195/75R14 vs 205/75R14

205/75R14 is 0.59 in (15.0 mm) taller than 195/75R14, a +2.31% diameter difference. With the speedometer set for 195/75R14, an indicated 60 mph is 61.4 mph on 205/75R14.

Is this a safe swap?

Diameter difference +2.31%: within the ±3% guideline

By overall diameter alone, 205/75R14 falls inside the ±3% range commonly used as a guideline when replacing 195/75R14. 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.

195/75R14 vs 205/75R14 differences
Measurement	195/75R14	205/75R14	Difference	% diff
Overall diameter	25.52 in (648.1 mm)	26.11 in (663.1 mm)	+0.59 in (+15.0 mm)	+2.31%
Sidewall height	5.76 in (146.3 mm)	6.05 in (153.8 mm)	+0.30 in (+7.5 mm)	+5.13%
Section width	7.68 in (195.0 mm)	8.07 in (205.0 mm)	+0.39 in (+10.0 mm)	+5.13%
Circumference	80.16 in (2,036.1 mm)	82.02 in (2,083.2 mm)	+1.86 in (+47.1 mm)	+2.31%
Revolutions per mile	790	773	−18	−2.26%

True speed with the speedometer calibrated for 195/75R14
Indicated	Actual on 195/75R14	Actual on 205/75R14	Difference
30 mph	30.0 mph	30.7 mph	+0.7 mph
60 mph	60.0 mph	61.4 mph	+1.4 mph
75 mph	75.0 mph	76.7 mph	+1.7 mph

Ride-height change: 205/75R14 raises the vehicle by 0.30 in (7.5 mm) at the axle (half the +15.0 mm diameter difference).

205/75R14 is 0.59 in taller than 195/75R14 and 10 mm wider, a 2.31% difference in overall diameter.

With the speedometer calibrated for 195/75R14, an indicated 60 mph is actually 61.4 mph on 205/75R14, and revolutions per mile change from 790 to 773.

Both sizes mount on 14-inch wheels.

Size pages

Other comparisons with 195/75R14

Other comparisons with 205/75R14

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