Tire Size Box

175/75R13 vs 195/75R13

195/75R13 compared with 175/75R13

+5.1% diameter, +0.8" width

195/75R13 is 24.52" tall vs 23.33". More than the 3% rule of thumb, so check carefully before switching.

23.3"13" rim5.2"6.9" wide
175/75R13 (solid) compared with 195/75R13 (dashed outline), drawn to scale

With 195/75R13 tires, when your speedometer says 60 mph you are really going

63.0 mph

195/75R13 is +1.18 inches (+5.1%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/75R13195/75R13Difference%
Overall diameter23.33"24.52"+1.18"+5.1%
Section width6.89"7.68"+0.79"+11.4%
Sidewall height5.17"5.76"+0.59"+11.4%
Circumference73.31"77.02"+3.71"+5.1%
Revolutions per mile864.3822.7−41.6−4.8%

Speedometer difference

If your vehicle came with 175/75R13 and you fit 195/75R13, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.0 mph+1.0 mph
30 mph31.5 mph+1.5 mph
40 mph42.0 mph+2.0 mph
50 mph52.5 mph+2.5 mph
60 mph63.0 mph+3.0 mph
65 mph68.3 mph+3.3 mph
70 mph73.5 mph+3.5 mph
75 mph78.8 mph+3.8 mph
80 mph84.0 mph+4.0 mph

Each size on its own

Questions

Which is bigger, 175/75R13 or 195/75R13?
195/75R13 is taller by 1.18 inches (24.52" vs 23.33"). 195/75R13 is wider by 0.79 inches.
Can I replace 175/75R13 with 195/75R13?
It is not recommended without checking carefully. The diameter difference is +5.1%, 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 195/75R13 change my speedometer?
When your speedometer reads 60 mph with 195/75R13 fitted (calibrated for 175/75R13), your real speed is 63.0 mph. Your odometer will under-count miles by about 5.1%.
Will 195/75R13 lift my vehicle?
Ride height changes by half the diameter difference: +0.59 inches of ground clearance at the axle.

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