Tire size meaning

215/55 R16

What the numbers on a 215/55 R16 tire actually mean — width, sidewall, construction and rim — explained in plain language with real-world driving context.

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Direct answer

What does 215/55 R16 mean?

215/55 R16 is a metric tire size: 215 mm wide, a sidewall 55% of that width (118 mm), radial construction, fitted to a 16-inch wheel. Overall diameter ≈ 643 mm.

215
Section width in mm (sidewall to sidewall).
55
Aspect ratio — sidewall is 55% of width (118 mm).
R
Radial construction — the modern layered build.
16
Wheel rim diameter in inches (406 mm).

Ø 643 mm · 25.31″ · 495 revs/km

Section width 215 mmSidewall 118 mmR16 (406 mm)Ø 643 mm (25.31″)

Dimensional breakdown

Section width
215 mm
Aspect ratio
55%
Sidewall height
118.3 mm
Rim diameter
16″ (406.4 mm)
Overall diameter
643 mm
Circumference
2.020 m
Revs per km
495
Construction
Radial (R)

What 215/55 R16 feels like on the road

A 215/55 R16 tire is a balanced touring-profile tire. With a sidewall of 118 mm, it offers a comfortable ride and good steering feel — the family-car sweet spot.

The 215 mm contact width provides strong dry and wet grip for sport and performance use. Combined with a 16-inch wheel, this size is most commonly found on mainstream hatchbacks, sedans and small crossovers.

At highway speed each tire completes about 495 revolutions per kilometre — the figure your speedometer and ABS were calibrated against if 215/55 R16 is the OEM specification.

Common alternatives to 215/55 R16

Sizes within ±3% overall diameter — generally safe swaps for speedometer accuracy and clearance. Click any size to open a full side-by-side comparison.

Driver feel · telemetry

What 215/55 R16 usually feels like

A driver-perspective read on this size — steering, comfort, highway stability and rough-road behavior.

Steering feel

Balanced, OEM-style response

A familiar OEM feel — predictable inputs without trade-offs.

Ride comfort

Comfortable daily ride

A balanced compromise — bumps muted, steering still precise.

Highway stability

Stable, fuss-free cruising

Plenty of grip for everyday highway driving with no nervous behavior.

Pothole comfort

Reasonable impact protection

Enough sidewall to protect the rim from typical urban hits.

Sporty vs OEM tone

Balanced everyday character

A factory-style balance between feel, comfort and grip.

Sidewall118 mm
Ø643 mm
Width215 mm
Revs/km495

Related tire sizes for 215/55 R16

Explore neighbouring sizes by intent — similar, wider, lower-profile, OEM-safe, or aggressive. Each link opens a full side-by-side comparison.

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Frequently asked questions