Tire Size Comparison
Compare old and new tire sizes to check speedometer error and clearance changes before buying different tires.
Result Labels Explained
- PASS ≤ 2% difference — within factory tolerance
- CHECK > 2% and ≤ 3% — verify with manufacturer
- WARNING > 3% and ≤ 5% — review carefully, may affect speedometer and ABS
- HIGH RISK > 5% — significant speedometer error, possible ABS/TPMS issues
Tire size changes can affect speedometer accuracy, ABS sensors, TPMS, wheel speed sensors, and transmission shifting. Always verify with your vehicle owner's manual before purchasing.