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2021 Mazda Cx 5
Common Problems

Ranked from 63 federal NHTSA complaints. Every problem links to the complaint IDs behind it.

1
Safety
1
High severity
5
Medium
2
Low
1 problem on this vehicle involve a crash, fire, or injury risk. If you are experiencing one, stop driving and have it inspected.

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.

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  1. 1

    Engine Oil Consumption

    34complaints
    High severityEngine

    The engine is consuming excessive amounts of oil, often requiring frequent topping up.

    $400–$4,500est. oil-consumption repair (rings/pcv) · 314 hrs labor
    Get local quotes
  2. 2

    Engine Low Oil Light Issues

    16complaints
    Medium severityEngine

    The low oil light frequently illuminates despite recent oil changes, indicating potential internal oil consumption issues.

  3. 3

    Unintended Acceleration

    15complaints
    Safety riskOther

    The car has experienced sudden unintended acceleration incidents, posing a safety risk.

  4. 4

    Dashboard lights and engine failure

    5complaints
    Medium severityElectrical

    The dashboard lights illuminate unexpectedly, causing the engine to fail and the car to stop, often requiring towing.

    $4,000–$8,000est. engine replacement · 1220 hrs labor
    Get local quotes
  5. 5

    Air Bag Deployment Issues

    2complaints
    Medium severityElectrical

    The air bags deploy unexpectedly at low speeds or without a collision, posing a safety risk.

  6. 6

    Forward Collision Avoidance System Malfunctions

    2complaints
    Medium severityOther

    The forward collision avoidance system malfunctions, causing unintended acceleration and lane changes.

  7. 7

    Inconsistent operation of blind spot monitoring system

    2complaints
    Low severityElectrical

    The blind spot monitoring system does not consistently detect vehicles in the blind spots, leading to potential collision risks.

  8. 8

    Steering Wheel Vibrations and Jerking

    2complaints
    Medium severitySteering

    The steering wheel vibrates and jerks during turns, affecting vehicle control and stability.

  9. 9

    Windshield Defects

    2complaints
    Low severityOther

    The rear windshield frequently fractures without impact, causing vision obstruction.

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.

2021 Mazda Cx 5 Problems & Recalls | WrenchConnect