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Thread: Road Clearance for Prius 2012

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    Default Road Clearance for Prius 2012

    Aoa everyone,
    I purchased a Toyota Prius 2012 a month ago. My question is that will I get better road clearance by replacing 195/65/15 stock tyres with 205/65/15?


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    1. aspect ratio is same for your proposed replacement size so there will be no clearance gains as such,

    2. stick with stock tyre size ,that is what the manufacture is recommending , no need to waste money on oversize heavies.

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    I was of the same opinion as profile size remains same. But I physically checked tyres today. 205/65/15 looks slightly higher as 195/65/15. The shop guy said it is profiled accordingly and will increase clearance by ~inch.

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    Quote Originally Posted by salman645 View Post
    I was of the same opinion as profile size remains same. But I physically checked tyres today. 205/65/15 looks slightly higher as 195/65/15. The shop guy said it is profiled accordingly and will increase clearance by ~inch.
    There will be a difference. though the width will increase, resulting in lower mileage and a negligible but real affect on suspension in the long run. 195 is the tire width, 65 is the percentage of the width to measure the height. so converting to 205 will increase height and reduce gap between fender and tire. it does help improve clearance

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    Quote Originally Posted by salman645 View Post
    I was of the same opinion as profile size remains same. But I physically checked tyres today. 205/65/15 looks slightly higher as 195/65/15. The shop guy said it is profiled accordingly and will increase clearance by ~inch.
    Go with 205/70 or 205/75 or 195/75 all will improve clearance significantly

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    Quote Originally Posted by salman645 View Post
    I was of the same opinion as profile size remains same. But I physically checked tyres today. 205/65/15 looks slightly higher as 195/65/15. The shop guy said it is profiled accordingly and will increase clearance by ~inch.
    Go for 205/65/15 max and nothing over that size. It will solve your problem while remaining somewhat close to the manufacturer's recommended size.
    I am personally using 205/65/15 in 2012 prius and it doesn't hit most bumps which it did on 195/65.
    Having said so, we tend to change many things for the sake of our convenience, whereas hybrids are very sensitive to tyre size and even air pressure.

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    Quote Originally Posted by salman645 View Post
    I was of the same opinion as profile size remains same. But I physically checked tyres today. 205/65/15 looks slightly higher as 195/65/15. The shop guy said it is profiled accordingly and will increase clearance by ~inch.
    yes it will be taller because its the number written after the / is a percentage, meaning its 65% of whatever the patch width is, on a 195mm footprint tire the profile height is approximately 127mm, on a 205mm footprint tire the same 65% height becomes 133mm.

    this height will throw out the calibration of your speedo and odometer also - so whatever fuel calculation your car is displaying would be wrong (just a secondary point to note).

    It will also make the car handle like a bowl of jelly (not that prius has good handling in the first place - but whatever it has will become worse)
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    Quote Originally Posted by Xulfiqar View Post
    yes it will be taller because its the number written after the / is a percentage, meaning its 65% of whatever the patch width is, on a 195mm footprint tire the profile height is approximately 127mm, on a 205mm footprint tire the same 65% height becomes 133mm.

    this height will throw out the calibration of your speedo and odometer also - so whatever fuel calculation your car is displaying would be wrong (just a secondary point to note).

    It will also make the car handle like a bowl of jelly (not that prius has good handling in the first place - but whatever it has will become worse)
    What about toyota corolla GLI 2012 ? I am using company spec profile which is 195/65/15 but hit from front on bulky bumps. If I'll use this profile 205/65/15 either car hit the bulky bump or not?? Suspension check - its all right...
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    Quote Originally Posted by Xulfiqar View Post
    yes it will be taller because its the number written after the / is a percentage, meaning its 65% of whatever the patch width is, on a 195mm footprint tire the profile height is approximately 127mm, on a 205mm footprint tire the same 65% height becomes 133mm.

    this height will throw out the calibration of your speedo and odometer also - so whatever fuel calculation your car is displaying would be wrong (just a secondary point to note).

    It will also make the car handle like a bowl of jelly (not that prius has good handling in the first place - but whatever it has will become worse)
    And what about abs sensor giving wrong feedback to ecu due to bigger Dia tyre rotating slower

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    Quote Originally Posted by galant1 View Post
    What about toyota corolla GLI 2012 ? I am using company spec profile which is 195/65/15 but hit from front on bulky bumps. If I'll use this profile 205/65/15 either car hit the bulky bump or not?? Suspension check - its all right...
    What bumps do you travel on that a gli gets hit? 205 would increase the height but depends on the bumps and your driving style that will it hit or not

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    what is the recommended air pressure for 195/65/15 prius tyers...

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    I upgraded to 205/65/15 Perelli. Seems the car has better road clearance now.

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    dears, what about using spacers/packing rather altering tyres size. needs kind input. thanks.

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    AOA,
    I am using 2012 prius. Installed spacers and changed tyres to 205-65-R15. Tyres are almost same size as orignal one but they are harder as compare to Japanese tyres. Secondly I keep air pressure to 32. Bigger tyres are heavier and wider so decreases fuell efficiency as well. Less millage is better than damaging your prius.

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    Quote Originally Posted by mybhtti1 View Post
    AOA,
    I am using 2012 prius. Installed spacers and changed tyres to 205-65-R15. Tyres are almost same size as orignal one but they are harder as compare to Japanese tyres. Secondly I keep air pressure to 32. Bigger tyres are heavier and wider so decreases fuell efficiency as well. Less millage is better than damaging your prius.
    Did you installed spacers in all four tires or just rear tyres? Also what is the size of spacers i.e. 1 inch or more?

    Also how much is the decrease in mileage after changing the tyres from Stock.

    And last, did doing all this, you managed to make road clearance of Prius equal to XLi?
    -

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    Quote Originally Posted by mybhtti1 View Post
    AOA,
    I am using 2012 prius. Installed spacers and changed tyres to 205-65-R15. Tyres are almost same size as orignal one but they are harder as compare to Japanese tyres. Secondly I keep air pressure to 32. Bigger tyres are heavier and wider so decreases fuell efficiency as well. Less millage is better than damaging your prius.
    How much decrease in mileage sir due to tyres ? And Mention spacer size too pls and are you satisfied?

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    Quote Originally Posted by mybhtti1 View Post
    AOA,
    I am using 2012 prius. Installed spacers and changed tyres to 205-65-R15. Tyres are almost same size as orignal one but they are harder as compare to Japanese tyres. Secondly I keep air pressure to 32. Bigger tyres are heavier and wider so decreases fuell efficiency as well. Less millage is better than damaging your prius.
    How much decrease in mileage sir due to tyres ? And Mention spacer size too pls and are you satisfied?

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