Alfa Romeo 166 tire and wheel sizes

The Alfa Romeo 166 was approved in Switzerland between 1998 and 2006 with tires from 195/65R15 to 235/40R18 on 15″, 16″, 17″, 18″ wheels. The most common sizes are 205/55R16, 215/55R16, 225/45R17.

Sizes differ by engine, trim and market. Confirm with the tire placard (usually on the driver's door jamb), the owner's manual or the vehicle registration papers before buying tires or wheels.

Most common sizes

Alfa Romeo 166 (1998–2006) type 936

21 approved versions, e.g. 166 3.0 V6 24V, 166 2.5 V6 24V, 166 2.0 TS, 166 2.4 JTD.

Tire sizeAxleLoad / speedRim and offsetVersions
195/65R15 Front & rear 91V 6.5Jx15 ET41 4
205/55R16 Front & rear 91W 6.5Jx16 ET36.5/41 21
215/55R16 Front & rear 93W 6.5Jx16 ET36.5, 7Jx16 ET41 21
225/45R17 Front & rear 90W 7.5Jx17 ET36.5/41 21
235/40R18 Front & rear 91Y 8Jx18 ET36.5 8

How to read this table

Rim and offset uses the European notation: 7Jx17 ET45 is a 7-inch wide, 17-inch diameter wheel with a 45 mm offset. "Versions" is how many approved versions list that size — a rough guide to how common it is. Load / speed is the most frequent service description (for example 91V) among them; your car may require a higher one.

Showing 21 of 21 approvals: rare special versions are left out to keep the page readable. Records were read from the German-language text and checked against the French text; 100 % matched exactly.

Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.