Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Fiat Seicento 1.1 | 2001 | 40 kW | 1116 ccm | - | - |
| Fiat Seicento 1.1 | 2000 | 40 kW | 1114 ccm | - | - |
| Fiat Seicento 1.1 | 1999 | 40 kW | 1116 ccm | - | - |
| Fiat Seicento S | 1998 | 30 kW | 899 ccm | 140 km/h | 18 s |
| Fiat Seicento Sporting | 1998 | 41 kW | 1107 ccm | 143 km/h | - |
| Fiat Seicento Suite | 1998 | 41 kW | 1108 ccm | 150 km/h | 14.8 s |
| Fiat Siena | 2005 | 53 kW | 999 ccm | - | - |
| Fiat Siena | 2004 | 53 kW | 999 ccm | - | - |
| Fiat Siena | 2003 | 53 kW | 999 ccm | - | - |
| Fiat Siena 1.2 | 2003 | 45 kW | 1301 ccm | - | - |
| Fiat Siena 1.2 EL | 2008 | 89 kW | 1242 ccm | 159 km/h | 13.5 s |
| Fiat Siena 1.6 | 2003 | 74 kW | 1596 ccm | - | - |
| Fiat Siena 1.6 EL | 2008 | 75 kW | 1581 ccm | 184 km/h | 11.5 s |
| Fiat Siena 1.6 ELX | 2008 | 79 kW | 1581 ccm | - | 10.5 s |
| Fiat Siena 1.6 HL | 2005 | 93 kW | 1585 ccm | - | - |
| Fiat Siena 1.7 D | 2003 | 52 kW | 1747 ccm | - | - |
| Fiat Siena 1.7 TD EL | 2008 | 79 kW | 1697 ccm | 160 km/h | 16.3 s |
| Fiat Siena II 1.2 EL | 2007 | 54 kW | 1242 ccm | - | 13.5 s |
| Fiat Siena II 1.2 EL | 2006 | 54 kW | 1242 ccm | 164 km/h | 13.5 s |
| Fiat Siena II 1.6 EL | 2007 | 75 kW | 1581 ccm | 184 km/h | 11.5 s |
