CarSpecsHQ

215/55R16 vs 205/65R16

205/65R16 is outside the ±3% rule as a replacement for 215/55R16: the diameter differs by +4.67%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

16" rim
215/55R16 25.31" · 205/65R16 26.49" · drawn to scale

Side by side

215/55R16205/65R16Difference
Overall diameter25.31"26.49"+1.18" (+4.67%)
Section width215 mm205 mm-10 mm
Sidewall4.66"5.25"+0.59"
Rim16"16"same
Circumference79.5"83.2"+3.7"
Revs per mile797761-36
Ride height——+0.59"
Speedometer reads 60 mph60.062.8+2.8 mph

Speedometer and odometer

020406080100120 reads 60 · actual 62.8 mph

With 205/65R16 on a car calibrated for 215/55R16, the speedometer reads 57.3 mph when you're really doing 60, and the odometer under-counts by 4.7%.

Speedo showsActual speed
30 mph31.4 mph
45 mph47.1 mph
60 mph62.8 mph
70 mph73.3 mph
80 mph83.7 mph

Other sizes close to 215/55R16

Questions

Can I replace 215/55R16 with 205/65R16?

205/65R16 is outside the ±3% rule as a replacement for 215/55R16: the diameter differs by +4.67%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

What's the difference between 215/55R16 and 205/65R16?

205/65R16 is 1.18" taller and 10 mm narrower; the sidewall is +0.59". At an indicated 60 mph you'd actually be doing 62.8 mph.

Will 205/65R16 fit on 215/55R16 wheels?

Both use a 16" rim, so the wheel diameter matches; check the wheel's width range for a 205 mm tire and the fender clearance.