TireSizesFinder

195/65R14 vs 185/55R16

185/55R16 is 0.03 in (0.8 mm) taller than 195/65R14, a +0.13% diameter difference. With the speedometer set for 195/65R14, an indicated 60 mph is 60.1 mph on 185/55R16.

Is this a safe swap?

Diameter difference +0.13%: under 1%

By overall diameter alone, 185/55R16 is a near match for 195/65R14; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 195/65R14 (23.98 in) vs 185/55R16 (24.01 in)195/65R1423.98 in × 7.68 in185/55R1624.01 in × 7.28 in
Side profile and tread width, drawn to the same scale.
195/65R14 vs 185/55R16 differences
Measurement195/65R14185/55R16Difference% diff
Overall diameter23.98 in (609.1 mm)24.01 in (609.9 mm)+0.03 in (+0.8 mm)+0.13%
Sidewall height4.99 in (126.8 mm)4.01 in (101.8 mm)−0.98 in (−25.0 mm)−19.72%
Section width7.68 in (195.0 mm)7.28 in (185.0 mm)−0.39 in (−10.0 mm)−5.13%
Circumference75.34 in (1,913.5 mm)75.44 in (1,916.1 mm)+0.10 in (+2.5 mm)+0.13%
Revolutions per mile841840−1−0.13%
True speed with the speedometer calibrated for 195/65R14
IndicatedActual on 195/65R14Actual on 185/55R16Difference
30 mph30.0 mph30.0 mph0.0 mph
60 mph60.0 mph60.1 mph+0.1 mph
75 mph75.0 mph75.1 mph+0.1 mph

Ride-height change: 185/55R16 raises the vehicle by 0.02 in (0.4 mm) at the axle (half the +0.8 mm diameter difference).

185/55R16 is 0.03 in taller than 195/65R14 and 10 mm narrower, a 0.13% difference in overall diameter.

With the speedometer calibrated for 195/65R14, an indicated 60 mph is actually 60.1 mph on 185/55R16, and revolutions per mile change from 841 to 840.

185/55R16 mounts on a 16-inch wheel, a plus-2 fitment from the 14-inch wheel of 195/65R14.

Size pages

Other comparisons with 195/65R14

Other comparisons with 185/55R16

Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.