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Cadillac ATS Picture and Appearance Forum Discussion, Cadillac ATS 19" Wheel Option! in Cadillac ATS Discussion Forums; I read that these wheels are not compatible with AWD ATS. I'd assume that is because of the staggered width ...
  1. #31
    rodster111's Avatar
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    Re: Cadillac ATS 19" Wheel Option!

    I read that these wheels are not compatible with AWD ATS. I'd assume that is because of the staggered width and offsets. Do you suppose if you bought all 4 wheels of the same type (ie:, all 4 wheels in 19" x 8 or all 4 wheels in 19" x 9" it would be OK to use them in that config on an AWD ATS? I haven't been able to find the data to compare them completely to the 18" wheel that is compatible with AWD.


  2. #32
    Jakb is offline Cadillac Owners Fanatic
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    Re: Cadillac ATS 19" Wheel Option!

    Quote Originally Posted by rodster111 View Post
    I read that these wheels are not compatible with AWD ATS. I'd assume that is because of the staggered width and offsets. Do you suppose if you bought all 4 wheels of the same type (ie:, all 4 wheels in 19" x 8 or all 4 wheels in 19" x 9" it would be OK to use them in that config on an AWD ATS? I haven't been able to find the data to compare them completely to the 18" wheel that is compatible with AWD.
    You can run these wheels with no issues on your AWD offset is fine , what you need to make sure is to keep the your front to back diameters as close as possible (225F 255R) to keep ride quality on 19s the best thing you can do is get rid of the run flats first second is to upsize your tires 235F 265R

    That being said a staggered setup is for show only and you'll have better handling keeping all rim same size , the best thing you could do is to get 4 19x8s and put some 235/35/19s all around

    and by the way they're now at $395 each with free shipping at http://gmpartscenter.net

  3. #33
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    Thanks for the info Jakb. I expected what you said to be likely but just haven't had any luck getting a good answer. I'd want to keep all 4 corners the same anyway. Have you tried this setup on an AWD ATS, or know of someone who has?

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    Re: Cadillac ATS 19" Wheel Option!

    I'm new to the ATS world as I just got my car (RWD,Turbo) this week , however I have had and still have various AWD vehicles From BMW, Subaru and AUdi and have ran everything from square (4 equal corners) 16s in winter on the Audi to staggered 19s with aggressive offset on my 2 335xi

    My Plan for the ATS is 215/50/17 Michelin X-Ice on the OEM rims in winter and 245/40/18 Non Runflats on 18x8.5 or 18X9 rims for summer

  5. #35
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    Re: Cadillac ATS 19" Wheel Option!

    Where are they 4k? They are no more than $400 a wheel everywhere I've found them....so more like $2400 for a factory warrantied wheel sounds pretty good. Assuming there a cast forged, that's pretty average. And like that you can get staggered, and 19....20 is too big, 18 too small in my opinion...rear offset is pretty decent as well.

  6. #36
    Caddyshack86 is offline Cadillac Owners Member
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    Re: Cadillac ATS 19" Wheel Option!

    I'm currently working on a deal for a 14 ATS AWD Performance in Tri-black Diamond with red morello interior and would love to put a set of the 19's in black gloss on it.

    Does anybody have any info as to why gm is stating that they aren't compatible with the AWD? Any insight to this would be greatly appreciated. My dealer is currently looking into it but I'd figure I'd post the question here.

    Thanks all.

    Edit: a letter

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    Re: Cadillac ATS 19" Wheel Option!

    Cadillac is being probably being overly cautious and are not recommending them because they are staggered (I don't blame them when you read some of the .... complaints I see on this forum )

    Running staggered is not a problem as long as you keep the overall diameter as close as possible and they should be able to order them anyway if you really want them or at worst order 4 fronts
    or if they really don't want to just order them online

  8. #38
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    Re: Cadillac ATS 19" Wheel Option!

    Looks like the wheels have been discontinued already I was trying to decided between black and silver for my Phantom Grey.

  9. #39
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    Quote Originally Posted by Caddyshack86
    I'm currently working on a deal for a 14 ATS AWD Performance in Tri-black Diamond with red morello interior and would love to put a set of the 19's in black gloss on it. Does anybody have any info as to why gm is stating that they aren't compatible with the AWD? Any insight to this would be greatly appreciated. My dealer is currently looking into it but I'd figure I'd post the question here. Thanks all. Edit: a letter
    Because they are designed as a staggered set-up, which in time would put stress on differential and transfer case. As mentioned, 4 fronts would work, but almost all AWD cars must have 4 equal corners.

