CarSpecsHQ

275/60R20 vs 295/60R20

295/60R20 is a safe swap for 275/60R20 by the usual ±3% rule: the diameter differs by +2.86%.

20" rim
275/60R20 32.99" · 295/60R20 33.94" · drawn to scale

Side by side

275/60R20295/60R20Difference
Overall diameter32.99"33.94"+0.94" (+2.86%)
Section width275 mm295 mm+20 mm
Sidewall6.50"6.97"+0.47"
Rim20"20"same
Circumference103.6"106.6"+3.0"
Revs per mile611594-17
Ride height——+0.47"
Speedometer reads 60 mph60.061.7+1.7 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.7 mph

With 295/60R20 on a car calibrated for 275/60R20, the speedometer reads 58.3 mph when you're really doing 60, and the odometer under-counts by 2.9%.

Speedo showsActual speed
30 mph30.9 mph
45 mph46.3 mph
60 mph61.7 mph
70 mph72.0 mph
80 mph82.3 mph

Other sizes close to 275/60R20

Questions

Can I replace 275/60R20 with 295/60R20?

295/60R20 is a safe swap for 275/60R20 by the usual ±3% rule: the diameter differs by +2.86%.

What's the difference between 275/60R20 and 295/60R20?

295/60R20 is 0.94" taller and 20 mm wider; the sidewall is +0.47". At an indicated 60 mph you'd actually be doing 61.7 mph.

Will 295/60R20 fit on 275/60R20 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.