2003 Mazda 6 transmission: CVT or automatic?
No. The 2003 Mazda 6 uses a 4-speed automatic, a 5-speed manual and a 5-speed automatic - none of its EPA-listed configurations has a CVT.
Key takeaways
- 4 EPA-certified configurations listed for the 2003 Mazda 6.
- No CVT here - use the automatic or manual transmission fluid your owner's manual specifies.
- The transmission can differ by engine and drive layout, so match your row by engine size.
| Engine | Transmission | EPA code | Drive |
|---|---|---|---|
| 2.3L 4-cylinder | 4-speed automatic | Automatic (S4) | FWD |
| 2.3L 4-cylinder | 5-speed manual | Manual 5-spd | FWD |
| 3.0L 6-cylinder | 5-speed automatic | Automatic (S5) | FWD |
| 3.0L 6-cylinder | 5-speed manual | Manual 5-spd | FWD |
Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.
Useful for the 2003 Mazda 6
Transmission fluidMatch the specification in your owner's manualShop fluid Fluid transfer pumpFor transmissions filled through a side plugShop pumps
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