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#3771258 - 06/25/15 03:11 PM CS5 Ultras vs Grand Touring & Changing Tire sizes
ltslimjim Offline


Registered: 08/06/10
Posts: 5642
Loc: WatUpDoc
So, with the current deal going on at DiscountTire and DTD, I'm considering just dumping the inherited Chinese made tires on my 2007 Honda Fit Sport. Hey, together I'm talking $195 in rebates here why not? It has the stock 15" alloys and they come with stock / currently have installed 195/55r15.

However, Cooper only offers their Ultra Touring (60k warranty) in this size. For $10 less / tire on DiscountTireDirect's website I can get the Grand Touring (80k warranty) in a size close at 185/60r15.

Am I crazy for considering this just to get the Grand Touring? It's not that much taller of a tire and the footprint is slightly smaller.

Thoughts, opinions, and advice please!

Links to the tire options:

195/55r15

vs.

185/60r15

Might I run into mounting issues? Pros vs cons?
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#3771262 - 06/25/15 03:14 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
Miller88 Offline


Registered: 04/09/08
Posts: 12704
Loc: Onondaga County
Depending on the state - you may not be able to get it mounted up. Here in NY, tire shops won't touch anything that is the wrong size.

If I have 185-65-15 mounted on my car that calls for 196-60-15 and I get drunk and kill someone, guess what? The tire shop can be held 100% liable for it.

I don't see a problem other than that.
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#3771271 - 06/25/15 03:21 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
901Memphis Offline


Registered: 08/14/10
Posts: 12893
Loc: Northern Kentucky
Ultra touring is geared towards higher performance cars with more dry grip, the Grand touring has a lower speed rating too. You will not need the Ultra touring unless you autocross.


I am very pleased with my CS5 grand touring I can't imaging anything sticker needed on a family sedan or economy box. The Grand touring is rated at 80,000 miles, while the Ultra is a softer 60,000 mile compound. It makes much more sense to get the GT.

I actually have to go with the Buick Regal size tires to get the Grand touring since they didn't have anything I wanted in the smaller oem Buick Century size, thankfully they would mount anything I wanted in the great Commonwealth of Kentucky!
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#3771280 - 06/25/15 03:29 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
ltslimjim Offline


Registered: 08/06/10
Posts: 5642
Loc: WatUpDoc
This may be just a case of me overthinking matters. The Ultra isn't necessarily the worse / lesser tire. For some reason, my perception was that the Grand was better than the Ultra, but it's simply a differently made tire. The Ultras are focusing slightly more on dry traction / performance than tread wear life compared to the Grand.
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#3771290 - 06/25/15 03:38 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
01_celica_gt Offline


Registered: 07/29/13
Posts: 1764
Loc: St. Louis, MO
Originally Posted By: ltslimjim
The Ultras are focusing slightly more on dry traction / performance than tread wear life compared to the Grand.
That's because the higher the speed rating, the "gripper" the tire, at least this is what I understand from the tire reviews I have read, I could be wrong.
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#3771292 - 06/25/15 03:39 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
ltslimjim Offline


Registered: 08/06/10
Posts: 5642
Loc: WatUpDoc
^I suppose the only real trade-off is lower warranty mileage because of a slightly more aggressive tire.
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#3771304 - 06/25/15 03:52 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
01_celica_gt Offline


Registered: 07/29/13
Posts: 1764
Loc: St. Louis, MO
Originally Posted By: ltslimjim
^I suppose the only real trade-off is lower warranty mileage because of a slightly more aggressive tire.
that's what I think

And I think if your alignment is in spec (unless there is a manufacturing defect in the suspension setup, a reference would be the 06-09 Civics with their rear tires having excessive wear caused by a poor setup), your suspension is in good condition, and your rotating your tires in time, you could make it last more then 60,000 miles, at least that's the case with my Chinese made PrimeWells from FireStone, 25k miles into 40k mile warranty and 80% thread is remaining.

I personally think people over maintain their oil changes with the 3000 OCI and neglect the rest of the car, especially tires.

