Tire Size Box

295/55R17 vs 295/60R17

295/60R17 compared with 295/55R17

+3.9% diameter, 0.0" width

295/60R17 is 30.94" tall vs 29.78". More than the 3% rule of thumb, so check carefully before switching.

29.8"17" rim6.4"11.6" wide
295/55R17 (solid) compared with 295/60R17 (dashed outline), drawn to scale

With 295/60R17 tires, when your speedometer says 60 mph you are really going

62.3 mph

295/60R17 is +1.16 inches (+3.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

295/55R17295/60R17Difference%
Overall diameter29.78"30.94"+1.16"+3.9%
Section width11.61"11.61"0.00"0.0%
Sidewall height6.39"6.97"+0.58"+9.1%
Circumference93.54"97.19"+3.65"+3.9%
Revolutions per mile677.3651.9−25.4−3.8%

Speedometer difference

If your vehicle came with 295/55R17 and you fit 295/60R17, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.8 mph+0.8 mph
30 mph31.2 mph+1.2 mph
40 mph41.6 mph+1.6 mph
50 mph52.0 mph+2.0 mph
60 mph62.3 mph+2.3 mph
65 mph67.5 mph+2.5 mph
70 mph72.7 mph+2.7 mph
75 mph77.9 mph+2.9 mph
80 mph83.1 mph+3.1 mph

Each size on its own

Questions

Which is bigger, 295/55R17 or 295/60R17?
295/60R17 is taller by 1.16 inches (30.94" vs 29.78"). 295/55R17 is the same width.
Can I replace 295/55R17 with 295/60R17?
It is not recommended without checking carefully. The diameter difference is +3.9%, 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 295/60R17 change my speedometer?
When your speedometer reads 60 mph with 295/60R17 fitted (calibrated for 295/55R17), your real speed is 62.3 mph. Your odometer will under-count miles by about 3.9%.
Will 295/60R17 lift my vehicle?
Ride height changes by half the diameter difference: +0.58 inches of ground clearance at the axle.

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