Mazda RX-8
Data verified by Nick Marchenko, PhD
The Mazda RX-8, produced from 2004 to 2011, features two engine options, both utilizing the unique 1.3L 13B-MSP Renesis rotary engine. For models from 2004 to 2008, the oil capacity is 3.7 quarts, while the later models from 2009 to 2011 require 4.6 quarts. Both engine options recommend a viscosity of 5W-20, ensuring optimal performance and protection under various driving conditions.
In addition to oil maintenance, it is crucial to monitor the coolant levels, with capacities of 10.4 quarts for the earlier models and 10.6 quarts for the later versions. Regular oil changes are essential for maintaining engine health, and adhering to the recommended specifications will help keep your RX-8 running smoothly and efficiently.
Mazda RX-8 Oil Capacity
| Engine | Oil Capacity | Viscosity | Coolant | Years |
|---|---|---|---|---|
| 1.3L 13B-MSP Renesis Wankel 13B The 1.3L 13B-MSP Renesis engine has a displacement of 1.3L Rotary. The power output is 235 hp. | 3.7 qt | 5W-20 | 10.4 qt | 2008, 2007, 2006, 2005, 2004 |
| 1.3L 13B-MSP Renesis Wankel 13B The 1.3L 13B-MSP Renesis engine has a displacement of 1.3L Rotary. The power output is 235 hp. | 4.6 qt | 5W-20 | 10.6 qt | 2011, 2010, 2009 |
Mazda RX-8 – Frequently Asked Questions
How many quarts of oil does the Mazda RX-8 take?
The Mazda RX-8 oil capacity varies by engine: 1.3L 13B-MSP Renesis: 3.7 qt; 1.3L 13B-MSP Renesis: 4.6 qt. Always confirm the exact capacity for your specific engine before an oil change.
What type of oil does the Mazda RX-8 use?
The Mazda RX-8 uses 5W-20 engine oil across all its engine variants. Full synthetic oil meeting API/ILSAC specifications is strongly recommended for optimal engine protection and performance.
What is the coolant capacity of the Mazda RX-8?
The coolant capacity for the Mazda RX-8 varies by engine: 1.3L 13B-MSP Renesis: 10.4 qt; 1.3L 13B-MSP Renesis: 10.6 qt. Use the coolant specification listed in the owner's manual for your engine variant.
What type of oil does the Mazda RX-8 use?
The Mazda RX-8 uses 5W-20 viscosity oil for both of its engine options, ensuring optimal performance and protection.
How many quarts of oil does the Mazda RX-8 take?
The oil capacity for the 2004-2008 Mazda RX-8 models is 3.7 quarts, while the 2009-2011 models require 4.6 quarts.
How often should I change oil in a Mazda RX-8?
It's recommended to change the oil in your Mazda RX-8 every 5,000 to 7,500 miles, or at least once a year, depending on driving conditions.
What is the coolant capacity of the Mazda RX-8?
The coolant capacity for the 2004-2008 Mazda RX-8 is 10.4 quarts, while the 2009-2011 models have a slightly higher capacity of 10.6 quarts.
Does the Mazda RX-8 need synthetic oil?
While the Mazda RX-8 can run on conventional oil, using synthetic oil is recommended for better performance and engine protection.
What happens if I use the wrong oil viscosity in my Mazda RX-8?
Using the wrong oil viscosity can lead to inadequate lubrication, increased engine wear, and potential overheating, which can damage the rotary engine.
What is an oil life monitor and how does it work?
An oil life monitor tracks the engine's operating conditions and usage to determine when an oil change is necessary, helping maintain optimal engine performance.
Can I mix synthetic and conventional oil?
While it is technically possible to mix synthetic and conventional oils, it is not recommended as it can reduce the effectiveness of the oil and its protective properties.
How do I know if my Mazda RX-8 has an oil leak?
Signs of an oil leak include oil spots under the vehicle, a burning oil smell, or a drop in oil levels without explanation.
What causes excessive oil consumption?
Excessive oil consumption in the RX-8 can be caused by worn seals, piston rings, or other internal engine issues, often requiring inspection by a professional.
Should I check my oil when the engine is hot or cold?
It is best to check your oil when the engine is warm but not hot, as this allows for a more accurate reading of the oil level.
What is the difference between an oil change and a flush?
An oil change involves draining the old oil and replacing it with new oil, while a flush cleans out the engine's oil passages and removes sludge, often done less frequently.