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215/50R18 vs 265/35R19 tire size

265/35R19 vs 215/50R18, diameter

-0.6% shorter

Speedometer
60.4 mph
At a true 60 mph
Diameter
26.30 in
Was 26.46 in
Revs per mile
767
Was 762
3% guideline
Within

Car built for 215/50R18, now on 265/35R19.

215/50R18 and 265/35R19

215/50R18 vs 265/35R19 tire size
Measure215/50R18265/35R19Difference
Width, mm215265+50
Sidewall, % of width5035-15
Rim, in1819+1
Section height, in4.233.65-0.58
Diameter, in26.4626.30-0.16 (-0.6%)
Circumference, in83.182.6-0.5
Revs per mile762767+5 (+0.6%)

Fitting 265/35R19 instead of 215/50R18

Within the usual 3% diameter guideline.

  • Needs 19 in wheels.
  • 50 mm wider. Check rubbing at full lock.
  • Shorter sidewall: 0.6 in less.

Cars with 215/50R18

Cars with 265/35R19

What this cannot tell you

Diameter within 3% is a common shop guideline, not a maker spec.

Load index, offset and clearance are not in this data.

How values are checked