Tire Size Box

175/70R14 vs 195/70R14

195/70R14 compared with 175/70R14

+4.7% diameter, +0.8" width

195/70R14 is 24.75" tall vs 23.65". More than the 3% rule of thumb, so check carefully before switching.

23.6"14" rim4.8"6.9" wide
175/70R14 (solid) compared with 195/70R14 (dashed outline), drawn to scale

With 195/70R14 tires, when your speedometer says 60 mph you are really going

62.8 mph

195/70R14 is +1.10 inches (+4.7%) in overall diameter. That is more than the 3% most shops and makers recommend.

175/70R14195/70R14Difference%
Overall diameter23.65"24.75"+1.10"+4.7%
Section width6.89"7.68"+0.79"+11.4%
Sidewall height4.82"5.37"+0.55"+11.4%
Circumference74.29"77.75"+3.46"+4.7%
Revolutions per mile852.9814.9−38.0−4.5%

Speedometer difference

If your vehicle came with 175/70R14 and you fit 195/70R14, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.9 mph+0.9 mph
30 mph31.4 mph+1.4 mph
40 mph41.9 mph+1.9 mph
50 mph52.3 mph+2.3 mph
60 mph62.8 mph+2.8 mph
65 mph68.0 mph+3.0 mph
70 mph73.3 mph+3.3 mph
75 mph78.5 mph+3.5 mph
80 mph83.7 mph+3.7 mph

Each size on its own

Questions

Which is bigger, 175/70R14 or 195/70R14?
195/70R14 is taller by 1.10 inches (24.75" vs 23.65"). 195/70R14 is wider by 0.79 inches.
Can I replace 175/70R14 with 195/70R14?
It is not recommended without checking carefully. The diameter difference is +4.7%, 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 195/70R14 change my speedometer?
When your speedometer reads 60 mph with 195/70R14 fitted (calibrated for 175/70R14), your real speed is 62.8 mph. Your odometer will under-count miles by about 4.7%.
Will 195/70R14 lift my vehicle?
Ride height changes by half the diameter difference: +0.55 inches of ground clearance at the axle.

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