2021 Mazda CX-5 maintenance schedule
Every service on the 2021 CX-5, with its interval and an estimated cost.
The 2021 Mazda CX-5 oil change interval is every 7,500 mi or 12 months, whichever comes first (estimated cost $35–$75). Engine Oil Flexible Maintenance (the U.S. default): replace the oil and filter when the wrench indicator light comes on, and at least once every 12 months or 7,500 miles since the last change. Reset the oil data after every change. Severe: with extended idling or low-speed operation (police car, taxi, driving school car) or dusty conditions, use fixed maintenance and replace every 5,000 miles or 6 months.
- Brake Inspection
- 7,500mi
- ≈ 12,000km
- 12 mo
- Tire Rotation
- 7,500mi
- ≈ 12,000km
- Cabin Air Filter
- 15,000mi
- ≈ 24,000km
- 24 mo
- Engine Coolant
- 120,000mi
- ≈ 193,000km
- 120 mo
Service intervals
From the 2021 Mazda CX-5 schedule.
| Service | Every | Est. Cost | Status |
|---|---|---|---|
| Engine Oil & FilterSafety itemEngine Oil Flexible Maintenance (the U.S. default): replace the oil and filter when the wrench indicator light comes on, and at least once every 12 months or 7,500 miles since the last change. Reset the oil data after every change. Severe: with extended idling or low-speed operation (police car, taxi, driving school car) or dusty conditions, use fixed maintenance and replace every 5,000 miles or 6 months. | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | $35–$75 | |
| Tire RotationSevere (Schedule 2): rotate every 5,000 miles. | 7,500 mi≈ 12,000 km | $25–$50 | |
| Engine Air FilterSevere (Schedule 2): replace every 30,000 miles or 36 months; in very dusty or sandy areas, clean and if necessary replace it more often. | 22,500 mi / 36 mo≈ 36,000 km / 36 mo | $40–$80 | |
| Cabin Air FilterSevere (Schedule 2): replace every 30,000 miles or 2 years. | 15,000 mi / 24 mo≈ 24,000 km / 24 mo | $30–$60 | |
| Spark PlugsSame interval under severe conditions. | 75,000 mi≈ 121,000 km | $100–$200 | |
| Spark Plugs (2.5 Turbo)Same interval under severe conditions. | 40,000 mi≈ 64,000 km | $100–$200 | |
| Engine CoolantFirst replacement at 120,000 miles or 10 years, then every 60,000 miles or 5 years. Mazda recommends FL-22 coolant; other coolant may seriously damage the engine and cooling system. Same interval under severe conditions. | 120,000 mi / 120 mo≈ 193,000 km / 120 mo | $100–$200 | |
| Drive Belt InspectionSevere (Schedule 2): inspect every 20,000 miles or 24 months. | 22,500 mi / 36 mo≈ 36,000 km / 36 mo | — | |
| Brake InspectionSafety itemInspect the disc brakes every 7,500 miles or 12 months, and the brake lines, hoses and connections every 15,000 miles or 24 months. Severe (Schedule 2): disc brakes every 5,000 miles or 6 months, plus the brake fluid level. | 7,500 mi / 12 mo≈ 12,000 km / 12 mo | — | |
| Steering & Suspension InspectionInspect steering operation and linkages, front and rear suspension, ball joints, wheel bearing axial play and driveshaft dust boots every 15,000 miles or 24 months (same under severe conditions). | 15,000 mi / 24 mo≈ 24,000 km / 24 mo | — |
≈ converted from the other unit and rounded.
Est. costs are US-typical, in USD.
- 0 Due now
- 0 Within 5,000 mi
- 0 Later
Ask Rev about my CX-5
GarageHub · Free · Your AI MechanicOpenThe 2021 Mazda CX-5 (KF) was sold in the US with a 2.5L SKYACTIV-G four-cylinder and a 2.5L SKYACTIV-G Turbo. This schedule follows Mazda's US flexible maintenance schedule: the oil is changed when the wrench indicator comes on, at least every 7,500 miles or 12 months, spark plugs are replaced at 75,000 miles (40,000 on the Turbo) and the coolant first at 120,000 miles or 10 years.
Common issues at higher mileage
- 60,000+ mi
- Front suspension clunking or creaking from worn lower control arm bushings; more common on turbo models due to added weight.
- 100,000+ mi
- Turbocharger carbon buildup on intake valves (2.5T models), causing rough idle and reduced power; direct injection engines are prone to this.
- 150,000+ mi
- Water pump failure from coolant corrosion; overheating and potential head gasket damage if not addressed immediately.
Common questions about the 2021 Mazda CX-5
How often does a 2021 Mazda CX-5 need an oil change?
The 2021 Mazda CX-5 oil change interval is every 7,500 mi or 12 months, whichever comes first (estimated cost $35–$75). Engine Oil Flexible Maintenance (the U.S. default): replace the oil and filter when the wrench indicator light comes on, and at least once every 12 months or 7,500 miles since the last change. Reset the oil data after every change. Severe: with extended idling or low-speed operation (police car, taxi, driving school car) or dusty conditions, use fixed maintenance and replace every 5,000 miles or 6 months.
What maintenance does a 2021 Mazda CX-5 need?
The services not to skip on a 2021 Mazda CX-5: engine oil & filter every 7,500 mi / 12 mo; brake inspection every 7,500 mi / 12 mo. The table above lists every service with its interval and an estimated cost.
What goes wrong on a Mazda CX-5 at higher mileage?
What owners report as the miles add up — 60,000+ mi: Front suspension clunking or creaking from worn lower control arm bushings; more common on turbo models due to added weight. 100,000+ mi: Turbocharger carbon buildup on intake valves (2.5T models), causing rough idle and reduced power; direct injection engines are prone to this. 150,000+ mi: Water pump failure from coolant corrosion; overheating and potential head gasket damage if not addressed immediately.
Keep this schedule for your CX-5
Log what you've done, get reminded what's next. Rev knows the intervals for your CX-5.