2001 Audi S4: Reliability Data

Source: NHTSA — 92 complaints
92
Total Complaints
59,500mi
Median Mileage
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Top Issue
5
Crash Reports

When Do Complaints Happen?

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

35,000 25th Percentile
59,500 Median Mileage
79,200 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
29
ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE
9
TIRES
9
ELECTRICAL SYSTEM
8
ENGINE AND ENGINE COOLING
6
ENGINE AND ENGINE COOLING:COOLING SYSTEM
4
SEATS
2
SEATS:FRONT ASSEMBLY:RECLINER
2
AIR BAGS
2
EXTERIOR LIGHTING:HEADLIGHTS
2

Severity Assessment

5
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"SEEMED TO BE A DEFECT AT THE VERY TOP OF THE SIDEWALL - 1 INCH SEPARATION( DOT NUMBER: TIRE SIZE: 225X45X17 )"
"BUBBLE ON THE INSIDE SIDEWALL. *AK( DOT NUMBER: TIRE SIZE: 225/45 17 )"
"I DROVE OVER A MINOR EXPANSION CRACK IN THE PAVEMENT AND SIDEWALL OF THE RIGHT REAR TIRE TORE. NEXT DAY, A DIFFERENT EXPANSION CRACK CAUSED SIMILAR DAMAGE IN THE LEFT REAR TIRE. (TIRESIZE: 225/45 R17)( DOT NUMBER: TIRE SIZE: 225/45 R17 )"

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