TireSizesFinder

215/70R15 vs 215/60R17

215/60R17 is 0.31 in (7.8 mm) taller than 215/70R15, a +1.14% diameter difference. With the speedometer set for 215/70R15, an indicated 60 mph is 60.7 mph on 215/60R17.

Is this a safe swap?

Diameter difference +1.14%: within the ±3% guideline

By overall diameter alone, 215/60R17 falls inside the ±3% range commonly used as a guideline when replacing 215/70R15. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 215/70R15 (26.85 in) vs 215/60R17 (27.16 in)215/70R1526.85 in × 8.46 in215/60R1727.16 in × 8.46 in
Side profile and tread width, drawn to the same scale.
215/70R15 vs 215/60R17 differences
Measurement215/70R15215/60R17Difference% diff
Overall diameter26.85 in (682.0 mm)27.16 in (689.8 mm)+0.31 in (+7.8 mm)+1.14%
Sidewall height5.93 in (150.5 mm)5.08 in (129.0 mm)−0.85 in (−21.5 mm)−14.29%
Section width8.46 in (215.0 mm)8.46 in (215.0 mm)0.00 in (0.0 mm)0.00%
Circumference84.35 in (2,142.6 mm)85.32 in (2,167.1 mm)+0.96 in (+24.5 mm)+1.14%
Revolutions per mile751743−8−1.13%
True speed with the speedometer calibrated for 215/70R15
IndicatedActual on 215/70R15Actual on 215/60R17Difference
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: 215/60R17 raises the vehicle by 0.15 in (3.9 mm) at the axle (half the +7.8 mm diameter difference).

215/60R17 is 0.31 in taller than 215/70R15 and the same width, a 1.14% difference in overall diameter.

With the speedometer calibrated for 215/70R15, an indicated 60 mph is actually 60.7 mph on 215/60R17, and revolutions per mile change from 751 to 743.

215/60R17 mounts on a 17-inch wheel, a plus-2 fitment from the 15-inch wheel of 215/70R15.

Size pages

Other comparisons with 215/70R15

Other comparisons with 215/60R17

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