295/25R22 vs 295/35R22

295/35R22 compared with 295/25R22

+8.4% diameter, 0.0" width

295/35R22 is 30.13" tall vs 27.81". More than the 3% rule of thumb, so check carefully before switching.

27.8"22" rim2.9"11.6" wide
295/25R22 (solid) compared with 295/35R22 (dashed outline), drawn to scale

With 295/35R22 tires, when your speedometer says 60 mph you are really going

65.0 mph

295/35R22 is +2.32 inches (+8.4%) in overall diameter. That is more than the 3% most shops and makers recommend.

295/25R22295/35R22Difference%
Overall diameter27.81"30.13"+2.32"+8.4%
Section width11.61"11.61"0.00"0.0%
Sidewall height2.90"4.06"+1.16"+40.0%
Circumference87.36"94.66"+7.30"+8.4%
Revolutions per mile725.3669.4−55.9−7.7%

Speedometer difference

If your vehicle came with 295/25R22 and you fit 295/35R22, 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, 295/25R22 or 295/35R22?
295/35R22 is taller by 2.32 inches (30.13" vs 27.81"). 295/25R22 is the same width.
Can I replace 295/25R22 with 295/35R22?
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 295/35R22 change my speedometer?
When your speedometer reads 60 mph with 295/35R22 fitted (calibrated for 295/25R22), your real speed is 65.0 mph. Your odometer will under-count miles by about 8.4%.
Will 295/35R22 lift my vehicle?
Ride height changes by half the diameter difference: +1.16 inches of ground clearance at the axle.

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