: Will 2011 18" Performance Handling Package wheel/tires fit standard STS?

02-01-12, 07:49 PM
Love the performance handling package wheels from the 2011, but models so equipped for sale are HARD TO FIND. Will these wheels fit a standard STS?

02-01-12, 07:51 PM
they are 6 lugs for the STS-V brembo caliper rotor set up

02-01-12, 08:50 PM
Yes the 18" performance pkg wheels will fit the 17" STS wheels If they are not 6 lug.

02-01-12, 09:32 PM
The 18" wheels shown here are 5 lug.
However the Performance Handling Package wheels are 6 lug to accomodate the Brembo brakes as previously stated.
http://www.cadillac.com/2011-sts-touring-sedan/features-specs/standard-optional-equipment.html Click on the Chrome 18" wheels to see detail.
Too bad! They're nice looking wheels!!

02-24-12, 02:12 AM
yAs long as you don't have the summer performance package (18" or 19" wheels with the 6 lug bolts) they will interchange with CTS wheels (apparently 2007 and earlier) Note the lugs on the CTS are Bigger than STS lugs. Don't know why. I had to but a new wheel lock kit for my wife's CTS because none of my old lug nuts fit her car!!!

02-24-12, 06:39 AM
Post 08 CTS wheels will not fit.

02-24-12, 11:42 PM
Do you mean 2008 and later? - must be those oversize lug bolts.

02-25-12, 06:41 AM
2008+ CTS uses a 5x120 bolt pattern. 2003-2007 like the STS without brembos uses 5x115.

02-25-12, 04:05 PM
Remember that there are (were) TWO performance tire & wheel packages for STSs.

The more common package was the all season tire performance package which came with 5 lug hole wheels and all season (W rated) tires), no brembo brakes but larger pads & thicker rotors than the standard issue. These are the most common and the wheels will fit other STSs & 2007 & earlier CTSs.

The other is the summer tire package aka the "Performance & Handling Package" that 1BadSTS has on his car. Those are the 18" wheels with 6 log holes for the brembo brakes and they came with summer only tires (good year round here in FL!). These are far less common, and only fir the cars with those 6 lug rotors.

02-25-12, 06:08 PM
above statement is correct!

The performance handling package was the brembos with the 6 lugs

there was an 18 sport package which gave the 18" wheels (standard on 1SE and 1SF)

02-27-12, 06:56 PM
Hey 1badsts, I notice that your cas is also an AWD. You could get the summer tire performance & handling package (6 lug wheels & bembros) on an AWD? That's interesting.

02-27-12, 07:15 PM
Yes and no

Mine did not come factory equipped with it, the swap would involve ordering four new SRX spindles (same as STS-V but they have front axle holes to allow fore the AWD system), brembo calipers/rotors and STS-V wheels


I had custom front STS rotors machined using STSV rotor and STS hat and used front brembo calipers (rears werent really worth the cost)

the Brembos actually clear the stock 18" 2 piece simulated wheels without issue.

Heres another one which I am thinking of upgrading to