Comparison

215/55 R17 vs 225/55 R16

225/55 R16 drops the rim from 17 to 16 inches versus 215/55 R17, trading wheel size for taller sidewall. This alternative fitment shifts overall diameter slightly from OEM. More tread on the ground tends to improve dry grip and stance, with a small fuel-economy and clearance tradeoff.

Expect a slight but noticeable shift in indicated speed compared to the original tires. Diameter change stays inside the conservative ±3% safety window — an OEM-safe fitment on most vehicles.

TakeTypical choice for a dedicated winter or off-road setup where extra sidewall pays off.

Quick math: 225/55 R16 is 14.4 mm shorter than 215/55 R17, shifting the speedometer by -2.15%.

Current Tire

215/55R17

New Tire

225/55R16
215/55 R17
225/55 R16

Ground line · scaled comparison

Excellent Fit

Within ±3% — safe for daily driving

Diameter change

-14.4 mm

-2.15%

Speedometer at 100

97.8 km/h

-2.15% error

Ground clearance

-7.2 mm

ride height delta

Sidewall change

+5.5 mm

revs/km: 486.8

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Detailed comparison

Metric215/55 R17225/55 R16Difference
Overall diameter668.3 mm653.9 mm-14.4 mm (-2.15%)
Sidewall height118.3 mm123.8 mm+5.5 mm
Circumference2.100 m2.054 m-45.2 mm
Revs / km476.3486.8+10.5
Ground clearancereference-7.2 mm-7.2 mm
Speedometer @ 100 km/h100.0 km/h97.8 km/h-2.15 km/h

Verdict: excellent

Within ±3% — speedometer, ABS and traction control should behave normally.

Speedometer impact

At a true 100 km/h, your dashboard will read 97.8 km/h after switching to 225/55 R16 — a -2.15% offset. Use the speedometer error calculator to recheck for other indicated speeds, and the speedometer error guide for the full background.

Ground clearance change

The new tire's half-diameter changes ride height by -7.2 mm. Small differences are absorbed by suspension travel, but anything beyond ±10 mm can affect headlight aim, fender clearance and bump-stop margin. See the plus-sizing guide before committing.

Back to

215/55 R17

Back to

225/55 R16

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Frequently asked questions