Tire Size Box

345/50R19 vs 345/60R19

345/60R19 compared with 345/50R19

+8.3% diameter, 0.0" width

345/60R19 is 35.30" tall vs 32.58". More than the 3% rule of thumb, so check carefully before switching.

32.6"19" rim6.8"13.6" wide
345/50R19 (solid) compared with 345/60R19 (dashed outline), drawn to scale

With 345/60R19 tires, when your speedometer says 60 mph you are really going

65.0 mph

345/60R19 is +2.72 inches (+8.3%) in overall diameter. That is more than the 3% most shops and makers recommend.

345/50R19345/60R19Difference%
Overall diameter32.58"35.30"+2.72"+8.3%
Section width13.58"13.58"0.00"0.0%
Sidewall height6.79"8.15"+1.36"+20.0%
Circumference102.36"110.90"+8.53"+8.3%
Revolutions per mile619.0571.3−47.6−7.7%

Speedometer difference

If your vehicle came with 345/50R19 and you fit 345/60R19, 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 mph43.3 mph+3.3 mph
50 mph54.2 mph+4.2 mph
60 mph65.0 mph+5.0 mph
65 mph70.4 mph+5.4 mph
70 mph75.8 mph+5.8 mph
75 mph81.3 mph+6.3 mph
80 mph86.7 mph+6.7 mph

Each size on its own

Questions

Which is bigger, 345/50R19 or 345/60R19?
345/60R19 is taller by 2.72 inches (35.30" vs 32.58"). 345/50R19 is the same width.
Can I replace 345/50R19 with 345/60R19?
It is not recommended without checking carefully. The diameter difference is +8.3%, 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 345/60R19 change my speedometer?
When your speedometer reads 60 mph with 345/60R19 fitted (calibrated for 345/50R19), your real speed is 65.0 mph. Your odometer will under-count miles by about 8.3%.
Will 345/60R19 lift my vehicle?
Ride height changes by half the diameter difference: +1.36 inches of ground clearance at the axle.

Other comparisons