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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old October 24th, 2013, 08:45   #1
mc4nam
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Default Stick with 235/45/18 or go to 225/50/18? H or V rated?

I currently have the 235/45/18 Bridgestone Turanza El 400's in an H rating----ugh.

I really want something quieter, smoother, and safer that will maximize MPG's as well. I drive pretty easy as well, especially since I am hauling my 1 year old son around.

From what I could find on Tire rack, The tires I have weigh 24 lbs and tread width is 8.1". I could not find overall diameter specs but similar Bridgestones are either 26.3" or 26.5"

All of the 225/50/18 seem to have an overall diameter of 26.9" Is this little bit going to affect my speedometer? Is this little bit really going make a difference in ride and Gas mileage? Even worth the hassle of changing sizes? I would like the idea of filling up the wheel well a little with a taller tire but is .6 inches really going to be noticeable? The 225/50/18 seems to be a little more expensive as well.

The tire's I am debating between are the same ones everyone else seems to be debating between - Pirelli P7, Conti Pure Contact, and Michelin MXM4.

Conti Pure- 235/45/18 - V rated - 24 lbs, 26.3" diameter and 9" tread width
Pirelli P7 - 235/45/18 - H rated- 25 lbs, 26.5" diameter and 8.4" tread width
Michelin MXM4- 235/45/18 - V rated - 26 lbs, 26.3" diameter and 9.2" tread width.
Michelin Defender - 225/50/18 - T rated - 24 lbs, 26.9" diameter and 9.2" tread width.
Michelin MXM4- 225/50/18 - W rated - 25 lbs, 26.9" diameter and 7.8" tread width.

The Pirelli P7 is intriguing me the most because of the H rating. That should mean a little better ride than the V because the sidewall is not as stiff correct?

I have also read that the more tire to the ground, the worse the MPG's. Most of the replacement options I am looking at have a wider tread than what i have. Is it so minimal that it will not even matter?

I have read probably too many reviews here, tire rack, and other places and just cannot decide. The good news is any of the replacements I am looking at will be much better than what I have based on the information I have read.

I keep going back to the Michelins based on the tire rack review in the link below because it seems to be the best riding and quietest of the 3. But this review also used the V rated Pirelli and not the H rated version?

http://www.tirerack.com/tires/tests/...y.jsp?ttid=171

Decisions, Decisions, Decisions. As you can see I am over thinking this but whatever I buy, I am going to have to live with for at 50k miles.

Thanks in advance for all replies and suggestions.
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Last edited by mc4nam; October 24th, 2013 at 09:08.
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Old October 24th, 2013, 09:58   #2
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I went through a similar deal about 4 years ago with my JSW TDi. Traded the 17" wheels for VW 16's, went with a taller narrower lighter tire with a high rating for economy. Of course they squealed at the slightest provocation and were not fun to drive at all. Did careful calculations before & after, had to adjust the speedo with VCDS to get it right. After all was done, the difference in MPG's was too close to call, less than 1 mpg better.

I'd only make a change if it is to something that you like, looks better, or really want for some other reason.
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Old October 24th, 2013, 15:41   #3
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Tire rack suggests the 225 as an alternate for snow tires - probably not a bad idea to have a bit narrower tire on snowy roads.
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Old October 24th, 2013, 18:59   #4
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I was debating between your first three choices and went with the Pirelli P7 H. Mainly due to the stellar user reviews at Tire Rack and that Sams has them on sale with a $60 credit. I think the Michelin, Pirelli and Conti are all very good and probably very close to each other in performance. I like to buy tires from Sams due to location to me, service and price, and they don't sell Conti so it was the Michelin or Pirelli.
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Old October 24th, 2013, 19:41   #5
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Quote:
Originally Posted by StoneCrab View Post
I was debating between your first three choices and went with the Pirelli P7 H. Mainly due to the stellar user reviews at Tire Rack and that Sams has them on sale with a $60 credit. I think the Michelin, Pirelli and Conti are all very good and probably very close to each other in performance. I like to buy tires from Sams due to location to me, service and price, and they don't sell Conti so it was the Michelin or Pirelli.
Thanks. Have your Pirelli's lived up to expectations? Way better than Bridgestone?
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Old October 24th, 2013, 19:56   #6
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I just bought and am getting ready to mount the 235/45/18 MXM4's
If you drive like you described I would go with the Defender 225/50/18 because of the mileage difference.Hind sight..I should have done the same. I used to work for Michelin in Nova Scotia so am a little partial to the brand.I also run them on my BMW GS & HD motorcycles.
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Old October 25th, 2013, 04:10   #7
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Quote:
Originally Posted by mc4nam View Post
Thanks. Have your Pirelli's lived up to expectations? Way better than Bridgestone?
I don't have them installed yet, should have them on in a few days. I'll write a post on initial findings after I get a few miles on them.
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Old October 25th, 2013, 08:04   #8
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Quote:
Originally Posted by John Nash View Post
I just bought and am getting ready to mount the 235/45/18 MXM4's
If you drive like you described I would go with the Defender 225/50/18 because of the mileage difference.Hind sight..I should have done the same. I used to work for Michelin in Nova Scotia so am a little partial to the brand.I also run them on my BMW GS & HD motorcycles.
Defender is a lot more expensive. Do you really feel it will get better gas mileage versus turanzas or mxm4?


Quote:
Originally Posted by StoneCrab View Post
I don't have them installed yet, should have them on in a few days. I'll write a post on initial findings after I get a few miles on them.
Thanks for the replies. I assume both of you had the same Turanzas as me? Very interested to hear both of your reviews once you have them installed.
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Old March 12th, 2017, 11:01   #9
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I know this thread is a few years old, but the info is helpful. So I'll add
I went to have Snow tires I purchased for $143 per tire mounted at a local shop. I got these Blizzak WS80 tires in that size for the year end price. Normally these tires go for $200+ for sizes in the 18in category. The Contis were 26.3in with 9.4 tread width. The Blizzaks were 26.9 with 7in tread width.

They call you into the shop like you're a female or something

Sir do you know these tires are different size ? They're likely to hit blah blah blah. I said no, they are only .6 taller and more narrow. Long story short they fit fine and are fine. Just because your vehicle calls for one size, doesn't mean a slightly different size is not going to work.
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Old March 12th, 2017, 11:04   #10
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Blizzak

Contis

Clearance at sidewall is same as Conti


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Old March 12th, 2017, 17:58   #11
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The speedometers are so off on these cars anyways. You can easily go up to 27" diameter and you will still be reading lower than actual speed.
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Old March 13th, 2017, 04:58   #12
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just toss my 2cents in

I used to love bridgestone serenity line of tires have a set on the Jetta, they have lasted quite a while and no real complaints but they are only 16" I can't imagine what they'd be in 18" flavor.

When it was time to source 18" for the passat we love our nokian nTyre 2.0 cheaper option than anything worth while tossing on and great lasting grand touring tire, quite and handles great for our needs. Will be sourcing them again when its times for new shoes for the Alltrack.
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Old March 14th, 2017, 09:00   #13
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The Blizzaks work great when it's over the hood

Guy at Monroe said "Why you putting snow tires in now" lol


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Old March 14th, 2017, 10:57   #14
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Heading out to shovel/snowblow now


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Old March 20th, 2017, 21:04   #15
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Woah, that is some major snow! We get the bitter cold here, but it seems you guys have us beat most years for snowfall.

Question for anyone, any opinion on quietness, conti pure vs. Michelin MXM4? Is one noticably better?
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