Wheels and Tires

what's the difference between those 2 Pirelli tires

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  • Mar 3rd, 2022 2:21 pm
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Mar 2nd, 2022 10:10 am
supermike [OP]
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Aug 29, 2005
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Mar 2nd, 2022 10:10 am

what's the difference between those 2 Pirelli tires

Costco has Pirelli tires on sale, 150 dollars off for 4.

I found one thing interesting. They have 2 different prices for one same model, Pirelli - SCORPION VERDE ALL SEASON. One is 100 dollar cheaper each than the other. The only difference they put on website is that one is Original equipment for Porsche and the cheaper one is Original equipment for Volvo. Is there actually any difference other than the original equipment car? Thanks!

this is the more expensive one

this is the cheaper one
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Mar 2nd, 2022 10:28 am
engineered
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Mar 2nd, 2022 10:28 am

supermike wrote: ↑ Costco has Pirelli tires on sale, 150 dollars off for 4.

I found one thing interesting. They have 2 different prices for one same model, Pirelli - SCORPION VERDE ALL SEASON. One is 100 dollar cheaper each than the other. The only difference they put on website is that one is Original equipment for Porsche and the cheaper one is Original equipment for Volvo. Is there actually any difference other than the original equipment car? Thanks!

this is the more expensive one

this is the cheaper one
This means they have a specific part number for each. Usually this means small tweaks specific to the car, like slightly stiffer sidewall, compound, treadwear, etc.
I'd go for the cheaper one, unless we're replacing less than a full set of wheels.
Last edited by engineered on Mar 2nd, 2022 1:01 pm, edited 1 time in total.
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Mar 2nd, 2022 10:57 am
hightech
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Mar 2nd, 2022 10:57 am

Aside from what @engineered mentioned, I would check the treadwear numbers. The OEM version may have a lower treadwear value vs. the one you get at the local tire dealer. This could account for the differences.

Years ago, I put some Goodyear tires on my car and when I got home, I noticed one tire had a Treadwear value of 400 vs the 680 on the other 3. I went back to the tire dealer and they swapped it and told me the lower treadwear was an OEM model.
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Mar 2nd, 2022 11:04 am
supermike [OP]
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Mar 2nd, 2022 11:04 am

Thank you engineered and hightech! I have neither porsche nor volvo. I inputed the size of the tire and costco showed me those tires. Is it ok for me to use those oem tires?
Mar 2nd, 2022 11:24 am
warpdrive
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Mar 2nd, 2022 11:24 am

yeah, the cheaper Volvo one has a higher treadwear value, so it's likely the compound could be tweaked or maybe even the tread depth is less on the Porsche model. Sometimes OEM tires have less tread depth than the regular models. The one for the Porsche was probably optimized for driving feel and sacrificed longevity for that.
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Mar 2nd, 2022 12:38 pm
rngun
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Mar 2nd, 2022 12:38 pm

Your links do not work.

Anyways, maybe one model is a runflat tire.
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Mar 2nd, 2022 1:02 pm
engineered
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Mar 2nd, 2022 1:02 pm

supermike wrote: ↑ Thank you engineered and hightech! I have neither porsche nor volvo. I inputed the size of the tire and costco showed me those tires. Is it ok for me to use those oem tires?
Yes, it's fine (which is why they're both recommended to you). What car do you have?
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Mar 2nd, 2022 1:05 pm
Guest032984237
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Mar 2nd, 2022 1:05 pm

Your links do not work, please post the Costco Item numbers so I can find them.
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Mar 2nd, 2022 2:08 pm
smacd
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Mar 2nd, 2022 2:08 pm

Porsche owners are expected to pay more.
Mar 2nd, 2022 8:38 pm
kev604
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Mar 2nd, 2022 8:38 pm

One tire could have a higher speed rating so will cost more also one tire may be XL which could increase the price.
Mar 2nd, 2022 8:40 pm
supermike [OP]
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Mar 2nd, 2022 8:40 pm

engineered wrote: ↑ Yes, it's fine (which is why they're both recommended to you). What car do you have?
I have a highlander
Mar 2nd, 2022 8:42 pm
supermike [OP]
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Mar 2nd, 2022 8:42 pm

motomondo wrote: ↑ Your links do not work, please post the Costco Item numbers so I can find them.
Thanks motomondo!

The more expensive one is Item # 268033
the cheaper one is Item # 1153281
Mar 2nd, 2022 9:12 pm
Guest032984237
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Mar 2nd, 2022 9:12 pm

supermike wrote: ↑ Thanks motomondo!

The more expensive one is Item # 268033
the cheaper one is Item # 1153281
The difference is the UTQG rating. It appears that the cheaper tire has a better UTQG rating, so it is the better tire to buy. And (obviously) it is cheaper... so get that one for sure.

However, it doesn't make sense. Is it possible Costco made a mistake with the prices? Maybe.

Costco Item #: 268033 $434.99
Mfg Item #: 1806100
Tire Size: 275/45R20
Revolutions Per Km: 702
UTQG RATING 400-A-A


Costco Item #: 1153281 $349.99
Mfg Item #: 2765100
Tire Size: 275/45R20
Revolutions Per Km: 698
UTQG RATING 600-A-A

"UTQG" stands for "Uniform Tire Quality Grading".

