2002 Audi S4: Reliability Data

Source: NHTSA — 31 complaints
31
Total Complaints
26,361mi
Median Mileage
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
Top Issue
0
Crash Reports

When Do Complaints Happen?

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

17,817 25th Percentile
26,361 Median Mileage
44,937 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
8
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
5
ELECTRICAL SYSTEM
5
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
5
SEATS:FRONT ASSEMBLY:POWER ADJUST
3
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
2
ENGINE AND ENGINE COOLING:ENGINE
1
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS
1
EQUIPMENT
1

Severity Assessment

0
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"DRIVE'S SEAT EXPERIENCED A ROCKING MOTION WHEN VEHICLE ACCELERATED.CONSUMER SUSPECTED POSSIBLE SEAT FRAME DAMAGE.*AK"
"DRIVER'S SEAT EXPERIENCED A ROCKING MOTION WHEN VEHICLE ACCELERATED. OWNER SUSPECTED POSSIBLE SEAT FRAME DAMAGE.*AK"
"THE DRIVER'S SEAT EXPERIENCED A ROCKING MOTION WHEN THE VEHICLE ACCELERATED. THE CONSUMER SUSPECTED POSSIBLE SEAT FRAME DAMAGE. *AK THE SEAT WOULD ROCK FORWARD AND BACKWARD UPON ACCELERATION AND DECELERATION. THE DEALER REFUSED TO DO ANY FURTHER REPAIRS. THE PROBLEM GRADUALLY BECAME WORSE. T..."

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