Tire Size Box

355/55R19 vs 355/60R19

355/60R19 compared with 355/55R19

+4.1% diameter, 0.0" width

355/60R19 is 35.77" tall vs 34.37". More than the 3% rule of thumb, so check carefully before switching.

34.4"19" rim7.7"14.0" wide
355/55R19 (solid) compared with 355/60R19 (dashed outline), drawn to scale

With 355/60R19 tires, when your speedometer says 60 mph you are really going

62.4 mph

355/60R19 is +1.40 inches (+4.1%) in overall diameter. That is more than the 3% most shops and makers recommend.

355/55R19355/60R19Difference%
Overall diameter34.37"35.77"+1.40"+4.1%
Section width13.98"13.98"0.00"0.0%
Sidewall height7.69"8.39"+0.70"+9.1%
Circumference107.99"112.38"+4.39"+4.1%
Revolutions per mile586.7563.8−22.9−3.9%

Speedometer difference

If your vehicle came with 355/55R19 and you fit 355/60R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.8 mph+0.8 mph
30 mph31.2 mph+1.2 mph
40 mph41.6 mph+1.6 mph
50 mph52.0 mph+2.0 mph
60 mph62.4 mph+2.4 mph
65 mph67.6 mph+2.6 mph
70 mph72.8 mph+2.8 mph
75 mph78.0 mph+3.0 mph
80 mph83.3 mph+3.3 mph

Each size on its own

Questions

Which is bigger, 355/55R19 or 355/60R19?
355/60R19 is taller by 1.40 inches (35.77" vs 34.37"). 355/55R19 is the same width.
Can I replace 355/55R19 with 355/60R19?
It is not recommended without checking carefully. The diameter difference is +4.1%, 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 355/60R19 change my speedometer?
When your speedometer reads 60 mph with 355/60R19 fitted (calibrated for 355/55R19), your real speed is 62.4 mph. Your odometer will under-count miles by about 4.1%.
Will 355/60R19 lift my vehicle?
Ride height changes by half the diameter difference: +0.70 inches of ground clearance at the axle.

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