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'06 STS V8 RWD - Black Raven/Cashmere - no ACC
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316 Posts
Discussion Starter #1 (Edited)
Hi,


I read posts somewhere for some STS owners suffering from its tires... since I don't have one yet (waiting for 2006 :crying2: ), I went to my cadillac dealer, checked the tires... Michellin pilot MXM4 ... I checked internet for reviews on this tire.... and the result was .. DISASTER

Why didn't Cadillac put Pilot Primacy or Pilot Sport?... or at least stick to their old goodyear...

Some drivers experienced really bad situations in rain and snow...


I wonder if Cadillac changed the tires in 2006 models... Our dealer still didn't get 2006 models, I can't check :crying:


Ciao
 

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79 Devile, 94 STS, 03 EXT, 05 STS, 13 ATS, 16 ATS-V Coupe
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50 Posts
my fam. owns a tire shop i know those factory tires are about $160 wholesale.. my whole fam. hates michellin as do i but only cuz they suck in the bad weather. i happen to like them in the dry weather.. when the snow comes ill puton 4 snows and be fine.. its preferece though.. not sure if there changin them for 06 when mine are shot ill put on the perelli p zero nero's on there, the side wall is a drop stiff but its a great tire for handling..
 

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19 Posts
I had the Pirelli's, awesome in dry and wet.....horrible in snow. Just put winter Blizzaks on, if these don't work, I'm going for AWD something. Last winter my STS was terrible in snow. Holds road like glue in Summer. Hope Blizzaks work, I like the car overall.

Michelins are good tires, but they are an awful company to deal with and overpriced.
 

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2008 STS 1-SG, traded in 2005 STS4 1-SG
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85 Posts
I'm not so sure about the Michelin's either. They handle great wet or dry and I live in the South, so snow is not an issue. I'm not happy with tire wear. Around 13,000 miles I started noticing edge wear as if they were uninflated. I bumped the cold pressure to 32 psi front and left the rears at 30 psi. I think I started too late, as the edge wear continues, but once you start on that downward spiral, it's probably going to continue. The rear wear is great... they look as if they were new.
If I have to replace the fronts early, what if I bumped the size to match the rears? I could at least rotate front to back. I have a 1-SG AWD, so the fronts are driven wheels. there may be a gearing issue, or maybe the gearing IS the issue and the staggered sizing on AWD models is stressing the fronts. But, you would think the engineers would have taken that into account, just like on the Hindenberg, or the new college library that sunk into the ground because they forgot to factor in the weight of the books.
Possible solution for high tire prices... Go to non-Michelin tire dealers for a quote on the specific tire and size you want. They would have to order them, but are not ham-strung by not being able to price below a certain threshold. They know you are not going to buy any other tire, so they can at least make a nominal profit, plus mounting and balancing. On my previous STS's (97 & 02) I could find the tires at Costco, but I doubt they will have the lower volume performance tires. Bridgestone makes the same sized/rated tire as the Pilots for the 1-SG. I haven't checked the Pirellis, but aren't they standard equipment on the STS-V, although on 19" rims?
 

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2008 CTS
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1,192 Posts
The stock Michelin's are awful in wet weather, forget about snow. I'm considering not even bothering to rotate them to hasten their demise so I can replace them with something that has a little more grip on a wet road. Turning left or right from a stop in the rain is the worst, sideways every time. I don't get the whole rear wheel drive movement, I really miss front wheel drive. Next car will probably be a DTS unless they change that one too.
 

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42 Posts
i've read a lot of comments at Tire Rack regarding the stock Mich tires which are on my STS ... 18's ... they seem a bit harsh , but i only have 500 miles on them .... it's hard to believe, but for the staggered 18's, the Goodyear's reviews state having better ride comfort, noise level , etc.... than the Mich .... that seems quite strange to me ... but i'd hate to yank the OEM tires off and try another set and make things worse ..??!!!??
 

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45 Posts
WOW, was hoping the Mich tires were better than my Goodyears that wore out on my CTS after 28,000 miles - yes, with rotating and no harsh driving. I have the 18" Mich Pilot HXMXM4's (?) :confused:
 

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'18 Escalade Platinum
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933 Posts
These are the first set of Michelins that have really disappointed me completely. I haven't noticed any handling issues in adverse weather yet, although I only have ~2000 miles on them, but my complaint is road noise. The amount of road roar these tires constantly emit is unacceptable. I thought the Goodyears on my sister's CTS were awful, but these Michelins (Pilot HX MXM4s) are worse. By comparison the replacement tires she put on her CTS--Michelin Energy MXV4 Plus--are phenomenal and have made her CTS almost unrecognizable when compared to driving with the Goodyears, the ride, handling, and quiet are light years ahead of the Goodyears, and make my Pilots look cheap by comparison--even though they aren't. I think Cadillac dropped the ball on this one.
 
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