A good routine tire maintenance can make them last beyond their warranty (for some tire brands I guess)


Edited by 01_celica_gt (06/25/15 03:54 PM)
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#3771312 - 06/25/15 04:02 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
EdwardC Offline


Registered: 11/14/13
Posts: 1864
Loc: Chicago, IL
Interestingly, the bar graph at the bottom of Cooper's site show the exact same specifications for both tires.

http://us.coopertire.com/Tires/Passenger/CS5-Ultra-Touring.aspx
http://us.coopertire.com/Tires/Passenger/CS5-Grand-Touring.aspx

I'd be inclined to go with the Ultra Tourings for two main reasons - 1) maintaining the original tire size, 2) the V/H rated tires are typically better constructed.

http://www.barrystiretech.com/speedratings.html (thank's, capriracer)

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#3771330 - 06/25/15 04:16 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
ltslimjim Offline


Registered: 08/06/10
Posts: 5642
Loc: WatUpDoc
^Oh, wow. Thanks for the links. Good points. I think the rebates / overall deal got me so hyped I stopped thinking clearly for a moment. Nice to have some objective and constructive help. smile
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#3771387 - 06/25/15 05:05 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
Nick1994 Online   content


Registered: 02/19/13
Posts: 10119
Loc: Phoenix, AZ
I've never had an issue with different tire sizes at Discount Tire, they didn't even think twice when I asked for it. My dad did it on his truck, brother did on his Jeep, I did it on my grandfathers Jeep and the 1970 Beetle. Although all of these tires went bigger, not smaller.
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#3771425 - 06/25/15 05:59 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
HTSS_TR Offline


Registered: 04/17/06
Posts: 19528
Loc: Lake Forest, CA
After $195 rebates plus mounting the total should be around $250 for 4 Ultra Touring 195/55-15. Assume that it will lasted 60k miles your cost per 1,000 miles is $4.20. Your gas cost is about 30 gallons at $2.50/gal is $75, so the tire costs about 6% of gasoline.

You should stay with Ultra Touring 195/55-15.
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#3771456 - 06/25/15 06:35 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: Miller88]
HerrStig Offline


Registered: 08/24/11
Posts: 9560
Loc: Boston, MA
Originally Posted By: Miller88
Depending on the state - you may not be able to get it mounted up. Here in NY, tire shops won't touch anything that is the wrong size.

If I have 185-65-15 mounted on my car that calls for 196-60-15 and I get drunk and kill someone, guess what? The tire shop can be held 100% liable for it.

I don't see a problem other than that.
Is THAT ever a gross oversimplification of negligence law!

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#3771673 - 06/25/15 10:51 PM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: Nick1994]
HTSS_TR Offline


Registered: 04/17/06
Posts: 19528
Loc: Lake Forest, CA
Originally Posted By: Nick1994
I've never had an issue with different tire sizes at Discount Tire, they didn't even think twice when I asked for it. My dad did it on his truck, brother did on his Jeep, I did it on my grandfathers Jeep and the 1970 Beetle. Although all of these tires went bigger, not smaller.

My local America's Tire is the same. When I had 245/45-17 installed on the rear of my S2000 few months ago, the clerk only mentioned that this was not OE size.
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#3771812 - 06/26/15 04:44 AM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
ltslimjim Offline


Registered: 08/06/10
Posts: 5642
Loc: WatUpDoc
I mean I'm driving a Honda Fit. How much longer will I actually get on the Grand Touring in a slightly different tire size vs the Ultras (80k vs 60k warranties)? ???
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07 Honda Fit Sport (A/T) WELCOME thumbsup

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#3772022 - 06/26/15 09:58 AM Re: CS5 Ultras vs Grand Touring & Changing Tire sizes [Re: ltslimjim]
Scum_Frog Offline


Registered: 07/25/10
Posts: 926
Loc: Ontario, Canada
Changing tire size is not the issue, it's making sure you stay within acceptable overall Diameter, load, speed rating etc.

This is a good site to play with different tire sizes.

http://tire-size-conversion.com/tire-size-comparison/


Edited by Scum_Frog (06/26/15 10:00 AM)
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