215/55R16 vs 215/55R17Tire Size Comparison

Use Caution

The 4.0% diameter difference exceeds 3% and may affect speedometer accuracy.

215/55R16643mm dia215/55R17668mm dia+12.7mm

Comparison Details

Overall Diameter642.9 vs 668.3 mm (+25.4 mm)
Diameter Difference+3.95%
Section Width215 vs 215 mm (0 mm)
Sidewall Height118.3 vs 118.3 mm (0.0 mm)
Circumference2019.7 vs 2099.5 mm
Clearance Change+12.7 mm
Speedometer Error+3.95%
Revs/Mile797 vs 767

Speedometer Correction

When switching from 215/55R16 to 215/55R17, your speedometer will differ from actual speed.

SpeedometerActual SpeedDifference
30 km/h31.2 km/h+1.2 km/h
40 km/h41.6 km/h+1.6 km/h
50 km/h52.0 km/h+2.0 km/h
60 km/h62.4 km/h+2.4 km/h
70 km/h72.8 km/h+2.8 km/h
80 km/h83.2 km/h+3.2 km/h
90 km/h93.6 km/h+3.6 km/h
100 km/h104.0 km/h+4.0 km/h
110 km/h114.3 km/h+4.3 km/h
120 km/h124.7 km/h+4.7 km/h
130 km/h135.1 km/h+5.1 km/h

Vehicles Using These Sizes

Vehicles with 215/55R16

Vehicles with 215/55R17

Individual Tire Size Details

Practical Guidance

The 4.0% diameter difference between 215/55R16 and 215/55R17 exceeds the standard 3% tolerance. While physically possible, this change will cause noticeable speedometer error and may affect ABS and traction control calibration. Consult a tire professional before making this switch.

The 3% diameter tolerance is a widely accepted industry guideline referenced by the ETRTO and most vehicle manufacturers. When in doubt, consult your vehicle's owner's manual or a qualified tire professional. For U.S. tire safety standards and recalls, see the NHTSA Tire Safety page.

Frequently Asked Questions

Use Caution. The overall diameter differs by 3.95%, width changes by 0mm.

Speedometer error will be 3.95%. At an indicated 100 km/h, actual speed is about 104.0 km/h.

Ground clearance changes by +12.7mm per side.