Tire Size Box

195/75R14 vs 195/85R14

195/85R14 compared with 195/75R14

+6.0% diameter, 0.0" width

195/85R14 is 27.05" tall vs 25.52". More than the 3% rule of thumb, so check carefully before switching.

25.5"14" rim5.8"7.7" wide
195/75R14 (solid) compared with 195/85R14 (dashed outline), drawn to scale

With 195/85R14 tires, when your speedometer says 60 mph you are really going

63.6 mph

195/85R14 is +1.54 inches (+6.0%) in overall diameter. That is more than the 3% most shops and makers recommend.

195/75R14195/85R14Difference%
Overall diameter25.52"27.05"+1.54"+6.0%
Section width7.68"7.68"0.00"0.0%
Sidewall height5.76"6.53"+0.77"+13.3%
Circumference80.16"84.98"+4.82"+6.0%
Revolutions per mile790.4745.6−44.9−5.7%

Speedometer difference

If your vehicle came with 195/75R14 and you fit 195/85R14, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.2 mph+1.2 mph
30 mph31.8 mph+1.8 mph
40 mph42.4 mph+2.4 mph
50 mph53.0 mph+3.0 mph
60 mph63.6 mph+3.6 mph
65 mph68.9 mph+3.9 mph
70 mph74.2 mph+4.2 mph
75 mph79.5 mph+4.5 mph
80 mph84.8 mph+4.8 mph

Each size on its own

Questions

Which is bigger, 195/75R14 or 195/85R14?
195/85R14 is taller by 1.54 inches (27.05" vs 25.52"). 195/75R14 is the same width.
Can I replace 195/75R14 with 195/85R14?
It is not recommended without checking carefully. The diameter difference is +6.0%, 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 195/85R14 change my speedometer?
When your speedometer reads 60 mph with 195/85R14 fitted (calibrated for 195/75R14), your real speed is 63.6 mph. Your odometer will under-count miles by about 6.0%.
Will 195/85R14 lift my vehicle?
Ride height changes by half the diameter difference: +0.77 inches of ground clearance at the axle.

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