Tire Size Box

175/85R16 vs 195/85R16

195/85R16 compared with 175/85R16

+4.8% diameter, +0.8" width

195/85R16 is 29.05" tall vs 27.71". More than the 3% rule of thumb, so check carefully before switching.

27.7"16" rim5.9"6.9" wide
175/85R16 (solid) compared with 195/85R16 (dashed outline), drawn to scale

With 195/85R16 tires, when your speedometer says 60 mph you are really going

62.9 mph

195/85R16 is +1.34 inches (+4.8%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/85R16195/85R16Difference%
Overall diameter27.71"29.05"+1.34"+4.8%
Section width6.89"7.68"+0.79"+11.4%
Sidewall height5.86"6.53"+0.67"+11.4%
Circumference87.06"91.27"+4.21"+4.8%
Revolutions per mile727.8694.2−33.5−4.6%

Speedometer difference

If your vehicle came with 175/85R16 and you fit 195/85R16, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.0 mph+1.0 mph
30 mph31.4 mph+1.4 mph
40 mph41.9 mph+1.9 mph
50 mph52.4 mph+2.4 mph
60 mph62.9 mph+2.9 mph
65 mph68.1 mph+3.1 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, 175/85R16 or 195/85R16?
195/85R16 is taller by 1.34 inches (29.05" vs 27.71"). 195/85R16 is wider by 0.79 inches.
Can I replace 175/85R16 with 195/85R16?
It is not recommended without checking carefully. The diameter difference is +4.8%, 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 195/85R16 change my speedometer?
When your speedometer reads 60 mph with 195/85R16 fitted (calibrated for 175/85R16), your real speed is 62.9 mph. Your odometer will under-count miles by about 4.8%.
Will 195/85R16 lift my vehicle?
Ride height changes by half the diameter difference: +0.67 inches of ground clearance at the axle.

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