CarSpecsHQ

225/75R17 vs 265/65R17

265/65R17 is a safe swap for 225/75R17 by the usual ±3% rule: the diameter differs by +0.91%.

17" rim
225/75R17 30.29" · 265/65R17 30.56" · drawn to scale

Side by side

225/75R17265/65R17Difference
Overall diameter30.29"30.56"+0.28" (+0.91%)
Section width225 mm265 mm+40 mm
Sidewall6.64"6.78"+0.14"
Rim17"17"same
Circumference95.2"96.0"+0.9"
Revs per mile666660-6
Ride height——+0.14"
Speedometer reads 60 mph60.060.5+0.5 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.5 mph

With 265/65R17 on a car calibrated for 225/75R17, the speedometer reads 59.5 mph when you're really doing 60, and the odometer under-counts by 0.9%.

Speedo showsActual speed
30 mph30.3 mph
45 mph45.4 mph
60 mph60.5 mph
70 mph70.6 mph
80 mph80.7 mph

Other sizes close to 225/75R17

Questions

Can I replace 225/75R17 with 265/65R17?

265/65R17 is a safe swap for 225/75R17 by the usual ±3% rule: the diameter differs by +0.91%.

What's the difference between 225/75R17 and 265/65R17?

265/65R17 is 0.28" taller and 40 mm wider; the sidewall is +0.14". At an indicated 60 mph you'd actually be doing 60.5 mph.

Will 265/65R17 fit on 225/75R17 wheels?

Both use a 17" rim, so the wheel diameter matches; check the wheel's width range for a 265 mm tire and the fender clearance.