195/70R14 vs 205/55R16

205/55R16 is 0.13 in (3.3 mm) taller than 195/70R14, a +0.52% diameter difference. With the speedometer set for 195/70R14, an indicated 60 mph is 60.3 mph on 205/55R16.

Is this a safe swap?

Diameter difference +0.52%: under 1%

By overall diameter alone, 205/55R16 is a near match for 195/70R14; 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.

195/70R14 vs 205/55R16 differences
Measurement	195/70R14	205/55R16	Difference	% diff
Overall diameter	24.75 in (628.6 mm)	24.88 in (631.9 mm)	+0.13 in (+3.3 mm)	+0.52%
Sidewall height	5.37 in (136.5 mm)	4.44 in (112.8 mm)	−0.94 in (−23.7 mm)	−17.40%
Section width	7.68 in (195.0 mm)	8.07 in (205.0 mm)	+0.39 in (+10.0 mm)	+5.13%
Circumference	77.75 in (1,974.8 mm)	78.16 in (1,985.2 mm)	+0.41 in (+10.4 mm)	+0.52%
Revolutions per mile	815	811	−4	−0.52%

True speed with the speedometer calibrated for 195/70R14
Indicated	Actual on 195/70R14	Actual on 205/55R16	Difference
30 mph	30.0 mph	30.2 mph	+0.2 mph
60 mph	60.0 mph	60.3 mph	+0.3 mph
75 mph	75.0 mph	75.4 mph	+0.4 mph

Ride-height change: 205/55R16 raises the vehicle by 0.06 in (1.7 mm) at the axle (half the +3.3 mm diameter difference).

205/55R16 is 0.13 in taller than 195/70R14 and 10 mm wider, a 0.52% difference in overall diameter.

With the speedometer calibrated for 195/70R14, an indicated 60 mph is actually 60.3 mph on 205/55R16, and revolutions per mile change from 815 to 811.

205/55R16 mounts on a 16-inch wheel, a plus-2 fitment from the 14-inch wheel of 195/70R14.

Size pages

Other comparisons with 195/70R14

Other comparisons with 205/55R16

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