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Suitable for Fiat Seicento
For the Fiat Seicento, the manufacturer specifies motor oil 10W-40 (ACEA A3, ACEA A3/B3, ACEA B3) or 5W-30 (ACEA A1, ACEA A5/B5, ACEA B1). All 2 engine variants of the Fiat Seicento take the same oils, so the selection below applies to every one of them.
Fill quantity and viscosity by engine of the Fiat Seicento
| Engine | Model years | Viscosity | Fill quantity |
|---|---|---|---|
| 1100 | 1998–2005 | 10W-40, 5W-30 | 3.5 L |
| 900 | 1998–2005 | 10W-40, 5W-30 | 3.8 L |
Fill quantity including an oil filter change, taken from our vehicle data. The change interval is set by your service book, not by the oil.
Other fluids for the Fiat Seicento
| Fluid | Requirement |
|---|---|
| Axle & differential oil | 75W-90, API GL5, MIL-L 2105 C |
| Brake fluid | FMVSS 116 DOT 3, FMVSS 116 DOT 4 |
| Coolant & antifreeze | G11, G12 |
Which viscosity does a Fiat Seicento need?
We cover 2 engine variants of the Fiat Seicento. The most commonly approved grades are 10W-40 and 5W-30. Fill quantity ranges from 3.5 to 3.8 litres depending on the engine.
Which approvals does Fiat require?
Fiat runs its own approvals in the 9.55535 series - which one applies depends on your engine and is stated in the owner's manual. An oil without the right approval can cost you your warranty claims.
Fiat Seicento engine variants
The oil finder covers these engine variants of the Fiat Seicento: Seicento 1100 1998–2005 and Seicento 900 1998–2005.






































