• Engine: Engine Code. A sequence of letters and numbers. This includes the engine block type and engine family, but may also include other information.
• Capacity: Capacity/Filter capacity in litres(liters). Engine oil fill quantity (Service fill).
• Intervals: Oil Change Intervals (use: normal). Engine oil should be changed at the latest after this time or after miles/km, whichever comes first.

The oil filter must be replaced every time the oil is changed, unless the car's owner's manual recommends otherwise.

	Engine	Capacity	Intervals
6 2.3 (USA) (2002 – 2004)	L3	4.3 / 0.4	7 500 miles/ 6 months
6 2.3 (CAN) (2002 – 2004)	L3	4.4 / 0.4	5 000 miles/ 4 months
6 2.3 (USA) (2004 – 2005)	L3	4.3 / 0.4	7 500 miles/ 6 months
6 2.3 (CAN) (2004 – 2005)	L3	4.4 / 0.4	5 000 miles/ 4 months
6 2.3 (MEX) (2005 – 2006)	L3	4.3 / 0.4	10 000 km/ 6 months
6 2.3 (USA) (2005 – 2008)	L3	4.3 / 0.4	7 500 miles/ 6 months
6 2.3 (CAN) (2005 – 2008)	L3	4.4 / 0.4	5 000 miles/ 4 months
6 2.3 (MEX) (2006 – 2007)	L3	4.3 / 0.4	10 000 km/ 6 months
6 2.3 (MEX) (2007 – 2008)	L3	4.3 / 0.4	10 000 km/ 6 months
6 3.0 (USA) (2002 – 2004)	AJ	5.2-5.7 / 0.5	7 500 miles/ 6 months
6 3.0 (CAN) (2002 – 2004)	AJ	5.2-5.7 / 0.5	5 000 miles/ 4 months
6 3.0 (USA) (2004 – 2005)	AJ	5.7 / 0.5	7 500 miles/ 6 months
6 3.0 (CAN) (2004 – 2005)	AJ	5.7 / 0.5	5 000 miles/ 4 months
6 3.0 (USA) (2005 – 2008)	AJ	5.7 / 0.5	7 500 miles/ 6 months
6 3.0 (CAN) (2005 – 2008)	AJ	5.7 / 0.5	5 000 miles/ 4 months
6 3.0 (MEX) (2005 – 2006)	AJ	5.7 / 0.5	10 000 km/ 6 months
6 3.0 (MEX) (2006 – 2007)	AJ	5.7 / 0.5	10 000 km/ 6 months
6 3.0 (MEX) (2007 – 2008)	AJ	5.7 / 0.5	10 000 km/ 6 months
Mazdaspeed6 (USA) (2005 – 2007)	MZR L3-VDT	5.7 / 0.4	7 500 miles/ 6 months
Mazdaspeed6 (CAN) (2005 – 2007)	MZR L3-VDT	5.7 / 0.4	5 000 miles/ 4 months