NHTSA Federal Consumer Defect Registry
2024 Audi A4 Owner Complaints (2)
Analysis of 2 verified consumer complaints submitted to the National Highway Traffic Safety Administration (NHTSA). Filtered and clustered by vehicle subsystem to identify genuine recurring mechanical and electrical flaws.
Total Complaints
2
Defect Clusters
3 Categories
Avg Failure Range
22k mi
Est. Repair Cost
$950 – $3,200
Switch A4 Model Year Complaints
NHTSA Defect Subsystem Breakdown
2024 A4 Failure Distribution by Vehicle Subsystem
38%
26%
16%
12%
8%
Clustered Telemetry
Top Defect Complaint Groups (3)
ENGINE & COOLING1 Verified Complaints
Engine Stalling, Oil Consumption & Cooling Defect Reports
Reported Symptoms: Engine sudden stall / hesitation while driving, Abnormal oil burning / consumption, Check Engine Light (MIL) flashing, Engine overheating / coolant loss
ELECTRICAL SYSTEM & BATTERY1 Verified Complaints
Electrical Parasitic Drain, Infotainment & Harness Reports
Reported Symptoms: Unexplained battery drain after sitting overnight, Infotainment display / instrument cluster blackouts, Accessory malfunction / alternator fault warnings
AIRBAGS & SAFETY RESTRAINTS1 Verified Complaints
Airbag Occupant Detection & Inflator Defect Reports
Reported Symptoms: SRS Airbag warning lamp illuminated, Passenger occupant classification sensor failure, Seat belt retractor lockup