Cadillac CTS II Wheel Lug Pattern, Offset, Center Bore & Rim Size Reference
The Cadillac CTS II features specific wheel mounting specifications critical for selecting compatible wheels. This includes the lug pattern, defined as lug count × PCD (pitch circle diameter in millimeters), as well as offset (ET) and center bore dimensions essential for proper wheel fitment and performance.\n\nOur year-sorted reference table provides precise Cadillac CTS II lug patterns to ensure accurate matching of aftermarket or replacement wheels. Typical rim sizes available for the CTS II are also included to guide users in choosing wheels that maintain factory specifications and vehicle safety.\n\nUnderstanding the correct offset ET and center bore helps maintain correct wheel alignment, handling, and clearance for brake components. Always refer to this Cadillac CTS II wheel lug pattern catalog when upgrading or replacing wheels to guarantee compatibility and optimum driving dynamics.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Cadillac CTS II 2.8 | 2019 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2019 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2019 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2019 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2019 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2018 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2018 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2018 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2018 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2018 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2017 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2017 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2017 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2017 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2017 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2016 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2016 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2016 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2016 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2016 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2015 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2015 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2015 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2015 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2015 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2014 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2014 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2014 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2014 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2014 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2013 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2013 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2013 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2013 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2013 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2012 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2012 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2012 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2012 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2012 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2011 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2011 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2011 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2011 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2011 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2010 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2010 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 AWD | 2010 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2010 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2010 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2010 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2009 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2009 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 AWD | 2009 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2009 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2009 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2009 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 2.8 | 2008 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 | 2008 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.0 AWD | 2008 | 235/50R18 | 8.5 | 18 | 5×120 | 48 | 72.6 | M14*1,5 |
| Cadillac CTS II 3.6 | 2008 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 AWD | 2008 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
| Cadillac CTS II 3.6 VVTi | 2008 | 225/45R18 | 7.5 | 18 | 5×120 | 40 | 72.6 | M14*1.5 |
FAQ
- What is the typical lug pattern for the Cadillac CTS II?
- The Cadillac CTS II generally uses a lug pattern of 5 × 120 mm pitch circle diameter, but exact details vary by production year.
- Why is offset (ET) important for Cadillac CTS II wheels?
- Offset (ET) affects how the wheel sits relative to the suspension and body. The correct ET ensures proper clearance and handling stability.
- Can I use wheels with a different center bore on my CTS II?
- Using wheels with a different center bore can cause fitment issues and vibrations. Hub-centric rings can sometimes adapt wheels but matching the OEM center bore is recommended.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
