CarSpecsHQ

225/60R17 vs 215/70R16

215/70R16 is a safe swap for 225/60R17 by the usual ±3% rule: the diameter differs by +0.80%.

17" → 16"
225/60R17 27.63" · 215/70R16 27.85" · drawn to scale

Side by side

225/60R17215/70R16Difference
Overall diameter27.63"27.85"+0.22" (+0.80%)
Section width225 mm215 mm-10 mm
Sidewall5.31"5.93"+0.61"
Rim17"16"-1"
Circumference86.8"87.5"+0.7"
Revs per mile730724-6
Ride height——+0.11"
Speedometer reads 60 mph60.060.5+0.5 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.5 mph

With 215/70R16 on a car calibrated for 225/60R17, 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 mph70.6 mph
80 mph80.6 mph

Other sizes close to 225/60R17

Questions

Can I replace 225/60R17 with 215/70R16?

215/70R16 is a safe swap for 225/60R17 by the usual ±3% rule: the diameter differs by +0.80%.

What's the difference between 225/60R17 and 215/70R16?

215/70R16 is 0.22" taller and 10 mm narrower; the sidewall is +0.61". At an indicated 60 mph you'd actually be doing 60.5 mph.

Will 215/70R16 fit on 225/60R17 wheels?

No — 225/60R17 needs a 17" wheel and 215/70R16 a 16" wheel. This is a plus/minus-size swap that changes wheels too.