Question 1

Which tire is taller, 215/60 R16 or 215/55 R17?

Accepted Answer

215/55 R17 is taller by 3.9 mm (0.59%) compared with 215/60 R16.

Question 2

What is the diameter difference between 215/60 R16 and 215/55 R17?

Accepted Answer

215/60 R16 measures 664 mm overall diameter, 215/55 R17 measures 668 mm — a difference of 3.9 mm (0.59%).

Question 3

How much speedometer error does this change create?

Accepted Answer

Switching from 215/60 R16 to 215/55 R17 changes the speedometer reading by +0.59%. At an indicated 100 km/h, your true speed becomes about 100.6 km/h.

Question 4

Is 215/55 R17 a safe replacement for 215/60 R16?

Accepted Answer

Within ±3% diameter — generally considered a safe replacement from a speedometer-error standpoint, provided wheel offset, rim width and clearance also match your vehicle.

Question 5

What else should I check before changing tire size?

Accepted Answer

Beyond diameter and speedometer error, verify wheel offset (ET), rim width, hub bore, load index, brake and suspension clearance, and your vehicle's manufacturer specification. Local regulations may also limit how far you can deviate from OEM.

Metric	215/60 R16	215/55 R17	Difference
Overall diameter	664.4 mm	668.3 mm	+3.9 mm (+0.59%)
Sidewall height	129.0 mm	118.3 mm	-10.8 mm
Circumference	2.087 m	2.100 m	+12.3 mm
Revs / km	479.1	476.3	-2.8
Ground clearance	reference	+1.9 mm	+1.9 mm
Speedometer @ 100 km/h	100.0 km/h	100.6 km/h	+0.59 km/h

215/60 R16 vs 215/55 R17

Detailed comparison

Verdict: excellent

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