CompareWheels

255/70R16 vs 265/70R16

Side-by-side comparison of overall diameter, sidewall height, speedometer error, and ride-height change.

BorderlineCheck wheel-arch clearance and reset TPMS before fitting.

To scale

ground14.0 mm255/70R16763.4 mm265/70R16777.4 mm

255/70R16

Section width
255 mm
Aspect ratio
70%
Rim diameter
16"
Sidewall
178.5 mm
Overall diameter
763.4 mm
Circumference
2398 mm
Revs / mile
671
Revs / km
417

265/70R16

Section width
265 mm
Aspect ratio
70%
Rim diameter
16"
Sidewall
185.5 mm
Overall diameter
777.4 mm
Circumference
2442 mm
Revs / mile
659
Revs / km
409

Difference

Overall diameter
+14.0 mm (+1.83%)
Sidewall height
+7.0 mm
Tread width
+10 mm
Ride height (axle)
+7.0 mm
Speedometer error
+1.83%
At indicated 60 mph
actual 61.1 mph
At indicated 100 km/h
actual 101.8 km/h

Will 265/70R16 fit instead of 255/70R16?

The overall diameter changes by 1.83%. Most manufacturers consider a swap acceptable when the difference stays under 3% — beyond that, you may see speedometer error, ABS/TPMS warnings, or wheel-well clearance problems. This page only covers the math; your vehicle's wheel arches, suspension geometry, and load rating still matter.

What the numbers mean