215/40R17 tire size

A 215/40R17 tire is 215 mm wide with a sidewall 40% of its width (86.0 mm), fits a 17-inch rim and has an overall diameter of 604 mm (23.8 in).

DimensionMetricImperial
Section width215 mm8.46 in
Sidewall height86.0 mm3.39 in
Rim diameter431.8 mm17 in
Overall diameter603.8 mm23.77 in
Circumference1,896.9 mm74.68 in
Revolutions527 per km848 per mile

Reading the size 215/40R17

215Width in mm40Aspect 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 215/40R17

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
185/60R15603 mm-0.1%99.9Compare
175/70R14601 mm-0.5%99.5Compare
175/65R15608 mm+0.8%100.8Compare
205/50R16611 mm+1.3%101.3Compare
185/65R14596 mm-1.3%98.7Compare
205/40R17596 mm-1.3%98.7Compare
195/55R15596 mm-1.4%98.6Compare
185/70R14615 mm+1.8%101.8

Compare 215/40R17 with any size →

Other 17-inch sizes