2006 Audi S4: Reliability Data

Source: NHTSA — 37 complaints
37
Total Complaints
47,697mi
Median Mileage
EXTERIOR LIGHTING
Top Issue
0
Crash Reports

When Do Complaints Happen?

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

33,510 25th Percentile
47,697 Median Mileage
62,850 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING
22
AIR BAGS
7
ELECTRICAL SYSTEM
4
STEERING:HYDRAULIC POWER ASSIST SYSTEM
1
POWER TRAIN:CLUTCH ASSEMBLY:BELL HOUSING
1
EQUIPMENT ADAPTIVE/MOBILITY
1
VISIBILITY
1

Severity Assessment

0
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"I LEASED ON BRAND NEW 2006 AUDI S4 ON JULY 29,2006. IN DECEMBER 14,2006 THIS CAR DEVELOPED A PROBLEM WITH THE POWER STEERING OF CAR. THE CAR WAS TAKEN TO THE DEALERSHIP FOR REPAIRS. THIS TOOK FOUR DAYS. TWO WEEKS LATER THIS CAR WAS TOWED TO THE DEALERSHIP FOR POWER STEERING PROBLEM. THIS TIME THEY R..."
"I LEASED ON BRAND NEW 2006 AUDI S4 ON JULY 29,2006. IN DECEMBER 14,2006 THIS CAR DEVELOPED A PROBLEM WITH THE POWER STEERING OF CAR. THE CAR WAS TAKEN TO THE DEALERSHIP FOR REPAIRS. THIS TOOK FOUR DAYS. TWO WEEKS LATER THIS CAR WAS TOWED TO THE DEALERSHIP FOR POWER STEERING PROBLEM. THIS TIME THEY R..."
"INTERMITTENT HEADLIGHT MALFUNCTION. OVER THE COURSE OF A YEAR AND A HALF OF OWNERSHIP, THE RIGHT HEADLIGHT HAS MALFUNCTIONED (TURNED OFF), WITH NO CONSISTENT CAUSE APPARENT. THE SPECIFIC ERROR MESSAGE THAT APPEARS IN THE DRIVER INFORMATION SCREEN IS "RIGHT HEADLIGHT DIPPED". THIS CONDITION IS BOT..."

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