Categories
Suitable for Opel Astra G Classic II
For the Opel Astra G Classic II, the manufacturer specifies motor oil 5W-30 (ACEA A3, ACEA B4, ACEA C2) or 5W-40 (ACEA A3, ACEA B4, ACEA C3). All 3 engine variants of the Opel Astra G Classic II take the same oils, so the selection below applies to every one of them.
Fill quantity and viscosity by engine of the Opel Astra G Classic II
| Engine | Model years | Viscosity | Fill quantity |
|---|---|---|---|
| 1.4 16V | 2004–2009 | 5W-30, 5W-40 | 3.5 L |
| 1.6 16V | 2004–2009 | 5W-30, 5W-40 | 4 L |
| 1.7 CDTi | 2004–2009 | 5W-30, 5W-40 | 4.5 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 Opel Astra G Classic II
| Fluid | Requirement |
|---|---|
| Automatic transmission fluid (ATF) | 75W-80, API GL3+ |
| Axle & differential oil | 75W-80, GM 1940764, GM 1940768 |
| Brake fluid | GM Europe GMW 3356, FMVSS 116 DOT 3 |
| Coolant & antifreeze | G12, G12+ |
| Power steering fluid | ZF TE-ML 02K |
Which viscosity does a Opel Astra G Classic II need?
We cover 3 engine variants of the Opel Astra G Classic II. The most commonly approved grades are 5W-30 and 5W-40. Fill quantity ranges from 3.5 to 4.5 litres depending on the engine.
Which approvals does Opel require?
Opel publishes no approval of its own: what counts is the viscosity and the ACEA or API class in your owner's manual.
Opel Astra G Classic II engine variants
The oil finder covers these engine variants of the Opel Astra G Classic II: Astra G Classic II 1.4 16V 2004–2009, Astra G Classic II 1.6 16V 2004–2009 and Astra G Classic II 1.7 CDTi 2004–2009.


























