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205/45R18 vs 235/35R19 tire size

235/35R19 vs 205/45R18, diameter

+0.8% taller

Speedometer
59.5 mph
At a true 60 mph
Diameter
25.48 in
Was 25.26 in
Revs per mile
792
Was 798
3% guideline
Within

Car built for 205/45R18, now on 235/35R19.

205/45R18 and 235/35R19

205/45R18 vs 235/35R19 tire size
Measure205/45R18235/35R19Difference
Width, mm205235+30
Sidewall, % of width4535-10
Rim, in1819+1
Section height, in3.633.24-0.39
Diameter, in25.2625.48+0.21 (+0.8%)
Circumference, in79.480.0+0.7
Revs per mile798792-7 (-0.8%)

Fitting 235/35R19 instead of 205/45R18

Within the usual 3% diameter guideline.

  • Needs 19 in wheels.
  • 30 mm wider. Check rubbing at full lock.

Cars with 235/35R19

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