205/55R17 tire size

A 205/55R17 tire is 205 mm wide with a sidewall 55% of its width (112.8 mm), fits a 17-inch rim and has an overall diameter of 657 mm (25.9 in).

DimensionMetricImperial
Section width205 mm8.07 in
Sidewall height112.8 mm4.44 in
Rim diameter431.8 mm17 in
Overall diameter657.3 mm25.88 in
Circumference2,065.0 mm81.30 in
Revolutions484 per km779 per mile

Reading the size 205/55R17

205Width in mm55Aspect ratio (sidewall % of width)RRadial construction17Rim diameter in inches

The load index and speed rating (for example 91V) follow the size on the sidewall. Replacement tires should match or exceed the original load index and speed rating.

Alternative sizes within 3% of 205/55R17

A replacement size should stay within about 3% of the original diameter so the speedometer, ABS and transmission stay accurate. Always check clearance, load index and the vehicle manufacturer's approved sizes.

SizeDiameterDifferenceSpeedo reads 100 → actual
225/50R17657 mm-0.1%99.9Compare
225/45R18660 mm+0.4%100.4Compare
245/35R19654 mm-0.5%99.5Compare
225/55R16654 mm-0.5%99.5Compare
255/35R19661 mm+0.6%100.6Compare
245/40R18653 mm-0.6%99.4Compare
205/60R16652 mm-0.7%99.3
245/45R17652 mm-0.8%99.2

Compare 205/55R17 with any size →

Other 17-inch sizes

205/40R17205/45R17205/50R17215/40R17215/45R17215/50R17215/55R17215/60R17215/65R17225/45R17225/50R17225/55R17225/60R17225/65R17235/45R17235/55R17235/60R17235/65R17245/45R17245/65R17245/70R17245/75R17255/65R17255/70R17265/65R17265/70R17285/70R17315/70R17