The UTQG is a number and letters, as you can see in the examples above, it looks like "600-A-A"

The meaning of the number: Treadwear.
Tires are tested against a baseline or "control tire". The control tire has a treadwear grade of 100. So, if the tire being tested gets a 200 treadwear rating, that means it’s expected to take twice as long to wear out as the control tire. The larger the number, the better.


The meaning of the letters: Traction
A traction grade tells you how well your tire can stop in wet conditions. The highest traction grade is AA, followed by A, B, and C. Tires with an ‘AA’ traction rating should stop at a much shorter distance than a tire with a ‘C’ rating.
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Mar 2nd, 2022 10:07 pm
bubuski
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Mar 2nd, 2022 10:07 pm

It is not a price error the Porsche tire costs Pirelli more to manufacture.

The Volvo tire is from Pirelli's Romania manufacturing plant, while the Porsche tire is from the UK plant. Porsche has another identical named Pirelli tire that is manufactured in Germany and comes with less tread when new(9/32") and it 3 pounds lighter but it is the most expensive of the three.

Car manufacurers sometimes spec these tires to achieve the driving dynamics they want. Different compound, different tread depth and different weight and so on. Thy might be aiming for slightly performance, more economy range or a bit of both. It is also common when returning a leased european car that some Manufacturers require the spec tires to be installed at lease end.

Tirereviews did a video on these Michelin spec tires some time ago. Comparing the BMW spec Michelin Pilot Sport 4S vs the normal Michelin Pilot Sport 4S.

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Mar 3rd, 2022 8:35 am
hightech
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Mar 3rd, 2022 8:35 am

motomondo wrote: ↑ The difference is the UTQG rating. It appears that the cheaper tire has a better UTQG rating, so it is the better tire to buy. And (obviously) it is cheaper... so get that one for sure.

However, it doesn't make sense. Is it possible Costco made a mistake with the prices? Maybe.

Costco Item #: 268033 $434.99
Mfg Item #: 1806100
Tire Size: 275/45R20
Revolutions Per Km: 702
UTQG RATING 400-A-A


Costco Item #: 1153281 $349.99
Mfg Item #: 2765100
Tire Size: 275/45R20
Revolutions Per Km: 698
UTQG RATING 600-A-A

"UTQG" stands for "Uniform Tire Quality Grading".

The UTQG is a number and letters, as you can see in the examples above, it looks like "600-A-A"

The meaning of the number: Treadwear.
Tires are tested against a baseline or "control tire". The control tire has a treadwear grade of 100. So, if the tire being tested gets a 200 treadwear rating, that means it’s expected to take twice as long to wear out as the control tire. The larger the number, the better.


The meaning of the letters: Traction
A traction grade tells you how well your tire can stop in wet conditions. The highest traction grade is AA, followed by A, B, and C. Tires with an ‘AA’ traction rating should stop at a much shorter distance than a tire with a ‘C’ rating.
That was what I had mentioned in post 3. I learned this the hard way about 20 years ago and was fortunate enough to catch it when I got home to inspect my tires.

It goes to show that OEM tires are overpriced compared to the regular versions.
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Mar 3rd, 2022 12:40 pm
engineered
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Mar 3rd, 2022 12:40 pm

motomondo wrote: ↑ The difference is the UTQG rating. It appears that the cheaper tire has a better UTQG rating, so it is the better tire to buy. And (obviously) it is cheaper... so get that one for sure.
However, it doesn't make sense. Is it possible Costco made a mistake with the prices? Maybe.
Costco Item #: 268033 $434.99
Mfg Item #: 1806100
Tire Size: 275/45R20
Revolutions Per Km: 702
UTQG RATING 400-A-A

Costco Item #: 1153281 $349.99
Mfg Item #: 2765100
Tire Size: 275/45R20
Revolutions Per Km: 698
UTQG RATING 600-A-A
"Better" depends on what you're looking for. Higher UTOG rating generally means that tire will offer lower grip. Some drivers may prefer more grip over longer tread wear. Porsche clearly wanted more grip for their tires to enhance performance.
But yea, OP would probably prefer longer tread life on his Highlander. I generally only look for lower UTOG on my track tires.
If the women don't find you handsome, they should at least find you handy.
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Mar 3rd, 2022 1:07 pm
Guest032984237
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Mar 3rd, 2022 1:07 pm

engineered wrote: ↑ "Better" depends on what you're looking for. Higher UTOG rating generally means that tire will offer lower grip. Some drivers may prefer more grip over longer tread wear. Porsche clearly wanted more grip for their tires to enhance performance.
But yea, OP would probably prefer longer tread life on his Highlander. I generally only look for lower UTOG on my track tires.
For the track and competition? Sure.

For everybody else driving on the street (99.5%)? I think the better tire is the one that last the longest.
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Mar 3rd, 2022 2:21 pm
engineered
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Mar 3rd, 2022 2:21 pm

motomondo wrote: ↑ For the track and competition? Sure.

For everybody else driving on the street (99.5%)? I think the better tire is the one that last the longest.
There is a trade off to make. Even on the street.
I don't just choose the longest life tire, which is generally an eco tire with terrible grip.
My summer tires are UHP but a good balance of grip and wear on my coupe.
On a sedan, or SUV, generally I look for value. Good grip, good wear, and good price. I think that's better than low grip, best wear, and whatever price. Worst are the cheap tires with low grip, mediocre wear, and low price.
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