Tire Size Box

195/75R16 vs 195/85R16

195/85R16 compared with 195/75R16

+5.6% diameter, 0.0" width

195/85R16 is 29.05" tall vs 27.52". More than the 3% rule of thumb, so check carefully before switching.

27.5"16" rim5.8"7.7" wide
195/75R16 (solid) compared with 195/85R16 (dashed outline), drawn to scale

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

63.3 mph

195/85R16 is +1.54 inches (+5.6%) in overall diameter. That is more than the 3% most shops and makers recommend.

195/75R16195/85R16Difference%
Overall diameter27.52"29.05"+1.54"+5.6%
Section width7.68"7.68"0.00"0.0%
Sidewall height5.76"6.53"+0.77"+13.3%
Circumference86.44"91.27"+4.82"+5.6%
Revolutions per mile733.0694.2−38.7−5.3%

Speedometer difference

If your vehicle came with 195/75R16 and you fit 195/85R16, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.1 mph+1.1 mph
30 mph31.7 mph+1.7 mph
40 mph42.2 mph+2.2 mph
50 mph52.8 mph+2.8 mph
60 mph63.3 mph+3.3 mph
65 mph68.6 mph+3.6 mph
70 mph73.9 mph+3.9 mph
75 mph79.2 mph+4.2 mph
80 mph84.5 mph+4.5 mph

Each size on its own

Questions

Which is bigger, 195/75R16 or 195/85R16?
195/85R16 is taller by 1.54 inches (29.05" vs 27.52"). 195/75R16 is the same width.
Can I replace 195/75R16 with 195/85R16?
It is not recommended without checking carefully. The diameter difference is +5.6%, 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 195/75R16), your real speed is 63.3 mph. Your odometer will under-count miles by about 5.6%.
Will 195/85R16 lift my vehicle?
Ride height changes by half the diameter difference: +0.77 inches of ground clearance at the axle.

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