Cadillac STS I Tire Sizes and Rim Dimensions by Model Year and Trim
The Cadillac STS I features various tire size markings and rim dimensions depending on the model year and trim level. Typically, rim widths range from 7 to 8 inches with diameters of 17 to 18 inches, accommodating different performance and comfort needs.\n\nModel years of the STS I show changes in standard tire sizes, with base trims generally equipped with narrower tires for ride comfort, while higher trims use wider options for enhanced handling. Identifying the exact tire size markings on your STS I helps ensure correct replacements and optimal performance.\n\nComparing trims involves checking tire aspect ratios and rim widths to match your driving preferences and load requirements. Always verify tire specifications stamped on the tire sidewall along with rim dimensions to maintain safety and manufacturer recommendations.\n\nRegularly consulting detailed tire and rim references by model year and trim aids in selecting compatible tires, improving vehicle handling, and preserving ride quality on your Cadillac STS I.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Cadillac STS I 3.6 | 2007 | 235/50R17 | 7.5" × 17" |
| Cadillac STS I 4.4 Kompressor | 2007 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.4 Kompressor AWD | 2007 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.6 | 2007 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 3.6 | 2006 | 235/50R17 | 7.5" × 17" |
| Cadillac STS I 4.4 Kompressor | 2006 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.4 Kompressor AWD | 2006 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.6 | 2006 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 3.6 | 2005 | 235/50R17 | 7.5" × 17" |
| Cadillac STS I 4.4 Kompressor | 2005 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.4 Kompressor AWD | 2005 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.6 | 2005 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.6 AWD | 2005 | 235/45R18 | 7.5" × 18" |
| Cadillac STS I 4.6 AWD | 2004 | 235/45R18 | 7.5" × 18" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Cadillac STS I.
FAQ
- What tire sizes are common on Cadillac STS I models?
- Common tire sizes for the Cadillac STS I range from 225/55R17 to 235/50R18 depending on model year and trim.
- How do rim widths vary across STS I trims?
- Rim widths typically vary between 7 and 8 inches, with higher trims often featuring wider rims for better handling.
- How can I compare tire sizes between STS I trims?
- Compare tire markings and rim diameters listed on the vehicle placard or owner's manual to ensure the right fit and performance.
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 |