CarSpecsHQ

205/60R15 vs 205/55R16

205/55R16 is a safe swap for 205/60R15 by the usual ±3% rule: the diameter differs by +0.78%.

15" → 16"
205/60R15 24.69" · 205/55R16 24.88" · drawn to scale

Side by side

205/60R15205/55R16Difference
Overall diameter24.69"24.88"+0.19" (+0.78%)
Section width205 mm205 mm0 mm
Sidewall4.84"4.44"-0.40"
Rim15"16"+1"
Circumference77.6"78.2"+0.6"
Revs per mile817811-6
Ride height——+0.10"
Speedometer reads 60 mph60.060.5+0.5 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.5 mph

With 205/55R16 on a car calibrated for 205/60R15, the speedometer reads 59.5 mph when you're really doing 60, and the odometer under-counts by 0.8%.

Speedo showsActual speed
30 mph30.2 mph
45 mph45.4 mph
60 mph60.5 mph
70 mph70.5 mph
80 mph80.6 mph

Other sizes close to 205/60R15

Questions

Can I replace 205/60R15 with 205/55R16?

205/55R16 is a safe swap for 205/60R15 by the usual ±3% rule: the diameter differs by +0.78%.

What's the difference between 205/60R15 and 205/55R16?

205/55R16 is 0.19" taller and 0 mm wider; the sidewall is -0.40". At an indicated 60 mph you'd actually be doing 60.5 mph.

Will 205/55R16 fit on 205/60R15 wheels?

No — 205/60R15 needs a 15" wheel and 205/55R16 a 16" wheel. This is a plus/minus-size swap that changes wheels too.