CarSpecsHQ

265/55R19 vs 255/60R19

255/60R19 is a safe swap for 265/55R19 by the usual ±3% rule: the diameter differs by +1.87%.

19" rim
265/55R19 30.48" · 255/60R19 31.05" · drawn to scale

Side by side

265/55R19255/60R19Difference
Overall diameter30.48"31.05"+0.57" (+1.87%)
Section width265 mm255 mm-10 mm
Sidewall5.74"6.02"+0.29"
Rim19"19"same
Circumference95.7"97.5"+1.8"
Revs per mile662650-12
Ride height——+0.29"
Speedometer reads 60 mph60.061.1+1.1 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.1 mph

With 255/60R19 on a car calibrated for 265/55R19, the speedometer reads 58.9 mph when you're really doing 60, and the odometer under-counts by 1.9%.

Speedo showsActual speed
30 mph30.6 mph
45 mph45.8 mph
60 mph61.1 mph
70 mph71.3 mph
80 mph81.5 mph

Other sizes close to 265/55R19

Questions

Can I replace 265/55R19 with 255/60R19?

255/60R19 is a safe swap for 265/55R19 by the usual ±3% rule: the diameter differs by +1.87%.

What's the difference between 265/55R19 and 255/60R19?

255/60R19 is 0.57" taller and 10 mm narrower; the sidewall is +0.29". At an indicated 60 mph you'd actually be doing 61.1 mph.

Will 255/60R19 fit on 265/55R19 wheels?

Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 255 mm tire and the fender clearance.