Tire Size Box

355/50R19 vs 355/60R19

355/60R19 compared with 355/50R19

+8.5% diameter, 0.0" width

355/60R19 is 35.77" tall vs 32.98". More than the 3% rule of thumb, so check carefully before switching.

33.0"19" rim7.0"14.0" wide
355/50R19 (solid) compared with 355/60R19 (dashed outline), drawn to scale

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

65.1 mph

355/60R19 is +2.80 inches (+8.5%) in overall diameter. That is more than the 3% most shops and makers recommend.

355/50R19355/60R19Difference%
Overall diameter32.98"35.77"+2.80"+8.5%
Section width13.98"13.98"0.00"0.0%
Sidewall height6.99"8.39"+1.40"+20.0%
Circumference103.60"112.38"+8.78"+8.5%
Revolutions per mile611.6563.8−47.8−7.8%

Speedometer difference

If your vehicle came with 355/50R19 and you fit 355/60R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.7 mph+1.7 mph
30 mph32.5 mph+2.5 mph
40 mph43.4 mph+3.4 mph
50 mph54.2 mph+4.2 mph
60 mph65.1 mph+5.1 mph
65 mph70.5 mph+5.5 mph
70 mph75.9 mph+5.9 mph
75 mph81.4 mph+6.4 mph
80 mph86.8 mph+6.8 mph

Each size on its own

Questions

Which is bigger, 355/50R19 or 355/60R19?
355/60R19 is taller by 2.80 inches (35.77" vs 32.98"). 355/50R19 is the same width.
Can I replace 355/50R19 with 355/60R19?
It is not recommended without checking carefully. The diameter difference is +8.5%, 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 355/50R19), your real speed is 65.1 mph. Your odometer will under-count miles by about 8.5%.
Will 355/60R19 lift my vehicle?
Ride height changes by half the diameter difference: +1.40 inches of ground clearance at the axle.

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