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18" 5 spoke on A4 B7 S-line saloon. Which tyres?

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by ming, Jul 14, 2010.

  1. ming

    ming New Member

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    New member.
    Planning to fit Falken 452 tyres to the 18" alloys.
    Which size would be best for my kinda gentle "considerate to the car" driving style; 225/40/18 or 235/40/18? Or, is the 225/45/18 an option?
     
    #1 ming, Jul 14, 2010
    Last edited: Jul 14, 2010
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  3. jwhat

    jwhat Member
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    The standard tyre size is 235/40/18 so I'd stick with them.
     
  4. ming

    ming New Member

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    Thanks for feedback.
    After some investigation of the characteristics of the 225-v-235 with same aspect (40), I notice that the Static and Dynamic radii are almost identical. So, apart from the marginally increased width (4.5%) and air volume (10%) there's little to chose between them.
    However, when it comes to cost there sure is: Falken 452's from Camskill: 225/40/18 - £66.30; 235/40/18 - £88.50. A whopping 33%.
    Apparently, there's an economy of scale at work here. The 225 size has significantly higher demand than the 235, hence the relatively disproportionate price differential.
    Decision time, then!
     
  5. uber-tub

    uber-tub Member

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    that's a decision made as far as I'm concerned! Nice one.. you've just saved me a packet!
     

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