255/35R22 vs 265/35R22

265/35R22 is 0.28 in (7.0 mm) taller than 255/35R22, a +0.95% diameter difference. With the speedometer set for 255/35R22, an indicated 60 mph is 60.6 mph on 265/35R22.

Is this a safe swap?

Diameter difference +0.95%: under 1%

By overall diameter alone, 265/35R22 is a near match for 255/35R22; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

Side profile and tread width, drawn to the same scale.

255/35R22 vs 265/35R22 differences
Measurement	255/35R22	265/35R22	Difference	% diff
Overall diameter	29.03 in (737.3 mm)	29.30 in (744.3 mm)	+0.28 in (+7.0 mm)	+0.95%
Sidewall height	3.51 in (89.3 mm)	3.65 in (92.8 mm)	+0.14 in (+3.5 mm)	+3.92%
Section width	10.04 in (255.0 mm)	10.43 in (265.0 mm)	+0.39 in (+10.0 mm)	+3.92%
Circumference	91.19 in (2,316.3 mm)	92.06 in (2,338.3 mm)	+0.87 in (+22.0 mm)	+0.95%
Revolutions per mile	695	688	−7	−0.94%

True speed with the speedometer calibrated for 255/35R22
Indicated	Actual on 255/35R22	Actual on 265/35R22	Difference
30 mph	30.0 mph	30.3 mph	+0.3 mph
60 mph	60.0 mph	60.6 mph	+0.6 mph
75 mph	75.0 mph	75.7 mph	+0.7 mph

Ride-height change: 265/35R22 raises the vehicle by 0.14 in (3.5 mm) at the axle (half the +7.0 mm diameter difference).

265/35R22 is 0.28 in taller than 255/35R22 and 10 mm wider, a 0.95% difference in overall diameter.

With the speedometer calibrated for 255/35R22, an indicated 60 mph is actually 60.6 mph on 265/35R22, and revolutions per mile change from 695 to 688.

Both sizes mount on 22-inch wheels.

Size pages

Other comparisons with 255/35R22

Other comparisons with 265/35R22

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.