Question 1

Which tire is taller, 275/35 R22 or 265/35 R22?

Accepted Answer

275/35 R22 is taller by 7.0 mm (0.93%) compared with 265/35 R22.

Question 2

What is the diameter difference between 275/35 R22 and 265/35 R22?

Accepted Answer

275/35 R22 measures 751 mm overall diameter, 265/35 R22 measures 744 mm — a difference of 7.0 mm (0.93%).

Question 3

How much speedometer error does this change create?

Accepted Answer

Switching from 275/35 R22 to 265/35 R22 changes the speedometer reading by -0.93%. At an indicated 100 km/h, your true speed becomes about 99.1 km/h.

Question 4

Is 265/35 R22 a safe replacement for 275/35 R22?

Accepted Answer

Within ±3% diameter — generally considered a safe replacement from a speedometer-error standpoint, provided wheel offset, rim width and clearance also match your vehicle.

Question 5

What else should I check before changing tire size?

Accepted Answer

Beyond diameter and speedometer error, verify wheel offset (ET), rim width, hub bore, load index, brake and suspension clearance, and your vehicle's manufacturer specification. Local regulations may also limit how far you can deviate from OEM.

Metric	275/35 R22	265/35 R22	Difference
Overall diameter	751.3 mm	744.3 mm	-7.0 mm (-0.93%)
Sidewall height	96.3 mm	92.8 mm	-3.5 mm
Circumference	2.360 m	2.338 m	-22.0 mm
Revs / km	423.7	427.7	+4.0
Ground clearance	reference	-3.5 mm	-3.5 mm
Speedometer @ 100 km/h	100.0 km/h	99.1 km/h	-0.93 km/h

275/35 R22 vs 265/35 R22

Detailed comparison

Verdict: excellent

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