1999 Audi A6: Reliability Data

Source: NHTSA — 276 complaints
276
Total Complaints
80,000mi
Median Mileage
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
Top Issue
14
Crash Reports

When Do Complaints Happen?

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

59,632 25th Percentile
80,000 Median Mileage
106,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
17
ELECTRICAL SYSTEM
17
VEHICLE SPEED CONTROL
14
FUEL SYSTEM, OTHER
11
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
10
STEERING:LINKAGES:TIE ROD ASSEMBLY
10
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
9
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
8
ENGINE AND ENGINE COOLING:ENGINE
7
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
7

Severity Assessment

14
Crashes
23
Fires
16
Injuries
2
Deaths

Sample Complaint Reports

"VEHICLES LOW BEAM PROJECTION LAMPS ARE SO NARROW THAT THERE IS LITTLE LIGHT TO ILLUMINATE ROAD SURFACES RESULTING IN POOR VISIBILITY. DEALER ADJUSTED THE LOW BEAMS UP, THAT ADJUSTMENT RAISED THE HIGH BEAMS AS WELL AND NOW THE HIGH BEAMS ARE OFF THE ROAD."
"CANNOT SEE ANY INSTRUMENT DUE TO WINDSHIELD ANGLE TRANSMITTING SUNLIGHT INTO VEHICLE,UNABLE TO DETERMINE SPEED ETC. OK AT NIGHT. *AK"
"DEAR GENTLEMEN: THIS IS A CAUSE FOR SERIOUS CONCERN. THE DESIGN OF AUDI A6'S FRONT BUMPER IS FLAWED. IT IS EXTREMELY LOW, AND WHEN YOU PARK THE BOTTOM PART OF THE BUMPER GETS STUCK IN THE CONCRETE SLAB PLACED IN PARKING LOTS. SLOWLY THE BUMPER STARTS TO SEPARATE FROM THE REST OF THE BODY. IF THIS HA..."

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