TireSizesFinder

205/60R14 vs 175/65R15

175/65R15 is 0.27 in (6.9 mm) taller than 205/60R14, a +1.15% diameter difference. With the speedometer set for 205/60R14, an indicated 60 mph is 60.7 mph on 175/65R15.

Is this a safe swap?

Diameter difference +1.15%: within the ±3% guideline

By overall diameter alone, 175/65R15 falls inside the ±3% range commonly used as a guideline when replacing 205/60R14. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 205/60R14 (23.69 in) vs 175/65R15 (23.96 in)205/60R1423.69 in × 8.07 in175/65R1523.96 in × 6.89 in
Side profile and tread width, drawn to the same scale.
205/60R14 vs 175/65R15 differences
Measurement205/60R14175/65R15Difference% diff
Overall diameter23.69 in (601.6 mm)23.96 in (608.5 mm)+0.27 in (+6.9 mm)+1.15%
Sidewall height4.84 in (123.0 mm)4.48 in (113.8 mm)−0.36 in (−9.2 mm)−7.52%
Section width8.07 in (205.0 mm)6.89 in (175.0 mm)−1.18 in (−30.0 mm)−14.63%
Circumference74.41 in (1,890.0 mm)75.26 in (1,911.7 mm)+0.85 in (+21.7 mm)+1.15%
Revolutions per mile852842−10−1.13%
True speed with the speedometer calibrated for 205/60R14
IndicatedActual on 205/60R14Actual on 175/65R15Difference
30 mph30.0 mph30.3 mph+0.3 mph
60 mph60.0 mph60.7 mph+0.7 mph
75 mph75.0 mph75.9 mph+0.9 mph

Ride-height change: 175/65R15 raises the vehicle by 0.14 in (3.5 mm) at the axle (half the +6.9 mm diameter difference).

175/65R15 is 0.27 in taller than 205/60R14 and 30 mm narrower, a 1.15% difference in overall diameter.

With the speedometer calibrated for 205/60R14, an indicated 60 mph is actually 60.7 mph on 175/65R15, and revolutions per mile change from 852 to 842.

175/65R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 205/60R14.

Size pages

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