Tire Size Box

175/85R13 vs 195/85R13

195/85R13 compared with 175/85R13

+5.4% diameter, +0.8" width

195/85R13 is 26.05" tall vs 24.71". More than the 3% rule of thumb, so check carefully before switching.

24.7"13" rim5.9"6.9" wide
175/85R13 (solid) compared with 195/85R13 (dashed outline), drawn to scale

With 195/85R13 tires, when your speedometer says 60 mph you are really going

63.2 mph

195/85R13 is +1.34 inches (+5.4%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/85R13195/85R13Difference%
Overall diameter24.71"26.05"+1.34"+5.4%
Section width6.89"7.68"+0.79"+11.4%
Sidewall height5.86"6.53"+0.67"+11.4%
Circumference77.64"81.84"+4.21"+5.4%
Revolutions per mile816.1774.2−41.9−5.1%

Speedometer difference

If your vehicle came with 175/85R13 and you fit 195/85R13, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.1 mph+1.1 mph
30 mph31.6 mph+1.6 mph
40 mph42.2 mph+2.2 mph
50 mph52.7 mph+2.7 mph
60 mph63.2 mph+3.2 mph
65 mph68.5 mph+3.5 mph
70 mph73.8 mph+3.8 mph
75 mph79.1 mph+4.1 mph
80 mph84.3 mph+4.3 mph

Each size on its own

Questions

Which is bigger, 175/85R13 or 195/85R13?
195/85R13 is taller by 1.34 inches (26.05" vs 24.71"). 195/85R13 is wider by 0.79 inches.
Can I replace 175/85R13 with 195/85R13?
It is not recommended without checking carefully. The diameter difference is +5.4%, 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 195/85R13 change my speedometer?
When your speedometer reads 60 mph with 195/85R13 fitted (calibrated for 175/85R13), your real speed is 63.2 mph. Your odometer will under-count miles by about 5.4%.
Will 195/85R13 lift my vehicle?
Ride height changes by half the diameter difference: +0.67 inches of ground clearance at the axle.

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