Buick Terraza Wheel Lug Pattern, Offset, Center Bore & Rim Size Reference
The Buick Terraza uses a specific wheel lug pattern defined by the number of lugs and pitch circle diameter (PCD). This lug pattern ensures the wheels mount securely and match the vehicle's hub specifications for safe driving.\n\nWheel offset, measured as ET, and center bore size are critical to achieving proper fitment on the Buick Terraza. Offset affects the wheel's position relative to the wheel wells and suspension components, while center bore diameter ensures the wheel centers perfectly on the hub.\n\nRim sizes compatible with the Buick Terraza vary slightly by model year, with most configurations supporting common diameters suitable for this minivan class. Refer to the year-sorted wheel lug pattern catalog to confirm exact fitment data.\n\nProper knowledge of the Buick Terraza's lug pattern, offset, and center bore is essential for selecting replacement wheels or aftermarket rims that maintain vehicle safety and performance.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Buick Terraza 3.5 V6 | 2007 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.9 V6 | 2007 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.5 V6 | 2006 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.9 V6 | 2006 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.5 V6 | 2005 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.9 V6 | 2005 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.5 V6 | 2004 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
| Buick Terraza 3.9 V6 | 2004 | 225/60R17 | 8 | 17 | 6×115 | 50 | 70.1 | 1/2 |
FAQ
- What is the typical lug pattern for Buick Terraza wheels?
- The Buick Terraza commonly uses a 5-lug pattern with a specific PCD that varies by year, typically around 5x115 mm.
- Why is wheel offset ET important for Buick Terraza fitment?
- Wheel offset ET determines how far the wheel sits inward or outward; correct offset ensures proper clearance from brakes and suspension while maintaining vehicle stability.
- How do I find the center bore size for Buick Terraza wheels?
- Center bore size is standardized for each model year and helps align the wheel hub to the vehicle; check the lug pattern catalog for exact dimensions per year.
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 |
