CarSpecsHQ

255/35R19 vs 295/35R19

295/35R19 is outside the ±3% rule as a replacement for 255/35R19: the diameter differs by +4.24%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

19" rim
255/35R19 26.03" · 295/35R19 27.13" · drawn to scale

Side by side

255/35R19295/35R19Difference
Overall diameter26.03"27.13"+1.10" (+4.24%)
Section width255 mm295 mm+40 mm
Sidewall3.51"4.06"+0.55"
Rim19"19"same
Circumference81.8"85.2"+3.5"
Revs per mile775743-31
Ride height——+0.55"
Speedometer reads 60 mph60.062.5+2.5 mph

Speedometer and odometer

020406080100120 reads 60 · actual 62.5 mph

With 295/35R19 on a car calibrated for 255/35R19, the speedometer reads 57.6 mph when you're really doing 60, and the odometer under-counts by 4.2%.

Speedo showsActual speed
30 mph31.3 mph
45 mph46.9 mph
60 mph62.5 mph
70 mph73.0 mph
80 mph83.4 mph

Other sizes close to 255/35R19

Questions

Can I replace 255/35R19 with 295/35R19?

295/35R19 is outside the ±3% rule as a replacement for 255/35R19: the diameter differs by +4.24%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

What's the difference between 255/35R19 and 295/35R19?

295/35R19 is 1.10" taller and 40 mm wider; the sidewall is +0.55". At an indicated 60 mph you'd actually be doing 62.5 mph.

Will 295/35R19 fit on 255/35R19 wheels?

Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 295 mm tire and the fender clearance.