Tire Size Box

265/25R24 vs 265/35R24

265/35R24 compared with 265/25R24

+7.1% diameter, 0.0" width

265/35R24 is 31.30" tall vs 29.22". More than the 3% rule of thumb, so check carefully before switching.

29.2"24" rim2.6"10.4" wide
265/25R24 (solid) compared with 265/35R24 (dashed outline), drawn to scale

With 265/35R24 tires, when your speedometer says 60 mph you are really going

64.3 mph

265/35R24 is +2.09 inches (+7.1%) in overall diameter. That is more than the 3% most shops and makers recommend.

265/25R24265/35R24Difference%
Overall diameter29.22"31.30"+2.09"+7.1%
Section width10.43"10.43"0.00"0.0%
Sidewall height2.61"3.65"+1.04"+40.0%
Circumference91.79"98.34"+6.56"+7.1%
Revolutions per mile690.3644.3−46.0−6.7%

Speedometer difference

If your vehicle came with 265/25R24 and you fit 265/35R24, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.4 mph+1.4 mph
30 mph32.1 mph+2.1 mph
40 mph42.9 mph+2.9 mph
50 mph53.6 mph+3.6 mph
60 mph64.3 mph+4.3 mph
65 mph69.6 mph+4.6 mph
70 mph75.0 mph+5.0 mph
75 mph80.4 mph+5.4 mph
80 mph85.7 mph+5.7 mph

Each size on its own

Questions

Which is bigger, 265/25R24 or 265/35R24?
265/35R24 is taller by 2.09 inches (31.30" vs 29.22"). 265/25R24 is the same width.
Can I replace 265/25R24 with 265/35R24?
It is not recommended without checking carefully. The diameter difference is +7.1%, 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 265/35R24 change my speedometer?
When your speedometer reads 60 mph with 265/35R24 fitted (calibrated for 265/25R24), your real speed is 64.3 mph. Your odometer will under-count miles by about 7.1%.
Will 265/35R24 lift my vehicle?
Ride height changes by half the diameter difference: +1.04 inches of ground clearance at the axle.

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