Tire Size Box

195/60R17 vs 195/70R17

195/70R17 compared with 195/60R17

+5.9% diameter, 0.0" width

195/70R17 is 27.75" tall vs 26.21". More than the 3% rule of thumb, so check carefully before switching.

26.2"17" rim4.6"7.7" wide
195/60R17 (solid) compared with 195/70R17 (dashed outline), drawn to scale

With 195/70R17 tires, when your speedometer says 60 mph you are really going

63.5 mph

195/70R17 is +1.54 inches (+5.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

195/60R17195/70R17Difference%
Overall diameter26.21"27.75"+1.54"+5.9%
Section width7.68"7.68"0.00"0.0%
Sidewall height4.61"5.37"+0.77"+16.7%
Circumference82.35"87.17"+4.82"+5.9%
Revolutions per mile769.4726.8−42.6−5.5%

Speedometer difference

If your vehicle came with 195/60R17 and you fit 195/70R17, 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 mph42.3 mph+2.3 mph
50 mph52.9 mph+2.9 mph
60 mph63.5 mph+3.5 mph
65 mph68.8 mph+3.8 mph
70 mph74.1 mph+4.1 mph
75 mph79.4 mph+4.4 mph
80 mph84.7 mph+4.7 mph

Each size on its own

Questions

Which is bigger, 195/60R17 or 195/70R17?
195/70R17 is taller by 1.54 inches (27.75" vs 26.21"). 195/60R17 is the same width.
Can I replace 195/60R17 with 195/70R17?
It is not recommended without checking carefully. The diameter difference is +5.9%, 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 195/70R17 change my speedometer?
When your speedometer reads 60 mph with 195/70R17 fitted (calibrated for 195/60R17), your real speed is 63.5 mph. Your odometer will under-count miles by about 5.9%.
Will 195/70R17 lift my vehicle?
Ride height changes by half the diameter difference: +0.77 inches of ground clearance at the axle.

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