Kia Optima IV Wheel Lug Pattern, Offset ET & Center Bore Reference

The Kia Optima IV features precise wheel lug patterns essential for proper wheel fitment and vehicle performance. The lug pattern is defined by the number of lugs and the pitch circle diameter (PCD), commonly expressed in millimeters. Understanding the exact lug pattern ensures compatibility with aftermarket and replacement wheels.\n\nIn addition to the lug pattern, the offset (ET) and center bore are critical for wheel alignment and clearance. The offset specifies how the mounting surface aligns relative to the wheel’s centerline, while the center bore must match the hub size for secure fitment without vibrations.\n\nWheel rim sizes for the Kia Optima IV vary by model year and trim, impacting tire compatibility and handling characteristics. This reference provides a year-sorted overview to help select correctly sized wheels that maintain optimal performance and safety for your vehicle.\n\nConsulting this catalog ensures accurate Kia Optima IV wheel lug patterns, offset ET, center bore, and rim sizes, enabling confident choices for wheel replacements or upgrades tailored to your model year's specifications.