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215/55R16 vs 205/50R17 tire size

205/50R17 vs 215/55R16, diameter

-0.9% shorter

Speedometer
60.6 mph
At a true 60 mph
Diameter
25.07 in
Was 25.31 in
Revs per mile
804
Was 797
3% guideline
Within

Car built for 215/55R16, now on 205/50R17.

215/55R16 and 205/50R17

215/55R16 vs 205/50R17 tire size
Measure215/55R16205/50R17Difference
Width, mm215205-10
Sidewall, % of width5550-5
Rim, in1617+1
Section height, in4.664.04-0.62
Diameter, in25.3125.07-0.24 (-0.9%)
Circumference, in79.578.8-0.8
Revs per mile797804+8 (+1.0%)

Fitting 205/50R17 instead of 215/55R16

Within the usual 3% diameter guideline.

  • Needs 17 in wheels.
  • Shorter sidewall: 0.6 in less.

Cars with 215/55R16

Cars with 205/50R17

What this cannot tell you

Diameter within 3% is a common shop guideline, not a maker spec.

Load index, offset and clearance are not in this data.

How values are checked