care needs to be taken on road surfaces that are not dry

    Purchase the new tyres and put them on the rear
    Then swap rear to front as each pair is replaced

    As for replacements, this is a personal choice over budget and brand
    I swapped from the 215/50R17 XL to the 225/45R17 XL simply due to the cost saving (£160 compared to £110 fitted)
    I tried to stay with Goodyear but they kept changing them every 12 to 18 months
    I went back to Michelin and although this has increased the cost slightly I prefer them over the Goodyear, as they are much better performing at low tread

    My current recommendations would be :
    Goodyear Eagle Assymetric 225/45R17 94W XL (although this has since been renamed)
    Michelin Primacy HP 225/45R17 94W XL
    I am buying these at about £80 and paying £10 for fitting, or £90 fitted

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    225 45 17 is the sensible sized choice due to pricing and a minimal size difference.

    the higher the speed and load rating the better as that lowers the chance of failure under extreme conditions/treatment.
    I like the nexen N6000 (225/45/17/94w xl) myself as they are good all rounders, better grip than the old NCT5s and only cost 65quid fitted if you haggle nicely.

    they dont last as long as the ncts but then again really hard rubber doesn't wear or grip very well.
    Last edited by FLOB; 5th February 2012 at 18:43. Reason: tthey went up in price 8-(

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