175/70R13 vs 165/60R14

165/60R14 is 0.85 in (21.6 mm) shorter than 175/70R13, a −3.76% diameter difference. With the speedometer set for 175/70R13, an indicated 60 mph is 57.7 mph on 165/60R14.

Is this a safe swap?

Diameter difference −3.76%: outside the ±3% guideline

By overall diameter alone, 165/60R14 falls outside the ±3% range commonly used as a guideline when replacing 175/70R13; speedometer and ride-height changes are larger. 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.

175/70R13 vs 165/60R14 differences
Measurement	175/70R13	165/60R14	Difference	% diff
Overall diameter	22.65 in (575.2 mm)	21.80 in (553.6 mm)	−0.85 in (−21.6 mm)	−3.76%
Sidewall height	4.82 in (122.5 mm)	3.90 in (99.0 mm)	−0.93 in (−23.5 mm)	−19.18%
Section width	6.89 in (175.0 mm)	6.50 in (165.0 mm)	−0.39 in (−10.0 mm)	−5.71%
Circumference	71.14 in (1,807.0 mm)	68.47 in (1,739.2 mm)	−2.67 in (−67.9 mm)	−3.76%
Revolutions per mile	891	925	+35	+3.90%

True speed with the speedometer calibrated for 175/70R13
Indicated	Actual on 175/70R13	Actual on 165/60R14	Difference
30 mph	30.0 mph	28.9 mph	−1.1 mph
60 mph	60.0 mph	57.7 mph	−2.3 mph
75 mph	75.0 mph	72.2 mph	−2.8 mph

Ride-height change: 165/60R14 lowers the vehicle by 0.43 in (10.8 mm) at the axle (half the −21.6 mm diameter difference).

165/60R14 is 0.85 in shorter than 175/70R13 and 10 mm narrower, a 3.76% difference in overall diameter.

With the speedometer calibrated for 175/70R13, an indicated 60 mph is actually 57.7 mph on 165/60R14, and revolutions per mile change from 891 to 925.

165/60R14 mounts on a 14-inch wheel, a plus-1 fitment from the 13-inch wheel of 175/70R13.

Size pages

Other comparisons with 175/70R13

Other comparisons with 165/60R14

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