Motor oil for Mazda RX-8
Type the engine variant of your Mazda RX-8 to see the right engine oil and the manufacturer approvals.
Which engine do you drive?
Fuel and model year are enough - only the matching engines stay.
- (USA)2008–2011 · 156 kW / 212 hp · Petrol
- HP (USA)2008–2011 · 171 kW / 232 hp · Petrol
- RX-8 (141 kW)2006–2009 · 141 kW / 192 hp · Petrol
- RX-8 (158 kW)2006–2011 · 158 kW / 215 hp · Petrol
- RX-8 (170 kW)2006–2009 · 170 kW / 231 hp · Petrol
- (CAN)2005–2008 · 156 kW / 212 hp · Petrol
- (USA)2005–2008 · 156 kW / 212 hp · Petrol
- HP (CAN)2005–2008 · 171 kW / 232 hp · Petrol
The power is on your registration certificate, field P.2 (in kW).
17 characters, on the registration certificate part I under field E. In Poland the vehicle is looked up by VIN, not by number plate.
17 characters, on the registration certificate part I under field E. In Poland the vehicle is looked up by VIN, not by number plate.
Oils for Mazda RX-8
Fill quantity and viscosity by engine of the Mazda RX-8
| Engine | Model years | Viscosity | Fill quantity |
|---|---|---|---|
| (USA) | 2008–2011 | 5W-20 | 4.4 L |
| HP (USA) | 2008–2011 | 5W-20 | 4.4 L |
| (141 kW) | 2006–2009 | 0W-30, 10W-30, 10W-40, 10W-60, 15W-40, 15W-50, 20W-50, 5W-20, 5W-30, 5W-40 | 4.4 L |
| (158 kW) | 2006–2011 | 0W-30, 5W-30 | 3.5 L |
| (170 kW) | 2006–2009 | 0W-30, 10W-30, 10W-40, 10W-60, 15W-40, 15W-50, 20W-50, 5W-20, 5W-30, 5W-40 | 4.4 L |
| (CAN) | 2005–2008 | 5W-20 | 3.5 L |
| (USA) | 2005–2008 | 5W-20 | 3.5 L |
| HP (CAN) | 2005–2008 | 5W-20 | 3.5 L |
| HP (USA) | 2005–2008 | 5W-20 | 3.5 L |
| (CAN) | 2004–2005 | 5W-20 | 3.5 L |
| (USA) | 2004–2005 | 5W-20 | 3.5 L |
| HP (CAN) | 2004–2005 | 5W-20 | 3.5 L |
| HP (USA) | 2004–2005 | 5W-20 | 3.5 L |
| (141 kW) | 2003–2011 | 0W-30, 5W-30 | 3.5 L |
| (170 kW) | 2003–2006 | 0W-30, 10W-30, 10W-40, 10W-60, 15W-40, 15W-50, 20W-50, 5W-20, 5W-30, 5W-40 | 4.4 L |
| (CAN) | 2003–2004 | 5W-20 | 3.5 L |
| (USA) | 2003–2004 | 5W-20 | 3.5 L |
| HP | 2003–2011 | 0W-30, 5W-30 | 3.5 L |
| HP (177 kW) | 2003–2011 | 0W-30, 0W-40, 10W-30, 10W-40, 10W-60, 15W-40, 15W-50, 20W-50, 5W-20, 5W-30, 5W-40 | 4.4 L |
| HP (CAN) | 2003–2004 | 5W-20 | 3.5 L |
| HP (USA) | 2003–2004 | 5W-20 | 3.5 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 Mazda RX-8
| Fluid | Requirement |
|---|---|
| Manual gearbox & axle oil | 75W-80, 75W-90, API GL4, API GL4+ |
| Automatic transmission fluid (ATF) | Dexron III, ZF TE-ML 02F |
| Axle & differential oil | 75W-140, 85W-90, API GL5, DTFR 12B100 |
| Brake fluid | DOT 3, FMVSS 116 DOT 3 |
| Coolant & antifreeze | G12, G12+ |
| Power steering fluid | Allison TES 389, Caterpillar TO-2 |
Which viscosity does a Mazda RX-8 need?
We cover 21 engine variants of the Mazda RX-8. The most commonly approved grades are 5W-20, 0W-30, 5W-30 and 20W-50. Fill quantity ranges from 3.5 to 4.4 litres depending on the engine.
Which approvals does Mazda require?
Mazda publishes no approval of its own: what counts is the viscosity and the ACEA or API class in your owner's manual.
Mazda RX-8 engine variants
The oil finder covers these engine variants of the Mazda RX-8: RX-8 (USA) 2008–2011, RX-8 HP (USA) 2008–2011, RX-8 (141 kW) 2006–2009, RX-8 (158 kW) 2006–2011, RX-8 (170 kW) 2006–2009, RX-8 (CAN) 2005–2008, RX-8 (USA) 2005–2008, RX-8 HP (CAN) 2005–2008, RX-8 HP (USA) 2005–2008, RX-8 (CAN) 2004–2005, RX-8 (USA) 2004–2005, RX-8 HP (CAN) 2004–2005, RX-8 HP (USA) 2004–2005, RX-8 (141 kW) 2003–2011, RX-8 (170 kW) 2003–2006, RX-8 (CAN) 2003–2004, RX-8 (USA) 2003–2004, RX-8 HP 2003–2011, RX-8 HP (177 kW) 2003–2011, RX-8 HP (CAN) 2003–2004 and RX-8 HP (USA) 2003–2004. Your engine is not listed? Type your vehicle into the search above.