    Got mine from Luke, was good price, just don't forget if you get black u will need center caps, (aren't cheap through dealer) and tires recommended are a 225/35-19 & 255/30-19. There aren't a lot of offerings in rear size. I went Michelin PSS, whole set-up bout $3500 when mounted balanced, sensors, and center caps. Dealer will hit you for much more, but Luke at Lindsay makes it happen for a solid price

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    Re: Cadillac ATS 19" Wheel Option!

    Quote Originally Posted by Jerzeyboy730 View Post
    but almost all AWD cars must have 4 equal corners.
    no they don't
    they need front to back overall height and circumference to be the same but you can run wider rears

  11. #41
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    Re: Cadillac ATS 19" Wheel Option!

    Sorry for the old thread bump, but has anyone ordered replacement tires from tirerack for the OEM 19s?
    I am trying to replace the Potenza runflats with the same size Continentals and tirerack has called and are suggesting a different size.

    RFs currently on vehicle:
    225/35ZR-19
    255/30ZR-19

    Tirerack is suggesting I purchase:
    235/35
    275/30

    Any idea why? The tire finder on cadillac.com suggests 225/35-19 and 255/30-19

  12. #42
    DavidATS is offline Cadillac Owners Enthusiast
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    Re: Cadillac ATS 19" Wheel Option!

    I have purchased wheels and a lot of tires from Tire Rack and think they do a good job but if you are going off of the Configurator and not talking to a person I think Cadillac recommendation is better. What Tire Rack is recommending is a wider and will have a taller sidewall, what Cadillac is recommending is the same widths that come on the Premium RWD as standard. I would call Tire Rack and ask them why they recommend different.
    reviewanats likes this.

  13. #43
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    Re: Cadillac ATS 19" Wheel Option!

    Their reasoning was with the Continentals at the OEM sizing I'd be pushing the max load and would be required to keep the tires inflated at 51PSI...

  14. #44
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    Re: Cadillac ATS 19" Wheel Option!

    Quote Originally Posted by reviewanats View Post
    Their reasoning was with the Continentals at the OEM sizing I'd be pushing the max load and would be required to keep the tires inflated at 51PSI...
    All of this is how I see it but interested to hear if I am off -

    From looking up the two tires Cadillac recommends and their specs it shows - http://www.tirerack.com/tires/tires....omCompare1=yes

    Fronts have a load rating of 1235 x 2, rears of 1356 x 2 for a total of 5182.

    Then from their explanation of Load Rating - http://www.tirerack.com/tires/tirete...jsp?techid=195

    A tire's maximum load is the most weight the tire is designed to carry. Since a tire's load carrying capacity is related to the tire's size and how much inflation pressure is actually used, maximum loads are rated with the tire inflated to an industry assigned inflation pressure.
    With these being XL's the pressure looks to me to be 42 psi, not 51 which is the maximum pressure. I would be interested in finding out why the person says it should be at 51 psi. Then from their document as you lower the pressure you lose overall Load ratings.

    The 5182 is well above the GVWR (Gross Vehicle Weight Rating) of the car so if you put this on the tires (Car plus load) with them at the 42 psi you will be well above what Cadillac recommends.

    Then take the 5182 and remove the car and you have what you can put in the car. I guess the car weighs about 3600 lbs. For how I use the car, me plus my wife and stuff almost never weighs above 500 lbs. and even if it went to 1000 lbs. I would be at around 4600 lbs. It somewhat depends on how you plan to use the car (what you will put in it) and what pressure you will have in the car. For me the car plus stuff would never go above 4200 lbs. so I would buy the tires I wanted and be within the load rating Bridgestone recommends.

  15. #45
    Inferno2ss is offline Cadillac Owners Member
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    Re: Cadillac ATS 19" Wheel Option!

    Quote Originally Posted by mikesul View Post
    The 18" will always handle better. The 19" are more for show.
    I have been running 19s on my coupe for over a year now and the ride quality is just fine. I did go a bit wider (8 /12 and 9 1/2) so that may help.

    The only time I really notice a difference in handling is when I hit small pot holes.

    ----------

    Quote Originally Posted by Jerzeyboy730 View Post
    Because they are designed as a staggered set-up, which in time would put stress on differential and transfer case. As mentioned, 4 fronts would work, but almost all AWD cars must have 4 equal corners.
    If that is true why does the ATS Coupe AWD come with a staggered set-up?

    front: 225/40R18 x 8
    rear: 255/35R18 x 9

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