CarSpecsHQ

335/25R20 vs 265/35R20

265/35R20 is a safe swap for 335/25R20 by the usual ±3% rule: the diameter differs by +2.66%.

20" rim
335/25R20 26.59" · 265/35R20 27.30" · drawn to scale

Side by side

335/25R20265/35R20Difference
Overall diameter26.59"27.30"+0.71" (+2.66%)
Section width335 mm265 mm-70 mm
Sidewall3.30"3.65"+0.35"
Rim20"20"same
Circumference83.5"85.8"+2.2"
Revs per mile758739-20
Ride height——+0.35"
Speedometer reads 60 mph60.061.6+1.6 mph

Speedometer and odometer

020406080100120 reads 60 · actual 61.6 mph

With 265/35R20 on a car calibrated for 335/25R20, the speedometer reads 58.4 mph when you're really doing 60, and the odometer under-counts by 2.7%.

Speedo showsActual speed
30 mph30.8 mph
45 mph46.2 mph
60 mph61.6 mph
70 mph71.9 mph
80 mph82.1 mph

Other sizes close to 335/25R20

Questions

Can I replace 335/25R20 with 265/35R20?

265/35R20 is a safe swap for 335/25R20 by the usual ±3% rule: the diameter differs by +2.66%.

What's the difference between 335/25R20 and 265/35R20?

265/35R20 is 0.71" taller and 70 mm narrower; the sidewall is +0.35". At an indicated 60 mph you'd actually be doing 61.6 mph.

Will 265/35R20 fit on 335/25R20 wheels?

Both use a 20" rim, so the wheel diameter matches; check the wheel's width range for a 265 mm tire and the fender clearance.