Cadillac CTS I Wheel Lug Pattern and Fitment Guide
The Cadillac CTS I features specific wheel lug patterns that vary slightly with production years. Its typical lug pattern is 5 × 120 mm PCD, designed to ensure proper fitment and safety when selecting wheels and rims. Knowing the exact lug count and pitch circle diameter (PCD) helps in finding compatible aftermarket or OEM wheels.\n\nOffset (ET) and center bore dimensions are equally important for Cadillac CTS I wheel fitment. The offset commonly ranges between ET35 and ET40, balancing aesthetics and avoiding clearance issues with brakes or suspension components. The center bore is usually 70.3 mm, allowing for a secure and centered wheel mount.\n\nRim sizes for the Cadillac CTS I generally span from 16 to 18 inches in diameter, with widths suitable for both stock tires and performance-oriented fits. Consulting the year-specific Cadillac wheel lug pattern catalog ensures accurate data for safe wheel replacements or upgrades.\n\nRefer to detailed tables sorted by year on our site to verify precise lug pattern measurements, offset ET values, center bore sizes, and compatible rim dimensions for the Cadillac CTS I.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Cadillac CTS I 2.6 | 2007 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.8 | 2007 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.2 | 2007 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.6 | 2007 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 5.7 V8 | 2007 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.6 | 2006 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.8 | 2006 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.2 | 2006 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.6 | 2006 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 5.7 V8 | 2006 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.6 | 2005 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.8 | 2005 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.2 | 2005 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.6 | 2005 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 5.7 V8 | 2005 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.6 | 2004 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.2 | 2004 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.6 | 2003 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.2 | 2003 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 2.6 | 2002 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
| Cadillac CTS I 3.2 | 2002 | 225/55R16 | 7 | 16 | 5×115 | 40 | 70.3 | M12*1,5 |
FAQ
- What is the standard lug pattern for the Cadillac CTS I?
- The standard lug pattern for the Cadillac CTS I is 5 × 120 mm PCD.
- What offset (ET) values are typically found on Cadillac CTS I wheels?
- Typical offset values for Cadillac CTS I wheels range from ET35 to ET40.
- What is the center bore size for Cadillac CTS I wheels?
- The center bore size for Cadillac CTS I wheels is generally 70.3 mm.
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 |