CarSpecsHQ

275/35R22 vs 315/35R22

315/35R22 is outside the ±3% rule as a replacement for 275/35R22: the diameter differs by +3.73%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

22" rim
275/35R22 29.58" · 315/35R22 30.68" · drawn to scale

Side by side

275/35R22315/35R22Difference
Overall diameter29.58"30.68"+1.10" (+3.73%)
Section width275 mm315 mm+40 mm
Sidewall3.79"4.34"+0.55"
Rim22"22"same
Circumference92.9"96.4"+3.5"
Revs per mile682657-24
Ride height——+0.55"
Speedometer reads 60 mph60.062.2+2.2 mph

Speedometer and odometer

020406080100120 reads 60 · actual 62.2 mph

With 315/35R22 on a car calibrated for 275/35R22, the speedometer reads 57.8 mph when you're really doing 60, and the odometer under-counts by 3.7%.

Speedo showsActual speed
30 mph31.1 mph
45 mph46.7 mph
60 mph62.2 mph
70 mph72.6 mph
80 mph83.0 mph

Other sizes close to 275/35R22

Questions

Can I replace 275/35R22 with 315/35R22?

315/35R22 is outside the ±3% rule as a replacement for 275/35R22: the diameter differs by +3.73%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

What's the difference between 275/35R22 and 315/35R22?

315/35R22 is 1.10" taller and 40 mm wider; the sidewall is +0.55". At an indicated 60 mph you'd actually be doing 62.2 mph.

Will 315/35R22 fit on 275/35R22 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.