CarSpecsHQ

265/35R22 vs 315/35R22

315/35R22 is outside the ±3% rule as a replacement for 265/35R22: the diameter differs by +4.70%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

22" rim
265/35R22 29.30" · 315/35R22 30.68" · drawn to scale

Side by side

265/35R22315/35R22Difference
Overall diameter29.30"30.68"+1.38" (+4.70%)
Section width265 mm315 mm+50 mm
Sidewall3.65"4.34"+0.69"
Rim22"22"same
Circumference92.1"96.4"+4.3"
Revs per mile688657-31
Ride height——+0.69"
Speedometer reads 60 mph60.062.8+2.8 mph

Speedometer and odometer

020406080100120 reads 60 · actual 62.8 mph

With 315/35R22 on a car calibrated for 265/35R22, 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 mph83.8 mph

Other sizes close to 265/35R22

Questions

Can I replace 265/35R22 with 315/35R22?

315/35R22 is outside the ±3% rule as a replacement for 265/35R22: the diameter differs by +4.70%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

What's the difference between 265/35R22 and 315/35R22?

315/35R22 is 1.38" taller and 50 mm wider; the sidewall is +0.69". At an indicated 60 mph you'd actually be doing 62.8 mph.

Will 315/35R22 fit on 265/35R22 wheels?

Both use a 22" rim, so the wheel diameter matches; check the wheel's width range for a 315 mm tire and the fender clearance.