2021 Mazda Cx 5
Common Problems
Ranked from 63 federal NHTSA complaints. Every problem links to the complaint IDs behind it.
9 Common Problems
Ordered by how often owners reported each one to NHTSA. The bar shows how common a problem is relative to the most-reported on this vehicle. Expand any problem to see the federal complaint IDs.
- 1
Engine Oil Consumption
34complaintsHigh severityEngineThe engine is consuming excessive amounts of oil, often requiring frequent topping up.
$400–$4,500est. oil-consumption repair (rings/pcv) · 3–14 hrs laborGet local quotes - 2
Engine Low Oil Light Issues
16complaintsMedium severityEngineThe low oil light frequently illuminates despite recent oil changes, indicating potential internal oil consumption issues.
- 3
Unintended Acceleration
15complaintsSafety riskOtherThe car has experienced sudden unintended acceleration incidents, posing a safety risk.
- 4
Dashboard lights and engine failure
5complaintsMedium severityElectricalThe dashboard lights illuminate unexpectedly, causing the engine to fail and the car to stop, often requiring towing.
$4,000–$8,000est. engine replacement · 12–20 hrs laborGet local quotes - 5
Air Bag Deployment Issues
2complaintsMedium severityElectricalThe air bags deploy unexpectedly at low speeds or without a collision, posing a safety risk.
- 6
Forward Collision Avoidance System Malfunctions
2complaintsMedium severityOtherThe forward collision avoidance system malfunctions, causing unintended acceleration and lane changes.
- 7
Inconsistent operation of blind spot monitoring system
2complaintsLow severityElectricalThe blind spot monitoring system does not consistently detect vehicles in the blind spots, leading to potential collision risks.
- 8
Steering Wheel Vibrations and Jerking
2complaintsMedium severitySteeringThe steering wheel vibrates and jerks during turns, affecting vehicle control and stability.
- 9
Windshield Defects
2complaintsLow severityOtherThe rear windshield frequently fractures without impact, causing vision obstruction.
Other years & sources
Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls. Problems are clustered and ranked from the complaint record; occurrence counts reflect corroborating complaints, not total incidence. Vehicle image is illustrative. Repair-cost figures are typical U.S. independent-shop ranges (parts + labor) for the class of repair shown — actual quotes vary by region, engine, and diagnosis; always confirm with a local shop.