CarSpecsHQ

225/35R19 vs 295/30R19

295/30R19 is outside the ±3% rule as a replacement for 225/35R19: the diameter differs by +3.05%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

19" rim
225/35R19 25.20" · 295/30R19 25.97" · drawn to scale

Side by side

225/35R19295/30R19Difference
Overall diameter25.20"25.97"+0.77" (+3.05%)
Section width225 mm295 mm+70 mm
Sidewall3.10"3.48"+0.38"
Rim19"19"same
Circumference79.2"81.6"+2.4"
Revs per mile800777-24
Ride height——+0.38"
Speedometer reads 60 mph60.061.8+1.8 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.8 mph

With 295/30R19 on a car calibrated for 225/35R19, the speedometer reads 58.2 mph when you're really doing 60, and the odometer under-counts by 3.0%.

Speedo showsActual speed
30 mph30.9 mph
45 mph46.4 mph
60 mph61.8 mph
70 mph72.1 mph
80 mph82.4 mph

Other sizes close to 225/35R19

Questions

Can I replace 225/35R19 with 295/30R19?

295/30R19 is outside the ±3% rule as a replacement for 225/35R19: the diameter differs by +3.05%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.

What's the difference between 225/35R19 and 295/30R19?

295/30R19 is 0.77" taller and 70 mm wider; the sidewall is +0.38". At an indicated 60 mph you'd actually be doing 61.8 mph.

Will 295/30R19 fit on 225/35R19 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.