@ jaapv
One vendor says: Suitable for MITSUBISHI OUTLANDER with 16″, 17″, 18″, 19″ factory fitted wheels. This seems unlikely.
Another offers for a 225/55R18 original, a Space saver option of 165/80R17, which it says is a + 1.1% difference.
Overall diameter for the 165/80R17 = 27.4” INCHES...