CarSpecsHQ

225/35R19 vs 265/30R19

265/30R19 is a safe swap for 225/35R19 by the usual ±3% rule: the diameter differs by +0.23%.

19" rim
225/35R19 25.20" · 265/30R19 25.26" · drawn to scale

Side by side

225/35R19265/30R19Difference
Overall diameter25.20"25.26"+0.06" (+0.23%)
Section width225 mm265 mm+40 mm
Sidewall3.10"3.13"+0.03"
Rim19"19"same
Circumference79.2"79.4"+0.2"
Revs per mile800798-2
Ride height——+0.03"
Speedometer reads 60 mph60.060.1+0.1 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.1 mph

With 265/30R19 on a car calibrated for 225/35R19, the speedometer reads 59.9 mph when you're really doing 60, and the odometer under-counts by 0.2%.

Speedo showsActual speed
30 mph30.1 mph
45 mph45.1 mph
60 mph60.1 mph
70 mph70.2 mph
80 mph80.2 mph

Other sizes close to 225/35R19

Questions

Can I replace 225/35R19 with 265/30R19?

265/30R19 is a safe swap for 225/35R19 by the usual ±3% rule: the diameter differs by +0.23%.

What's the difference between 225/35R19 and 265/30R19?

265/30R19 is 0.06" taller and 40 mm wider; the sidewall is +0.03". At an indicated 60 mph you'd actually be doing 60.1 mph.

Will 265/30R19 fit on 225/35R19 wheels?

Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 265 mm tire and the fender clearance.