Tire Size Box

225/55R19 vs 225/60R19

225/60R19 compared with 225/55R19

+3.1% diameter, 0.0" width

225/60R19 is 29.63" tall vs 28.74". More than the 3% rule of thumb, so check carefully before switching.

28.7"19" rim4.9"8.9" wide
225/55R19 (solid) compared with 225/60R19 (dashed outline), drawn to scale

With 225/60R19 tires, when your speedometer says 60 mph you are really going

61.8 mph

225/60R19 is +0.89 inches (+3.1%) in overall diameter. That is more than the 3% most shops and makers recommend.

225/55R19225/60R19Difference%
Overall diameter28.74"29.63"+0.89"+3.1%
Section width8.86"8.86"0.00"0.0%
Sidewall height4.87"5.31"+0.44"+9.1%
Circumference90.30"93.09"+2.78"+3.1%
Revolutions per mile701.6680.7−21.0−3.0%

Speedometer difference

If your vehicle came with 225/55R19 and you fit 225/60R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.6 mph+0.6 mph
30 mph30.9 mph+0.9 mph
40 mph41.2 mph+1.2 mph
50 mph51.5 mph+1.5 mph
60 mph61.8 mph+1.8 mph
65 mph67.0 mph+2.0 mph
70 mph72.2 mph+2.2 mph
75 mph77.3 mph+2.3 mph
80 mph82.5 mph+2.5 mph

Each size on its own

Questions

Which is bigger, 225/55R19 or 225/60R19?
225/60R19 is taller by 0.89 inches (29.63" vs 28.74"). 225/55R19 is the same width.
Can I replace 225/55R19 with 225/60R19?
It is not recommended without checking carefully. The diameter difference is +3.1%, 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 225/60R19 change my speedometer?
When your speedometer reads 60 mph with 225/60R19 fitted (calibrated for 225/55R19), your real speed is 61.8 mph. Your odometer will under-count miles by about 3.1%.
Will 225/60R19 lift my vehicle?
Ride height changes by half the diameter difference: +0.44 inches of ground clearance at the axle.

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