CarSpecsHQ

225/40R19 vs 265/35R19

265/35R19 is a safe swap for 225/40R19 by the usual ±3% rule: the diameter differs by +0.83%.

19" rim
225/40R19 26.09" · 265/35R19 26.30" · drawn to scale

Side by side

225/40R19265/35R19Difference
Overall diameter26.09"26.30"+0.22" (+0.83%)
Section width225 mm265 mm+40 mm
Sidewall3.54"3.65"+0.11"
Rim19"19"same
Circumference82.0"82.6"+0.7"
Revs per mile773767-6
Ride height——+0.11"
Speedometer reads 60 mph60.060.5+0.5 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.5 mph

With 265/35R19 on a car calibrated for 225/40R19, the speedometer reads 59.5 mph when you're really doing 60, and the odometer under-counts by 0.8%.

Speedo showsActual speed
30 mph30.2 mph
45 mph45.4 mph
60 mph60.5 mph
70 mph70.6 mph
80 mph80.7 mph

Other sizes close to 225/40R19

Questions

Can I replace 225/40R19 with 265/35R19?

265/35R19 is a safe swap for 225/40R19 by the usual ±3% rule: the diameter differs by +0.83%.

What's the difference between 225/40R19 and 265/35R19?

265/35R19 is 0.22" taller and 40 mm wider; the sidewall is +0.11". At an indicated 60 mph you'd actually be doing 60.5 mph.

Will 265/35R19 fit on 225/40R19 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.