TireSizesFinder

215/45R16 vs 195/45R17

195/45R17 is 0.29 in (7.4 mm) taller than 215/45R16, a +1.23% diameter difference. With the speedometer set for 215/45R16, an indicated 60 mph is 60.7 mph on 195/45R17.

Is this a safe swap?

Diameter difference +1.23%: within the ±3% guideline

By overall diameter alone, 195/45R17 falls inside the ±3% range commonly used as a guideline when replacing 215/45R16. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 215/45R16 (23.62 in) vs 195/45R17 (23.91 in)215/45R1623.62 in × 8.46 in195/45R1723.91 in × 7.68 in
Side profile and tread width, drawn to the same scale.
215/45R16 vs 195/45R17 differences
Measurement215/45R16195/45R17Difference% diff
Overall diameter23.62 in (599.9 mm)23.91 in (607.3 mm)+0.29 in (+7.4 mm)+1.23%
Sidewall height3.81 in (96.8 mm)3.45 in (87.8 mm)−0.35 in (−9.0 mm)−9.30%
Section width8.46 in (215.0 mm)7.68 in (195.0 mm)−0.79 in (−20.0 mm)−9.30%
Circumference74.20 in (1,884.6 mm)75.11 in (1,907.9 mm)+0.92 in (+23.2 mm)+1.23%
Revolutions per mile854844−10−1.22%
True speed with the speedometer calibrated for 215/45R16
IndicatedActual on 215/45R16Actual on 195/45R17Difference
30 mph30.0 mph30.4 mph+0.4 mph
60 mph60.0 mph60.7 mph+0.7 mph
75 mph75.0 mph75.9 mph+0.9 mph

Ride-height change: 195/45R17 raises the vehicle by 0.15 in (3.7 mm) at the axle (half the +7.4 mm diameter difference).

195/45R17 is 0.29 in taller than 215/45R16 and 20 mm narrower, a 1.23% difference in overall diameter.

With the speedometer calibrated for 215/45R16, an indicated 60 mph is actually 60.7 mph on 195/45R17, and revolutions per mile change from 854 to 844.

195/45R17 mounts on a 17-inch wheel, a plus-1 fitment from the 16-inch wheel of 215/45R16.

Size pages

Other comparisons with 215/45R16

Other comparisons with 195/45R17

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