Tire Size Box

355/30R22 vs 355/35R22

355/35R22 compared with 355/30R22

+4.6% diameter, 0.0" width

355/35R22 is 31.78" tall vs 30.39". More than the 3% rule of thumb, so check carefully before switching.

30.4"22" rim4.2"14.0" wide
355/30R22 (solid) compared with 355/35R22 (dashed outline), drawn to scale

With 355/35R22 tires, when your speedometer says 60 mph you are really going

62.8 mph

355/35R22 is +1.40 inches (+4.6%) in overall diameter. That is more than the 3% most shops and makers recommend.

355/30R22355/35R22Difference%
Overall diameter30.39"31.78"+1.40"+4.6%
Section width13.98"13.98"0.00"0.0%
Sidewall height4.19"4.89"+0.70"+16.7%
Circumference95.46"99.85"+4.39"+4.6%
Revolutions per mile663.7634.5−29.2−4.4%

Speedometer difference

If your vehicle came with 355/30R22 and you fit 355/35R22, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.9 mph+0.9 mph
30 mph31.4 mph+1.4 mph
40 mph41.8 mph+1.8 mph
50 mph52.3 mph+2.3 mph
60 mph62.8 mph+2.8 mph
65 mph68.0 mph+3.0 mph
70 mph73.2 mph+3.2 mph
75 mph78.4 mph+3.4 mph
80 mph83.7 mph+3.7 mph

Each size on its own

Questions

Which is bigger, 355/30R22 or 355/35R22?
355/35R22 is taller by 1.40 inches (31.78" vs 30.39"). 355/30R22 is the same width.
Can I replace 355/30R22 with 355/35R22?
It is not recommended without checking carefully. The diameter difference is +4.6%, 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 355/35R22 change my speedometer?
When your speedometer reads 60 mph with 355/35R22 fitted (calibrated for 355/30R22), your real speed is 62.8 mph. Your odometer will under-count miles by about 4.6%.
Will 355/35R22 lift my vehicle?
Ride height changes by half the diameter difference: +0.70 inches of ground clearance at the axle.

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