TireSizesFinder

185/60R13 vs 165/60R14

165/60R14 is 0.06 in (1.4 mm) taller than 185/60R13, a +0.25% diameter difference. With the speedometer set for 185/60R13, an indicated 60 mph is 60.2 mph on 165/60R14.

Is this a safe swap?

Diameter difference +0.25%: under 1%

By overall diameter alone, 165/60R14 is a near match for 185/60R13; 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: 185/60R13 (21.74 in) vs 165/60R14 (21.80 in)185/60R1321.74 in × 7.28 in165/60R1421.80 in × 6.50 in
Side profile and tread width, drawn to the same scale.
185/60R13 vs 165/60R14 differences
Measurement185/60R13165/60R14Difference% diff
Overall diameter21.74 in (552.2 mm)21.80 in (553.6 mm)+0.06 in (+1.4 mm)+0.25%
Sidewall height4.37 in (111.0 mm)3.90 in (99.0 mm)−0.47 in (−12.0 mm)−10.81%
Section width7.28 in (185.0 mm)6.50 in (165.0 mm)−0.79 in (−20.0 mm)−10.81%
Circumference68.30 in (1,734.8 mm)68.47 in (1,739.2 mm)+0.17 in (+4.4 mm)+0.25%
Revolutions per mile928925−2−0.25%
True speed with the speedometer calibrated for 185/60R13
IndicatedActual on 185/60R13Actual on 165/60R14Difference
30 mph30.0 mph30.1 mph+0.1 mph
60 mph60.0 mph60.2 mph+0.2 mph
75 mph75.0 mph75.2 mph+0.2 mph

Ride-height change: 165/60R14 raises the vehicle by 0.03 in (0.7 mm) at the axle (half the +1.4 mm diameter difference).

165/60R14 is 0.06 in taller than 185/60R13 and 20 mm narrower, a 0.25% difference in overall diameter.

With the speedometer calibrated for 185/60R13, an indicated 60 mph is actually 60.2 mph on 165/60R14, and revolutions per mile change from 928 to 925.

165/60R14 mounts on a 14-inch wheel, a plus-1 fitment from the 13-inch wheel of 185/60R13.

Size pages

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