Tire Size Box

335/45R22 vs 335/50R22

335/50R22 compared with 335/45R22

+3.9% diameter, 0.0" width

335/50R22 is 35.19" tall vs 33.87". More than the 3% rule of thumb, so check carefully before switching.

33.9"22" rim5.9"13.2" wide
335/45R22 (solid) compared with 335/50R22 (dashed outline), drawn to scale

With 335/50R22 tires, when your speedometer says 60 mph you are really going

62.3 mph

335/50R22 is +1.32 inches (+3.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

335/45R22335/50R22Difference%
Overall diameter33.87"35.19"+1.32"+3.9%
Section width13.19"13.19"0.00"0.0%
Sidewall height5.94"6.59"+0.66"+11.1%
Circumference106.41"110.55"+4.14"+3.9%
Revolutions per mile595.5573.1−22.3−3.7%

Speedometer difference

If your vehicle came with 335/45R22 and you fit 335/50R22, 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 mph51.9 mph+1.9 mph
60 mph62.3 mph+2.3 mph
65 mph67.5 mph+2.5 mph
70 mph72.7 mph+2.7 mph
75 mph77.9 mph+2.9 mph
80 mph83.1 mph+3.1 mph

Each size on its own

Questions

Which is bigger, 335/45R22 or 335/50R22?
335/50R22 is taller by 1.32 inches (35.19" vs 33.87"). 335/45R22 is the same width.
Can I replace 335/45R22 with 335/50R22?
It is not recommended without checking carefully. The diameter difference is +3.9%, 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 335/50R22 change my speedometer?
When your speedometer reads 60 mph with 335/50R22 fitted (calibrated for 335/45R22), your real speed is 62.3 mph. Your odometer will under-count miles by about 3.9%.
Will 335/50R22 lift my vehicle?
Ride height changes by half the diameter difference: +0.66 inches of ground clearance at the axle.

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