Tire Size Box

235/55R19 vs 235/60R19

235/60R19 compared with 235/55R19

+3.2% diameter, 0.0" width

235/60R19 is 30.10" tall vs 29.18". More than the 3% rule of thumb, so check carefully before switching.

29.2"19" rim5.1"9.3" wide
235/55R19 (solid) compared with 235/60R19 (dashed outline), drawn to scale

With 235/60R19 tires, when your speedometer says 60 mph you are really going

61.9 mph

235/60R19 is +0.93 inches (+3.2%) in overall diameter. That is more than the 3% most shops and makers recommend.

235/55R19235/60R19Difference%
Overall diameter29.18"30.10"+0.93"+3.2%
Section width9.25"9.25"0.00"0.0%
Sidewall height5.09"5.55"+0.46"+9.1%
Circumference91.66"94.57"+2.91"+3.2%
Revolutions per mile691.2670.0−21.2−3.1%

Speedometer difference

If your vehicle came with 235/55R19 and you fit 235/60R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.6 mph+0.6 mph
30 mph31.0 mph+1.0 mph
40 mph41.3 mph+1.3 mph
50 mph51.6 mph+1.6 mph
60 mph61.9 mph+1.9 mph
65 mph67.1 mph+2.1 mph
70 mph72.2 mph+2.2 mph
75 mph77.4 mph+2.4 mph
80 mph82.5 mph+2.5 mph

Each size on its own

Questions

Which is bigger, 235/55R19 or 235/60R19?
235/60R19 is taller by 0.93 inches (30.10" vs 29.18"). 235/55R19 is the same width.
Can I replace 235/55R19 with 235/60R19?
It is not recommended without checking carefully. The diameter difference is +3.2%, more than the 3% most shops and makers allow. It will throw off the speedometer and may affect ABS, stability control and clearance.
How much will 235/60R19 change my speedometer?
When your speedometer reads 60 mph with 235/60R19 fitted (calibrated for 235/55R19), your real speed is 61.9 mph. Your odometer will under-count miles by about 3.2%.
Will 235/60R19 lift my vehicle?
Ride height changes by half the diameter difference: +0.46 inches of ground clearance at the axle.

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