Question 1

What is the diameter of a 205/55 R15 tire?

Accepted Answer

A 205/55 R15 tire has a nominal overall diameter of 607 mm (23.9 inches), a sidewall height of 113 mm and a rolling circumference of 1905 mm. These are nominal figures calculated from the size marking; actual dimensions vary by manufacturer, load and wear.

Question 2

What do the numbers in 205/55 R15 mean?

Accepted Answer

205 is the nominal section width in millimetres. 55 is the sidewall height expressed as a percentage of that width, giving a 113 mm sidewall. R denotes radial construction, and 15 is the wheel bead-seat diameter in inches — which is not the overall tire diameter.

Question 3

Which vehicles use 205/55 R15 tires?

Accepted Answer

The catalogue records this size on 4 vehicle configurations, including 2003 Volvo S40 1.9 Petrol Turbo Automatic 5-speed FWD, 2002 Volvo S40 1.9 Petrol Turbo Automatic 5-speed FWD, 2001 Volvo S40 1.9 Petrol Turbo Automatic 5-speed FWD, 2000 Volvo S40 1.9 Petrol Turbo Automatic 4-speed FWD. Always confirm the size against the vehicle placard before fitting.

Nominal section width	205 mm
Sidewall-to-width ratio	55%
Sidewall height	113 mm
Construction	R — radial
Wheel bead-seat diameter	15 inches
Overall diameter	607 mm (23.9 in)
Rolling circumference	1905 mm

205/55 R15 tire dimensions

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What 205/55 R15 means

Vehicles with 205/55 R15 tires