BMW i8 Tire Size Guide by Model Year and Trim | Rim Width & Diameter
The BMW i8 features a variety of tire sizes and rim widths that vary across different model years and trims. Typically, front and rear tire specifications differ to accommodate performance and handling characteristics.\n\nFor the BMW i8, standard rim diameters range from 20 to 21 inches, with widths typically between 8.5 and 9.5 inches. Tire size markings for front tires commonly start from 215/45R20, while rear tires may be larger, such as 245/40R20 or 245/35R21 depending on the trim.\n\nUnderstanding these variations is essential when comparing trims or replacing tires. Always verify tire markings against your specific model year and trim, as rim width directly affects tire fitment and vehicle dynamics. Matching the correct size ensures optimal performance, safety, and tire wear.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| BMW i8 i8 Roadster | 2020 | 215/45R20 | 7.5" × 20" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for BMW i8.
FAQ
- What are the standard tire sizes for the BMW i8?
- Standard tire sizes for the BMW i8 generally range from 215/45R20 on the front to 245/40R20 or 245/35R21 on the rear, depending on trim and model year.
- How do rim widths vary on the BMW i8 across trims?
- Rim widths typically vary between 8.5 to 9.5 inches on the BMW i8, with wider rear rims for enhanced traction on sportier trims.
- Why is it important to match tire sizes by model year and trim?
- Matching tire sizes ensures proper fitment, maintains vehicle handling characteristics, and supports safety as different trims may have unique specifications.
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Compare two tire sizes — diameter, speedometer error, and clearance change.