2020 Honda Civic Si
Common Problems
Ranked from 89 federal NHTSA complaints. Every problem links to the complaint IDs behind it.
13 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
Forward Collision Avoidance System Malfunction
15complaintsHigh severityOtherThe forward collision avoidance system incorrectly activates the brakes, posing a risk of accidents in clear conditions.
- 2
Steering Wheel Sticking and Difficulty Steering
14complaintsMedium severitySteeringThe steering wheel sticks intermittently, making it difficult to steer, especially at high speeds or in wet conditions.
$200–$1,500est. power-steering / eps repair · 1–6 hrs laborGet local quotes - 3
Air Bag Deployment Malfunction
13complaintsHigh severityElectricalThe air bags deploy unexpectedly or fail to deploy when needed, increasing the risk of injury in a collision.
- 4
Air Conditioning System Failure
13complaintsMedium severityOtherThe air conditioning system fails to provide cold air, often due to refrigerant leaks or evaporator failure.
$800–$1,600est. a/c compressor replacement · 3–6 hrs laborGet local quotes - 5
Clutch Failure
12complaintsHigh severityTransmissionThe clutch in the vehicle starts slipping, causing the vehicle to lose power and stall.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotes - 6
Electrical System Malfunction
12complaintsMedium severityElectricalThe electrical system malfunctions, causing unexpected vehicle behavior such as unintended start-up or warning light issues.
- 7
Fuel Pump Issues
8complaintsHigh severityOtherThe fuel pump malfunctions, causing the engine to stall or fail to start, potentially leading to accidents.
$500–$1,100est. fuel pump replacement · 2–5 hrs laborGet local quotes - 8
Condenser and Evaporator Failure
4complaintsMedium severityOtherThe air conditioning system fails due to refrigerant leaks or contamination in the condenser and evaporator, leading to poor cooling performance.
$100–$600est. evap system repair · 0.5–3 hrs laborGet local quotes - 9
Recall Issues and Delayed Repairs
4complaintsMedium severityOtherRecalls for various issues are delayed, causing safety concerns and inconvenience for the owners.
- 10
Suspension Problems
4complaintsMedium severitySuspensionThe suspension causes the car to drift or pull to one side, affecting handling and stability.
$150–$1,200est. suspension diagnosis + repair · 1–5 hrs laborGet local quotes - 11
Electrical System Failure Causing Multiple Error Messages
2complaintsMedium severityElectricalThe car's electrical system started displaying multiple error messages shortly after leasing, indicating a potential module failure.
- 12
Engine Performance Issues
2complaintsMedium severityEngineThe engine experiences stalling or loss of power at highway speeds, requiring frequent restarts.
- 13
Unreliable Acceleration
2complaintsMedium severityOtherThe car loses power or fails to accelerate properly, especially at highway speeds, requiring frequent restarts.
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.