CarSpecsHQ

245/35R19 vs 265/35R19

265/35R19 is a safe swap for 245/35R19 by the usual ±3% rule: the diameter differs by +2.14%.

19" rim
245/35R19 25.75" · 265/35R19 26.30" · drawn to scale

Side by side

245/35R19265/35R19Difference
Overall diameter25.75"26.30"+0.55" (+2.14%)
Section width245 mm265 mm+20 mm
Sidewall3.38"3.65"+0.28"
Rim19"19"same
Circumference80.9"82.6"+1.7"
Revs per mile783767-16
Ride height——+0.28"
Speedometer reads 60 mph60.061.3+1.3 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.3 mph

With 265/35R19 on a car calibrated for 245/35R19, the speedometer reads 58.7 mph when you're really doing 60, and the odometer under-counts by 2.1%.

Speedo showsActual speed
30 mph30.6 mph
45 mph46.0 mph
60 mph61.3 mph
70 mph71.5 mph
80 mph81.7 mph

Other sizes close to 245/35R19

Questions

Can I replace 245/35R19 with 265/35R19?

265/35R19 is a safe swap for 245/35R19 by the usual ±3% rule: the diameter differs by +2.14%.

What's the difference between 245/35R19 and 265/35R19?

265/35R19 is 0.55" taller and 20 mm wider; the sidewall is +0.28". At an indicated 60 mph you'd actually be doing 61.3 mph.

Will 265/35R19 fit on 245/35R19 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.