Tire Size Box

335/35R22 vs 335/45R22

335/45R22 compared with 335/35R22

+8.4% diameter, 0.0" width

335/45R22 is 33.87" tall vs 31.23". More than the 3% rule of thumb, so check carefully before switching.

31.2"22" rim4.6"13.2" wide
335/35R22 (solid) compared with 335/45R22 (dashed outline), drawn to scale

With 335/45R22 tires, when your speedometer says 60 mph you are really going

65.1 mph

335/45R22 is +2.64 inches (+8.4%) in overall diameter. That is more than the 3% most shops and makers recommend.

335/35R22335/45R22Difference%
Overall diameter31.23"33.87"+2.64"+8.4%
Section width13.19"13.19"0.00"0.0%
Sidewall height4.62"5.94"+1.32"+28.6%
Circumference98.12"106.41"+8.29"+8.4%
Revolutions per mile645.7595.5−50.3−7.8%

Speedometer difference

If your vehicle came with 335/35R22 and you fit 335/45R22, 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 mph81.3 mph+6.3 mph
80 mph86.8 mph+6.8 mph

Each size on its own

Questions

Which is bigger, 335/35R22 or 335/45R22?
335/45R22 is taller by 2.64 inches (33.87" vs 31.23"). 335/35R22 is the same width.
Can I replace 335/35R22 with 335/45R22?
It is not recommended without checking carefully. The diameter difference is +8.4%, 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 335/45R22 change my speedometer?
When your speedometer reads 60 mph with 335/45R22 fitted (calibrated for 335/35R22), your real speed is 65.1 mph. Your odometer will under-count miles by about 8.4%.
Will 335/45R22 lift my vehicle?
Ride height changes by half the diameter difference: +1.32 inches of ground clearance at the axle.

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