Max rim size and specs
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2008-2013 Cadillac CTS Performance Mods Discussion, Max rim size and specs in Cadillac CTS Second Generation Forum - 2008-2013; Hi guys I really need the max rim size and specs of bolt patterns and all those other numbers. Want ...
  1. #1
    ITALYNSTALYN is offline Cadillac Owners Member
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    Max rim size and specs

    Hi guys I really need the max rim size and specs of bolt patterns and all those other numbers. Want to install the sickest rims. Anyone please know???

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  3. #2
    Low_ET's Avatar
    Low_ET is offline Cadillac Owners Fanatic
    Automobile(s): '09 CTS-V, Thunder Gray, Auto
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    Re: Max rim size and specs

    The CTS and CTS-V use a 5x120 mm bolt pattern.

    I have a CTS-V sedan. I know CTS owners sometimes use CTS-V wheels which have the following specs:
    Bolt Pattern............5x120 mm
    Hub Size..................67.1 mm

    Front Wheel Width......9.0 inch
    Front Wheel diameter...19 inch
    Front Wheel Offset.......51 mm

    Rear wheel Width........9.5 inch
    Rear wheel Diameter...19 inch
    Rear Wheel Offset........56 mm

    The CTS-V Coupe has wider rear wheels (10.0 inch) with a 40 mm offset.

    Also, many CTS-V owners use an 18-inch wheel for the track (18-inch tires are cheaper and more available than our stock 19-inch size). The 18-inch track wheels I use are 18x9.5 (9.5 inches wide) with a 40 mm offset. I don't know for sure if those would work on a CTS but I would assume so since the CTS can use the stock CTS-V wheels.

    Although I use track wheels with a 40 mm offset - Best fit 18"x9.5" wheel on my car is with a 45 mm offset. That size is available from several manufacturers.

    I hope this is helpful.

  4. #3
    bolt007's Avatar
    bolt007 is offline Cadillac Owners Fanatic
    Automobile(s): 2008 CTS DI Super charged
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    I have 20x9 front rear are 20x10.5 sick I have pics on the forum look them up!
    Ratchet likes this.

  5. #4
    DaveL is offline Cadillac Owners Member
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    Re: Max rim size and specs

    We have a '10 CTS wagon with 3.6/all wheel drive. It's new-to-us. Love it!
    Can we stagger the rims and tires?
    I see reference to using Cadillac rims on BMW cars. Interesting. Stored away for a while in the basement, we have aftermarket rims that were on our BMW M3/SMG/Dinan cabriolet. They would look cool on the Wagon!
    Need the specs...wish I had a reference site that would tell me what size fits on what car....
    DaveL
    Toronto

  6. #5
    tinman's Avatar
    tinman is offline Cadillac Owners Master
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    Re: Max rim size and specs

    I don't believe you would want staggered rims/tires on AWD.

  7. #6
    Jagillac's Avatar
    Jagillac is offline Cadillac Owners Fanatic
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    From my understanding you can stagger rims on all wheel drive cars as long as you keep the over all diameter of the wheel and tire the same. Also need to make sure the rotations per mile or kilometre are the same as stock :-)

    DaveL,

    If you would like, I live near Hamilton and come out to Toronto a lot. I could set you up with my tire and rim guys. They are hands down amazing and work wonders.

  8. #7
    RP37 is offline Cadillac Owners Member
    Automobile(s): 2012 CTS performance
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    Re: Max rim size and specs

    Check out Tirerack.com, any wheel or tire they recommend will be the correct size and offset for your car. There are lots of options in both 19" and 20" they also list offsets. I suggest you call your Caddy dealer to get the OE offsets, which will most likely be different for 17' and 18". Keep in mind as you go up in size you will add some weight, try to stay with the lightest wheel you can, assumiong you like the style. Also you need to keep as close as possible to the OE outside tire diameter. The OE dia for the 235/50/18 is 27.25". Going up to 3% of that dia is acceptable. my choice for a 19" would be 235/45 with a dia of 27.32", pretty close , The recommend 20" is 245/40 with a dia of 27.72" about 2% bigger, but not my preference...getting into truck tire size. I'd rather do 245/35/20 dia of 26.75" about 2% smaller

    Good luck

  9. #8
    CTSILLAC is offline Cadillac Owners Member
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    Re: Max rim size and specs

    Not to high jack the thread but I'm looking at new wheels (again) and have some questions myself. I'm currently running 20x8.5 rims with 245 35r20 tires. The new wheels im looking at are 20x9 +40 or 20x8 +35, which ones should I go with? I'll be using the same 245 35r20 tires untill they are toast. I'd prefer the 20x9 but idk how that will jive with the tires I have or car. What tires should I run with a 20x9 rim?

    http://item.mobileweb.ebay.com/viewi...id=80991609106

  10. #9
    Mistercoffee2's Avatar
    Mistercoffee2 is offline Cadillac Owners Enthusiast
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    Re: Max rim size and specs

    Quote Originally Posted by CTSILLAC View Post
    Not to high jack the thread but I'm looking at new wheels (again) and have some questions myself. I'm currently running 20x8.5 rims with 245 35r20 tires. The new wheels im looking at are 20x9 +40 or 20x8 +35, which ones should I go with? I'll be using the same 245 35r20 tires untill they are toast. I'd prefer the 20x9 but idk how that will jive with the tires I have or car. What tires should I run with a 20x9 rim?

    http://item.mobileweb.ebay.com/viewi...id=80991609106

    Those are some nice wheels.

  11. #10
    caddyowner1972 is offline Cadillac Owners Member
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    What would be the best size tire for 20" rims for cts?

  12. #11
    tdaddycaddy is offline Cadillac Owners Member
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    Would 265/30 10inch width rear
    245/30 9 inch width front work on my 2008 cts sedan

  13. #12
    AAIIIC's Avatar
    AAIIIC is offline Super Moderator
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    Re: Max rim size and specs

    Quote Originally Posted by tdaddycaddy View Post
    Would 265/30 10inch width rear
    245/30 9 inch width front work on my 2008 cts sedan
    Without knowing the wheel diameter or the wheel offset it's impossible to answer your question. And check the Appearance Mods forum for the thread that is devoted to nothing but pictures of various wheels on CTSs, with the wheel specs and tire sizes usually included as well. That thread should give you plenty of fitment information.
    '05 Stealth Grey CTS-V, 19x8.5/10" CCW T140s with Toyo Proxes T1 Sports (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  14. #13
    Wodie is offline Cadillac Owners Member
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    Re: Max rim size and specs

    I'm running 22" rims on my 08 CTS. Can get the tire specs tomorrow if you'd like.

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