Mazda 3 2.5T 2021+ Service & Fluid Specs
Fluid capacities, service intervals, and maintenance information for the 2021+ Mazda 3 Turbo AWD.
Engine Oil
With filter: 5.10 QT / 4.82 L
Without filter: 4.90 QT / 4.63 L
Spec: API SAE 5W-30 Engine Oil
Automatic Transmission Fluid
Capacity: 8.50 QT / 8.04 L
Spec: Mazda Genuine ATF A7 / ATF FZ
Note: Spec depends on cylinder deactivation application.
Rear Differential Gear Oil
Capacity: 0.37 QT / 0.35 L
Spec: Mazda Long Life Hypoid Gear Oil SG1
Transfer Case Fluid
Capacity: 0.37 QT / 0.35 L
Spec: Mazda Long Life Hypoid Gear Oil SG1
Engine Coolant
Hatchback engine: 7.90 QT / 7.47 L
Sedan engine: 8.30 QT / 7.85 L
Charge air cooler: 1.60–1.70 QT / 1.51–1.60 L
Spec: FL22 coolant where applicable.
Brake Fluid
Spec: SAE J1703 / FMVSS116 DOT 3
Note: Fill to line on reservoir.
Recommended Service Intervals
10,000 Miles
Inspect brake fluid, coolant level, disc brake system, drive belts, lighting system, and tire pressure.
Replace: Engine oil and filter
Rotate: Tires
20,000 Miles
Inspect brake lines, clutch fluid, coolant level, brakes, drive belts, suspension, steering, and tire pressure.
Replace: Engine oil and filter
Rotate: Tires
30,000 Miles
Inspect brake fluid, clutch fluid, coolant level, disc brake system, drive belts, lighting system, and tire pressure.
Replace: Air cleaner element, cabin air filter, engine oil and filter
Rotate: Tires
40,000 Miles
Inspect brake lines, clutch fluid, coolant level, driveline components, hoses, steering, suspension, and tire pressure.
Replace: Engine oil and filter, spark plugs
Rotate: Tires
50,000 Miles
Inspect brake fluid, clutch fluid, coolant level, disc brake system, drive belts, lighting system, and tire pressure.
Replace: Engine oil and filter
Rotate: Tires
60,000 Miles
Inspect brake lines, clutch fluid, coolant level, driveline components, suspension, steering, and tire pressure.
Replace: Air cleaner element, cabin air filter, engine oil and filter
Rotate: Tires
75,000 Miles
Replace: Spark plugs
80,000 Miles
Inspect brake lines, clutch fluid, coolant level, driveline components, hoses, steering, suspension, and tire pressure.
Replace: Engine oil and filter, spark plugs
Rotate: Tires
Important Note
This guide is provided for general reference only. Always verify specifications with your owner's manual, service manual, or Mazda dealer before performing maintenance.