Fiat Seicento tire and wheel sizes
The Fiat Seicento was approved in Switzerland between 1998 and 2006 with tires from 165/55R13 to 175/50R14 on 13″, 14″ wheels. The most common sizes are 145/70R13, 155/65R13, 175/50R14.
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
Fiat Seicento (1998–2006) type 187
14 approved versions, e.g. Seicento 1.1, Seicento 1.1Sport, Seicento1.1Abarth, Seicento 900.
| Tire size | Axle | Load / speed | Rim and offset | Versions |
|---|---|---|---|---|
| 145/70R13 | Front & rear | 71T | 4.5Jx13 ET33, 5Jx13 ET33 | 13 |
| 155/60R13 | Front & rear | 73Q | 5Jx13 ET33, 5.5Jx13 ET27.5 | 1 |
| 155/65R13 | Front & rear | 73T | 4.5Jx13 ET33, 5Jx13 ET33 | 13 |
| 155/70R13 | Front & rear | 75T | 5Jx13 ET33/35, 5.5Jx13 ET5/27.5 | 7 |
| 165/55R13 | Front & rear | 70H | 5Jx13 ET33, 5.5Jx13 ET5/27.5 | 11 |
| 165/65R13 | Front & rear | 77Q | 4.5Jx13 ET36.5 | 1 |
| 165/70R13 | Front & rear | 79T | 4.5Jx13 ET36.5 | 1 |
| 175/50R14 | Front & rear | 74H | 5.5Jx14 ET36 | 13 |
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 14 of 14 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.