TireSizesFinder

155/80R13 vs 165/60R14

165/60R14 is 0.97 in (24.6 mm) shorter than 155/80R13, a −4.25% diameter difference. With the speedometer set for 155/80R13, an indicated 60 mph is 57.4 mph on 165/60R14.

Is this a safe swap?

Diameter difference −4.25%: outside the ±3% guideline

By overall diameter alone, 165/60R14 falls outside the ±3% range commonly used as a guideline when replacing 155/80R13; speedometer and ride-height changes are larger. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 155/80R13 (22.76 in) vs 165/60R14 (21.80 in)155/80R1322.76 in × 6.10 in165/60R1421.80 in × 6.50 in
Side profile and tread width, drawn to the same scale.
155/80R13 vs 165/60R14 differences
Measurement155/80R13165/60R14Difference% diff
Overall diameter22.76 in (578.2 mm)21.80 in (553.6 mm)−0.97 in (−24.6 mm)−4.25%
Sidewall height4.88 in (124.0 mm)3.90 in (99.0 mm)−0.98 in (−25.0 mm)−20.16%
Section width6.10 in (155.0 mm)6.50 in (165.0 mm)+0.39 in (+10.0 mm)+6.45%
Circumference71.51 in (1,816.5 mm)68.47 in (1,739.2 mm)−3.04 in (−77.3 mm)−4.25%
Revolutions per mile886925+39+4.44%
True speed with the speedometer calibrated for 155/80R13
IndicatedActual on 155/80R13Actual on 165/60R14Difference
30 mph30.0 mph28.7 mph−1.3 mph
60 mph60.0 mph57.4 mph−2.6 mph
75 mph75.0 mph71.8 mph−3.2 mph

Ride-height change: 165/60R14 lowers the vehicle by 0.48 in (12.3 mm) at the axle (half the −24.6 mm diameter difference).

165/60R14 is 0.97 in shorter than 155/80R13 and 10 mm wider, a 4.25% difference in overall diameter.

With the speedometer calibrated for 155/80R13, an indicated 60 mph is actually 57.4 mph on 165/60R14, and revolutions per mile change from 886 to 925.

165/60R14 mounts on a 14-inch wheel, a plus-1 fitment from the 13-inch wheel of 155/80R13.

Size pages

Other comparisons with 155/80R13

Other comparisons with 165/60R14

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