215/55R16 vs 215/55R17 Side-by-side tire size comparison with specs and compatibility
Compatibility
+3.95% diameter difference
⚠ Swap with Caution
This tire swap is between 3-5% diameter difference. Check for fender clearance and be aware of speedometer error. May require recalibration.
Full Specifications Comparison
| Specification | 215/55R16 | 215/55R17 | Difference |
|---|---|---|---|
| Overall Diameter | 642.9 mm (25.3") | 668.3 mm (26.3") | +25.4 mm |
| Section Width | 215 mm (8.5") | 215 mm (8.5") | 0 mm |
| Sidewall Height | 118.3 mm | 118.3 mm | 0 mm |
| Circumference | 2019.7 mm | 2099.5 mm | +79.8 mm |
| Revolutions/Mile | 797 | 767 | -30 |
| Aspect Ratio | 55% | 55% | 0% |
| Rim Diameter | 16" | 17" | +1" |
Key Impact Summary
Ground Clearance
+12.7 mm
Speedometer Error
+3.95%
Width Change
0 mm
Sidewall Change
0 mm
Speedometer Correction Table
When switching from 215/55R16 to 215/55R17, your speedometer will under-read. Here is the correction at common speeds:
| Speedometer Shows | Actual Speed (mph) | Difference |
|---|---|---|
| 30 mph | 31.2 mph | +1.2 mph |
| 40 mph | 41.6 mph | +1.6 mph |
| 50 mph | 52 mph | +2 mph |
| 60 mph | 62.4 mph | +2.4 mph |
| 70 mph | 72.8 mph | +2.8 mph |
| 80 mph | 83.2 mph | +3.2 mph |
| 90 mph | 93.6 mph | +3.6 mph |
| 100 mph | 104 mph | +4 mph |
| 110 mph | 114.3 mph | +4.3 mph |
| 120 mph | 124.7 mph | +4.7 mph |
What This Swap Means
Ground clearance: Increases by 12.7mm, providing slightly better approach angles for off-road driving and speed bump clearance.
Vehicles Using 215/55R16
Vehicles Using 215/55R17
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Individual Tire Specs
Frequently Asked Questions
This swap requires caution. The diameter difference is +3.95% (+25.4mm). This exceeds the recommended 3% threshold and may affect speedometer accuracy, ABS calibration, and could cause clearance issues.
Switching from 215/55R16 to 215/55R17 creates a +3.95% speedometer error. Your actual speed will be faster than displayed — at an indicated 60 mph, you'll actually be going 62.4 mph.
Switching from 215/55R16 to 215/55R17 changes ground clearance by +12.7mm. The vehicle will sit 12.7mm higher. Ground clearance change equals half the overall diameter difference.