Tire Size Box

195/70R13 vs 195/75R13

195/75R13 compared with 195/70R13

+3.2% diameter, 0.0" width

195/75R13 is 24.52" tall vs 23.75". More than the 3% rule of thumb, so check carefully before switching.

23.7"13" rim5.4"7.7" wide
195/70R13 (solid) compared with 195/75R13 (dashed outline), drawn to scale

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

61.9 mph

195/75R13 is +0.77 inches (+3.2%) in overall diameter. That is more than the 3% most shops and makers recommend.

195/70R13195/75R13Difference%
Overall diameter23.75"24.52"+0.77"+3.2%
Section width7.68"7.68"0.00"0.0%
Sidewall height5.37"5.76"+0.38"+7.1%
Circumference74.61"77.02"+2.41"+3.2%
Revolutions per mile849.3822.7−26.6−3.1%

Speedometer difference

If your vehicle came with 195/70R13 and you fit 195/75R13, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.6 mph+0.6 mph
30 mph31.0 mph+1.0 mph
40 mph41.3 mph+1.3 mph
50 mph51.6 mph+1.6 mph
60 mph61.9 mph+1.9 mph
65 mph67.1 mph+2.1 mph
70 mph72.3 mph+2.3 mph
75 mph77.4 mph+2.4 mph
80 mph82.6 mph+2.6 mph

Each size on its own

Questions

Which is bigger, 195/70R13 or 195/75R13?
195/75R13 is taller by 0.77 inches (24.52" vs 23.75"). 195/70R13 is the same width.
Can I replace 195/70R13 with 195/75R13?
It is not recommended without checking carefully. The diameter difference is +3.2%, 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 195/70R13), your real speed is 61.9 mph. Your odometer will under-count miles by about 3.2%.
Will 195/75R13 lift my vehicle?
Ride height changes by half the diameter difference: +0.38 inches of ground clearance at the axle.

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