CarSpecsHQ

265/60R20 vs 295/60R20

295/60R20 is outside the ±3% rule as a replacement for 265/60R20: the diameter differs by +4.36%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

20" rim
265/60R20 32.52" · 295/60R20 33.94" · drawn to scale

Side by side

265/60R20295/60R20Difference
Overall diameter32.52"33.94"+1.42" (+4.36%)
Section width265 mm295 mm+30 mm
Sidewall6.26"6.97"+0.71"
Rim20"20"same
Circumference102.2"106.6"+4.5"
Revs per mile620594-26
Ride height——+0.71"
Speedometer reads 60 mph60.062.6+2.6 mph

Speedometer and odometer

020406080100120 reads 60 · actual 62.6 mph

With 295/60R20 on a car calibrated for 265/60R20, the speedometer reads 57.5 mph when you're really doing 60, and the odometer under-counts by 4.4%.

Speedo showsActual speed
30 mph31.3 mph
45 mph47.0 mph
60 mph62.6 mph
70 mph73.1 mph
80 mph83.5 mph

Other sizes close to 265/60R20

Questions

Can I replace 265/60R20 with 295/60R20?

295/60R20 is outside the ±3% rule as a replacement for 265/60R20: the diameter differs by +4.36%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

What's the difference between 265/60R20 and 295/60R20?

295/60R20 is 1.42" taller and 30 mm wider; the sidewall is +0.71". At an indicated 60 mph you'd actually be doing 62.6 mph.

Will 295/60R20 fit on 265/60R20 wheels?

Both use a 20" rim, so the wheel diameter matches; check the wheel's width range for a 295 mm tire and the fender clearance.