CarSpecsHQ

215/65R16 vs 225/65R16

225/65R16 is a safe swap for 215/65R16 by the usual ±3% rule: the diameter differs by +1.90%.

16" rim
215/65R16 27.00" · 225/65R16 27.52" · drawn to scale

Side by side

215/65R16225/65R16Difference
Overall diameter27.00"27.52"+0.51" (+1.90%)
Section width215 mm225 mm+10 mm
Sidewall5.50"5.76"+0.26"
Rim16"16"same
Circumference84.8"86.4"+1.6"
Revs per mile747733-14
Ride height——+0.26"
Speedometer reads 60 mph60.061.1+1.1 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.1 mph

With 225/65R16 on a car calibrated for 215/65R16, the speedometer reads 58.9 mph when you're really doing 60, and the odometer under-counts by 1.9%.

Speedo showsActual speed
30 mph30.6 mph
45 mph45.9 mph
60 mph61.1 mph
70 mph71.3 mph
80 mph81.5 mph

Other sizes close to 215/65R16

Questions

Can I replace 215/65R16 with 225/65R16?

225/65R16 is a safe swap for 215/65R16 by the usual ±3% rule: the diameter differs by +1.90%.

What's the difference between 215/65R16 and 225/65R16?

225/65R16 is 0.51" taller and 10 mm wider; the sidewall is +0.26". At an indicated 60 mph you'd actually be doing 61.1 mph.

Will 225/65R16 fit on 215/65R16 wheels?

Both use a 16" rim, so the wheel diameter matches; check the wheel's width range for a 225 mm tire and the fender clearance.