2006 Audi A4: Reliability Data

Source: NHTSA — 343 complaints
343
Total Complaints
60,500mi
Median Mileage
EXTERIOR LIGHTING
Top Issue
8
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

43,000 25th Percentile
60,500 Median Mileage
86,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING
158
AIR BAGS
73
ELECTRICAL SYSTEM
20
ENGINE
15
POWER TRAIN
8
UNKNOWN OR OTHER
7
VEHICLE SPEED CONTROL
7
POWER TRAIN:AUTOMATIC TRANSMISSION
6
FUEL/PROPULSION SYSTEM
5
ENGINE AND ENGINE COOLING
4

Severity Assessment

8
Crashes
5
Fires
5
Injuries
0
Deaths

Sample Complaint Reports

"2006 AUDI A4 2.0T, PARKED ON A HILL, PARKING BRAKE WAS ENGAGED AND CAR WAS IN GEAR. CAR ROLLED BACKWARDS INTO ANOTHER CAR. *NM"
"DT*: THE CONTACT STATED WHILE DRIVING 58 MPH ON ALL ROAD CONDITIONS, THERE WAS AN EXTREME VIBRATION PHYSICALLY FELT THROUGH THE STEERING WHEEL. THE VEHICLE WAS INSPECTED BY A DEALER WHO DETERMINED THE STEERING WAS DESIGNED TO PROVIDE ROAD FEEDBACK THROUGH THE STEERING VIBRATIONS. THE MANUFACTURER..."
"THE PROBLEM IS A STEERING WHEEL SHAKE THAT SETS UP A DISTRACTING VIBRATION AT SPEEDS BETWEEN 50-60 MPH. THE STRENGTH OF THE VIBRATION IS VARIED AS THE VIBRATIONS CAN BE STRONG OR WEAK AND AT TIMES, EVEN FEEL AS IF THEY ARE NOT THERE. THE DANGER IS THAT THERE DOESN'T SEEM TO BE AN ANSWER AS TO WHA..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28