Pontiac Bonneville VIII Tire Sizes and Rim Specifications by Year & Trim
The Pontiac Bonneville VIII features various tire size options depending on model year and trim level. Common tire widths and aspect ratios vary, with standard sizes ranging from 215/65R15 to 245/50R16, suited for comfort and handling balance.\n\nRim widths and diameters for Bonneville VIII trims are typically between 6.5×15 inches to 7.5×16 inches. Knowing these specifications helps ensure correct tire replacements and optimizes driving performance.\n\nWhen comparing trims such as base, SE, and SSEi, tire and rim sizes may differ slightly to accommodate performance upgrades or aesthetic preferences. Confirming trim-specific sizes avoids compatibility issues and ensures safety.\n\nAlways cross-reference your vehicle's manufacturing year and trim level to select the appropriate tire dimensions and rim widths for ideal fitting and road safety.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Pontiac Bonneville VIII 3.8i | 2005 | 225/60R16 | 7.5" × 16" |
| Pontiac Bonneville VIII 3.8i | 2004 | 225/60R16 | 7.5" × 16" |
| Pontiac Bonneville VIII 3.8i | 2003 | 225/60R16 | 7.5" × 16" |
| Pontiac Bonneville VIII 3.8i | 2002 | 225/60R16 | 7.5" × 16" |
| Pontiac Bonneville VIII 3.8i | 2001 | 225/60R16 | 7.5" × 16" |
| Pontiac Bonneville VIII 3.8i | 2000 | 225/60R16 | 7.5" × 16" |
| Pontiac Bonneville VIII 3.8i | 1999 | 225/60R16 | 7.5" × 16" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Pontiac Bonneville VIII.
FAQ
- What tire sizes are common for Pontiac Bonneville VIII?
- Tire sizes commonly range from 215/65R15 to 245/50R16 depending on the model year and trim.
- How do rim sizes vary across Bonneville VIII trims?
- Rim widths vary from 6.5×15 inches to 7.5×16 inches, with sportier trims typically using wider and larger diameter rims.
- Why is it important to match tire sizes by trim?
- Matching tire sizes specific to each trim ensures proper fitment, maintains handling characteristics, and preserves vehicle safety.
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 |