Tire Size Box

175/65R16 vs 195/65R16

195/65R16 compared with 175/65R16

+4.1% diameter, +0.8" width

195/65R16 is 25.98" tall vs 24.96". More than the 3% rule of thumb, so check carefully before switching.

25.0"16" rim4.5"6.9" wide
175/65R16 (solid) compared with 195/65R16 (dashed outline), drawn to scale

With 195/65R16 tires, when your speedometer says 60 mph you are really going

62.5 mph

195/65R16 is +1.02 inches (+4.1%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/65R16195/65R16Difference%
Overall diameter24.96"25.98"+1.02"+4.1%
Section width6.89"7.68"+0.79"+11.4%
Sidewall height4.48"4.99"+0.51"+11.4%
Circumference78.40"81.62"+3.22"+4.1%
Revolutions per mile808.1776.3−31.8−3.9%

Speedometer difference

If your vehicle came with 175/65R16 and you fit 195/65R16, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.8 mph+0.8 mph
30 mph31.2 mph+1.2 mph
40 mph41.6 mph+1.6 mph
50 mph52.1 mph+2.1 mph
60 mph62.5 mph+2.5 mph
65 mph67.7 mph+2.7 mph
70 mph72.9 mph+2.9 mph
75 mph78.1 mph+3.1 mph
80 mph83.3 mph+3.3 mph

Each size on its own

Questions

Which is bigger, 175/65R16 or 195/65R16?
195/65R16 is taller by 1.02 inches (25.98" vs 24.96"). 195/65R16 is wider by 0.79 inches.
Can I replace 175/65R16 with 195/65R16?
It is not recommended without checking carefully. The diameter difference is +4.1%, 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 195/65R16 change my speedometer?
When your speedometer reads 60 mph with 195/65R16 fitted (calibrated for 175/65R16), your real speed is 62.5 mph. Your odometer will under-count miles by about 4.1%.
Will 195/65R16 lift my vehicle?
Ride height changes by half the diameter difference: +0.51 inches of ground clearance at the axle.

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