TireSizesFinder

235/60R16 vs 215/60R17

215/60R17 is 0.06 in (1.4 mm) taller than 235/60R16, a +0.20% diameter difference. With the speedometer set for 235/60R16, an indicated 60 mph is 60.1 mph on 215/60R17.

Is this a safe swap?

Diameter difference +0.20%: under 1%

By overall diameter alone, 215/60R17 is a near match for 235/60R16; 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: 235/60R16 (27.10 in) vs 215/60R17 (27.16 in)235/60R1627.10 in × 9.25 in215/60R1727.16 in × 8.46 in
Side profile and tread width, drawn to the same scale.
235/60R16 vs 215/60R17 differences
Measurement235/60R16215/60R17Difference% diff
Overall diameter27.10 in (688.4 mm)27.16 in (689.8 mm)+0.06 in (+1.4 mm)+0.20%
Sidewall height5.55 in (141.0 mm)5.08 in (129.0 mm)−0.47 in (−12.0 mm)−8.51%
Section width9.25 in (235.0 mm)8.46 in (215.0 mm)−0.79 in (−20.0 mm)−8.51%
Circumference85.14 in (2,162.7 mm)85.32 in (2,167.1 mm)+0.17 in (+4.4 mm)+0.20%
Revolutions per mile744743−2−0.20%
True speed with the speedometer calibrated for 235/60R16
IndicatedActual on 235/60R16Actual on 215/60R17Difference
30 mph30.0 mph30.1 mph+0.1 mph
60 mph60.0 mph60.1 mph+0.1 mph
75 mph75.0 mph75.2 mph+0.2 mph

Ride-height change: 215/60R17 raises the vehicle by 0.03 in (0.7 mm) at the axle (half the +1.4 mm diameter difference).

215/60R17 is 0.06 in taller than 235/60R16 and 20 mm narrower, a 0.20% difference in overall diameter.

With the speedometer calibrated for 235/60R16, an indicated 60 mph is actually 60.1 mph on 215/60R17, and revolutions per mile change from 744 to 743.

215/60R17 mounts on a 17-inch wheel, a plus-1 fitment from the 16-inch wheel of 235/60R16.

Size pages

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