2021 Mazda Cx 9 Maintenance Schedule & Costs
Complete maintenance schedule for the 2021 Mazda Cx 9. See service intervals, costs, and DIY savings potential.
Annual Maintenance Costs
Estimated Annual Cost
$400 - $800
DIY Savings Potential
$300/year
The 2021 Mazda CX-9 requires critical oil changes every 7,500 miles or 6 months, with additional services like spark plugs and transmission fluid at 40,000 miles. Annual costs range from $400 to $800, and DIY efforts can save approximately $300 annually if performed safely.
Service Schedule
Oil Change
Every 7,500 miles / 6 months
$30 - $75
DIY: easy | critical
Tire Rotation
Every 7,500 miles / 6 months
$20 - $50
DIY: moderate | important
Brake Inspection
Every 7,500 miles / 6 months
$15 - $40
DIY: moderate | important
Cabin Air Filter Replacement
Every 15,000 miles / 12 months
$25 - $60
DIY: easy | recommended
Engine Air Filter Replacement
Every 22,500 miles / 18 months
$20 - $50
DIY: moderate | recommended
Spark Plug Replacement
Every 40,000 miles / 48 months
$250 - $450
DIY: difficult | important
Transmission Fluid Replacement
Every 40,000 miles / 48 months
$150 - $300
DIY: professional | important
Differential Fluid Replacement
Every 40,000 miles / 48 months
$100 - $200
DIY: professional | recommended
Coolant Flush
Every 120,000 miles / 120 months
$150 - $300
DIY: professional | important
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