Tire Size Box

175/75R14 vs 195/75R14

195/75R14 compared with 175/75R14

+4.9% diameter, +0.8" width

195/75R14 is 25.52" tall vs 24.33". More than the 3% rule of thumb, so check carefully before switching.

24.3"14" rim5.2"6.9" wide
175/75R14 (solid) compared with 195/75R14 (dashed outline), drawn to scale

With 195/75R14 tires, when your speedometer says 60 mph you are really going

62.9 mph

195/75R14 is +1.18 inches (+4.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/75R14195/75R14Difference%
Overall diameter24.33"25.52"+1.18"+4.9%
Section width6.89"7.68"+0.79"+11.4%
Sidewall height5.17"5.76"+0.59"+11.4%
Circumference76.45"80.16"+3.71"+4.9%
Revolutions per mile828.8790.4−38.4−4.6%

Speedometer difference

If your vehicle came with 175/75R14 and you fit 195/75R14, 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 mph41.9 mph+1.9 mph
50 mph52.4 mph+2.4 mph
60 mph62.9 mph+2.9 mph
65 mph68.2 mph+3.2 mph
70 mph73.4 mph+3.4 mph
75 mph78.6 mph+3.6 mph
80 mph83.9 mph+3.9 mph

Each size on its own

Questions

Which is bigger, 175/75R14 or 195/75R14?
195/75R14 is taller by 1.18 inches (25.52" vs 24.33"). 195/75R14 is wider by 0.79 inches.
Can I replace 175/75R14 with 195/75R14?
It is not recommended without checking carefully. The diameter difference is +4.9%, 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 195/75R14 change my speedometer?
When your speedometer reads 60 mph with 195/75R14 fitted (calibrated for 175/75R14), your real speed is 62.9 mph. Your odometer will under-count miles by about 4.9%.
Will 195/75R14 lift my vehicle?
Ride height changes by half the diameter difference: +0.59 inches of ground clearance at the axle.

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