Tire Size Box

275/25R22 vs 275/35R22

275/35R22 compared with 275/25R22

+7.9% diameter, 0.0" width

275/35R22 is 29.58" tall vs 27.41". More than the 3% rule of thumb, so check carefully before switching.

27.4"22" rim2.7"10.8" wide
275/25R22 (solid) compared with 275/35R22 (dashed outline), drawn to scale

With 275/35R22 tires, when your speedometer says 60 mph you are really going

64.7 mph

275/35R22 is +2.17 inches (+7.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

275/25R22275/35R22Difference%
Overall diameter27.41"29.58"+2.17"+7.9%
Section width10.83"10.83"0.00"0.0%
Sidewall height2.71"3.79"+1.08"+40.0%
Circumference86.12"92.92"+6.80"+7.9%
Revolutions per mile735.7681.8−53.9−7.3%

Speedometer difference

If your vehicle came with 275/25R22 and you fit 275/35R22, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.6 mph+1.6 mph
30 mph32.4 mph+2.4 mph
40 mph43.2 mph+3.2 mph
50 mph53.9 mph+3.9 mph
60 mph64.7 mph+4.7 mph
65 mph70.1 mph+5.1 mph
70 mph75.5 mph+5.5 mph
75 mph80.9 mph+5.9 mph
80 mph86.3 mph+6.3 mph

Each size on its own

Questions

Which is bigger, 275/25R22 or 275/35R22?
275/35R22 is taller by 2.17 inches (29.58" vs 27.41"). 275/25R22 is the same width.
Can I replace 275/25R22 with 275/35R22?
It is not recommended without checking carefully. The diameter difference is +7.9%, 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 275/35R22 change my speedometer?
When your speedometer reads 60 mph with 275/35R22 fitted (calibrated for 275/25R22), your real speed is 64.7 mph. Your odometer will under-count miles by about 7.9%.
Will 275/35R22 lift my vehicle?
Ride height changes by half the diameter difference: +1.08 inches of ground clearance at the axle.

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