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
Follow the normal Mazda schedule for typical driving, with oil and filter changes at least every 7,500 miles or 12 months. The CX-9 uses a timing chain rather than a routine-replacement timing belt; severe driving conditions may require more frequent oil changes, inspections, and fluid services.
Service Schedule
Oil Change
Every 7,500 miles / 12 months
$60 - $120
DIY: easy | critical
Tire Rotation
Every 5,000 miles / 6 months
$25 - $60
DIY: moderate | important
Brake Inspection
Every 5,000 miles / 6 months
$0 - $60
DIY: moderate | critical
Engine Air Filter Replacement
Every 25,000 miles / 24 months
$30 - $80
DIY: easy | recommended
Cabin Air Filter Replacement
Every 15,000 miles / 12 months
$35 - $100
DIY: easy | recommended
Transmission Fluid Inspection and Service
Every 60,000 miles / 60 months
$180 - $350
DIY: difficult | recommended
Coolant Flush
Every 120,000 miles / 120 months
$150 - $275
DIY: moderate | important
Spark Plug Replacement
Every 40,000 miles / 48 months
$180 - $350
DIY: moderate | important
Timing Chain Inspection
Every 100,000 miles / 120 months
$200 - $500
DIY: professional | recommended
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