Tire Size Box

175/60R14 vs 175/65R14

175/65R14 compared with 175/60R14

+3.1% diameter, 0.0" width

175/65R14 is 22.96" tall vs 22.27". More than the 3% rule of thumb, so check carefully before switching.

22.3"14" rim4.1"6.9" wide
175/60R14 (solid) compared with 175/65R14 (dashed outline), drawn to scale

With 175/65R14 tires, when your speedometer says 60 mph you are really going

61.9 mph

175/65R14 is +0.69 inches (+3.1%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/60R14175/65R14Difference%
Overall diameter22.27"22.96"+0.69"+3.1%
Section width6.89"6.89"0.00"0.0%
Sidewall height4.13"4.48"+0.34"+8.3%
Circumference69.96"72.12"+2.16"+3.1%
Revolutions per mile905.7878.5−27.2−3.0%

Speedometer difference

If your vehicle came with 175/60R14 and you fit 175/65R14, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.6 mph+0.6 mph
30 mph30.9 mph+0.9 mph
40 mph41.2 mph+1.2 mph
50 mph51.5 mph+1.5 mph
60 mph61.9 mph+1.9 mph
65 mph67.0 mph+2.0 mph
70 mph72.2 mph+2.2 mph
75 mph77.3 mph+2.3 mph
80 mph82.5 mph+2.5 mph

Each size on its own

Questions

Which is bigger, 175/60R14 or 175/65R14?
175/65R14 is taller by 0.69 inches (22.96" vs 22.27"). 175/60R14 is the same width.
Can I replace 175/60R14 with 175/65R14?
It is not recommended without checking carefully. The diameter difference is +3.1%, 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 175/65R14 change my speedometer?
When your speedometer reads 60 mph with 175/65R14 fitted (calibrated for 175/60R14), your real speed is 61.9 mph. Your odometer will under-count miles by about 3.1%.
Will 175/65R14 lift my vehicle?
Ride height changes by half the diameter difference: +0.34 inches of ground clearance at the axle.

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