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  1. Arvind S
  2. Tyres & Alloy Wheels
  3. Tuesday, January 14 2020
Hi admin,
I would like to ask a query regarding upsizing tyres from stock 165/65 R14 to 185/65 R14 on my Hyundai i10 grand 2015 petrol model.

I did this upgrade couple of months back. I wanted to buy 185/60R14 but the dealer forced me to buy 185/65R14 and now I realize that the tyre overall diameter is more than stock, with the gap between tyre and wheel arch reduced.

Is this a bad upgrade? What are the solutions that you can recommend for this? I do not see much dip in fuel efficiency or handling but concerned whether the tyres would scratch or hit against the wheel arch while travelling on full load or while maneuvering through pot holes or humps.
Expecting your reply on this.

Thanks in advance.
Raju chacha Accepted Answer
You should have thought before fitting.

Now already fitted, then don't do driving in harsh conditions as you know the limit of present set of tyres.

Don't think it will create any problem if driven with precautions

  1. more than a month ago
  2. Tyres & Alloy Wheels
  3. # 1
Admin Accepted Answer

As you can check in this - Tyre Size Calculator

Your car tyre deviation is
> 4.5% in Tyre Circumeference
> Tyre Gaining over 1 Inch in Height
> Width is increasing by 12%

This is a complete mis-match and will impact
> Suspension Shockers
> Odometer Speed
> Steering will end up been more firm
> Driven on bad roads then tyre can yes scrape in

Yes R14 185/60 could have been a better choice
Considering all - i recommend to let it pass and sell the tyres online or through tyre dealer in exchange at 50% value and buy either OEM size or R14 185/60 and bear the brunt as better way.

Hope should help !!

  1. more than a month ago
  2. Tyres & Alloy Wheels
  3. # 2
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