Scion xA Wheel Lug Pattern, Offset & Center Bore Reference
The Scion xA features a standardized wheel lug pattern essential for selecting compatible aftermarket or replacement wheels. Its lug pattern is defined by the number of lugs and Pitch Circle Diameter (PCD) measured in millimeters. Correct understanding of this specification ensures proper wheel mounting and safety.\n\nFor the Scion xA, the bolt pattern is typically 5×100mm, meaning 5 lug nuts arranged on a 100mm diameter circle. Alongside the lug pattern, the wheel offset (ET) plays a crucial role in fitment, affecting vehicle handling and clearance. The xA uses offset values commonly ranging from ET40 to ET45.\n\nThe center bore diameter is another critical factor providing a precise fit of the wheel hub to the vehicle hub. The Scion xA generally has a center bore of 54.1mm. Rim sizes for this model vary, but usually fall within 15 to 16 inches, balancing aesthetics with ride comfort.\n\nRefer to the year-sorted reference table on our site for detailed specifications per model year, ensuring accurate fitment and compatibility when upgrading or replacing your Scion xA wheels.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Scion xA 1.5i | 2006 | 185/60R15 | 6 | 15 | 4×100 | 45 | 54.1 | M12*1,5 |
| Scion xA 1.5i | 2005 | 185/60R15 | 6 | 15 | 4×100 | 45 | 54.1 | M12*1,5 |
| Scion xA 1.5i | 2004 | 185/60R15 | 6 | 15 | 4×100 | 45 | 54.1 | M12*1,5 |
FAQ
- What is the Scion xA lug pattern?
- The Scion xA lug pattern is 5×100mm, meaning 5 lug nuts spaced on a 100mm pitch circle diameter.
- What wheel offset is recommended for the Scion xA?
- Recommended wheel offsets for the Scion xA typically range from ET40 to ET45.
- What is the center bore size of the Scion xA wheels?
- The center bore size for Scion xA wheels is generally 54.1mm.
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 |
