205/70R14 vs 195/75R14

195/75R14 is 0.22 in (5.5 mm) taller than 205/70R14, a +0.86% diameter difference. With the speedometer set for 205/70R14, an indicated 60 mph is 60.5 mph on 195/75R14.

Is this a safe swap?

Diameter difference +0.86%: under 1%

By overall diameter alone, 195/75R14 is a near match for 205/70R14; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

Side profile and tread width, drawn to the same scale.

205/70R14 vs 195/75R14 differences
Measurement	205/70R14	195/75R14	Difference	% diff
Overall diameter	25.30 in (642.6 mm)	25.52 in (648.1 mm)	+0.22 in (+5.5 mm)	+0.86%
Sidewall height	5.65 in (143.5 mm)	5.76 in (146.3 mm)	+0.11 in (+2.8 mm)	+1.92%
Section width	8.07 in (205.0 mm)	7.68 in (195.0 mm)	−0.39 in (−10.0 mm)	−4.88%
Circumference	79.48 in (2,018.8 mm)	80.16 in (2,036.1 mm)	+0.68 in (+17.3 mm)	+0.86%
Revolutions per mile	797	790	−7	−0.85%

True speed with the speedometer calibrated for 205/70R14
Indicated	Actual on 205/70R14	Actual on 195/75R14	Difference
30 mph	30.0 mph	30.3 mph	+0.3 mph
60 mph	60.0 mph	60.5 mph	+0.5 mph
75 mph	75.0 mph	75.6 mph	+0.6 mph

Ride-height change: 195/75R14 raises the vehicle by 0.11 in (2.8 mm) at the axle (half the +5.5 mm diameter difference).

195/75R14 is 0.22 in taller than 205/70R14 and 10 mm narrower, a 0.86% difference in overall diameter.

With the speedometer calibrated for 205/70R14, an indicated 60 mph is actually 60.5 mph on 195/75R14, and revolutions per mile change from 797 to 790.

Both sizes mount on 14-inch wheels.

Size pages

Other comparisons with 205/70R14

Other comparisons with 195/75R14

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.