Problems · NHTSA complaints

2004 Audi A8L problems

Owners filed 20 complaints about the 2004 Audi A8L with NHTSA between May 2004 and Jan 2018. The most-cited component is visibility (6).

Complaints
20
Filed with NHTSA
Crashes
0
Reported by owners
Fires
2
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Visibility6
  2. Vehicle speed control5
  3. Electrical system4
  4. Service brakes2
  5. Suspension2
  6. Electronic stability control (esc)1
  7. Fuel/propulsion system1
  8. Equipment1
  9. Traction control system1
  10. Engine and engine cooling1
  11. Fuel system, gasoline1
  12. Parking brake1
  13. Latches/locks/linkages1
  14. Tires1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20044
20055
20061
20071
20082
20091
20102
20111
20120
20130
20140
20151
20161
20170
20181

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Visibility

6 reports
“THE WINDSHIELD WIPERS WILL STOP INTERMITTENTLY. THEY HAVE STOPPED DURING HEAVY RAIN ON AN EXPRESSWAY SEVERAL TIMES RESULTING IN A LOSS OF VISION. THE DEALERS COULD NOT GET THE PROBLEM TO REPEAT SO THEY SAID THAT THEY COULDN'T DO ANYTHING. I CALLED THE AUDI ADVOCATE PHONE LINE AND WAS TOLD THAT AUDI WOULD NOT ADDRESS THE ISSUE. THEN I WROTE AUDI AND ASK FOR A REFUND AND THE AUDI ADVOCATE RETURNED THE CALL AND MAINTAINED THE SAME RESPONSE. *TR”
Owner complaint to NHTSAFiled Jul 30, 2008VisibilityODI 10236405

Vehicle speed control

5 reports
“WHILE DRIVING AND/OR PARKING AND/OR PUTTING KEY IN IGNITION TO START MY VEHICLE ABS LIGHT; STABILIZATION; AND SPEEDOMETER SEEMS AS THOUGH BEING HACKED...SOMETIMES ESPECIALLY IN THE SUMMER WHEN TEMPERATURES REACH 100 DEGREES + MY HEATER IS HACKED ON AND MY INTERIOR OF THE VEHICLE IS LIFE THREATENING HOT!!! HAVE TO OPEN WINDOWS TO 100 DEGREES TEMPERATURE OUTSIDE...MY INTERIOR LIGHTS JUST COME ON AND DRAIN MY BATTERY....AND MY SOUND SYSTEM FLIPS OPEN AND MUSIC PLAYS WHEN IM IN MY HOUSE AND HAS SHUT OFF MY CAR AND WHILE DRIVING MY SOUND SYSTEM COMES ON AND MY RADIO IS REMOTELY CONTROLLED---HACKED BECAUSE MY STATIONS ARE SWITCHED IE. TUNED TO DIFFERENT STATIONS AND MY CDS ARE SCROLLED THROUGH THE TRACKS WITHOUT MY DOING SO....AND MY VEHICLE WAS HACKED FOR IT TO SPEED UP WHEN I WASNT ACCELORATING IN A WALMART PARKING LOT....THAT COULD HAVE INJURED MYSELF OR OTHERS..BUT I HIT THE BRAKES AND CUT MY CAR OFF IN A PARKING SPACE...MY SPEEDOMETER IS ALWAYS BEING HACKED THAT WHEN I DRIVING AT NO MATTER WHAT SPEED....ITS BEING HACKED TO READ 0 MILES AND THREATENS MY ABILITY TO KNOW MY SPEED AND IT SLOWS MY ENGINE PERFORMANCE...MY PARK BRAKE ENGAGES AND I HAVE TO CUT CAR OFF…”
Owner complaint to NHTSAFiled Jan 25, 2018Vehicle speed control, Electronic stability control (esc), Service brakesODI 11064890

Electrical system

4 reports2 fires
“DRIVER SMELLED SMOKE SHORTLY AFTER STARTING HIS VEHICLE AND DRIVING AWAY FROM HIS HOME. THE SMELL WAS OF PLASTIC, AND IT WAS ASSUMED FROM AN ELECTRICAL SHORT/FIRE. THE DRIVER STOPPED THE CAR AND INSPECTED THE ENGINE AREA. NO EVIDENCE OF FIRE, HOWEVER THE DRIVER TURNED BACK AND DROVE THE VEHICLE HOME. STRONG BURNING PLASTIC SMELL AGAIN AS THE VEHICLE WAS STOPPED. THE CABIN WAS FILLING WITH SMOKE. DRIVER OPENED THE TRUNK AS THE BATTERY WAS LOCATED IN THE RIGHT REAR SECTION OF THE TRUNK. SMOKE WAS EMANATING FROM THE BATTERY COMPARTMENT. A PLASTIC PANEL WAS REMOVED FOR INSPECTION. LOCATED DIRECTLY UNDER THE BATTERY WAS A PLASTIC MODULE IDENTIFIED AS TRW *334 GNOACDOBNC28U* AND STAMPED MADE IN MALAYSIA??. THE DEALER STATED THAT THE MODULE CONTROLS THE ELECTRIC PARKING BRAKE FOR THE CAR. INSPECTING THE UNIT, MULTIPLE WIRE LEADS THAT FEED THE E-BRAKE CONTROL UNIT HAD BURNED THROUGH, AS DID A PORTION OF THE E-BRAKE CONTROL UNIT. THE BODY AREA OF THE CAR NEAR THE UNIT WAS COVERED IN SOOT FROM THE ELECTRICAL FIRE. YEARS PRIOR, THE DRIVER HAD ISSUES WITH THE E-BRAKE, THE E-BRAKES FAILING TO RELEASE PROMPTING THE VEHICLE TO BE TOWED TO THE DEALER. AT THAT TIME THE SERVICE…”
Owner complaint to NHTSAFiled Mar 9, 2015Electrical system, Service brakesFire reportedODI 10693097

Service brakes

2 reports1 fire

Suspension

2 reports
“I OWN A 2004 AUDI A8 QUATRO, THIS MORNING THE CAR ACCELERATED ON IT'S OWN. THE DRIVER SEAT, STEERING WHEEL, AND THE CAR SUSPENSION ADJUSTED AUTOMATICALLY WHILE I WAS DRIVING IT AND IT WENT FROM 40MPH TO 150+ WITHOUT ME HAVING MY FOOT ON THE ACCELERATOR. FOR A MINUTE I THOUGHT I WAS GOING TO DIE. I SLOWLY STARTING PRESSING ON THE BRAKE PEDAL HOPING THE CAR WOULD NOT FLIP. IT TOOK ABOUT 2 TO 3 MINUTES FOR ME TO SLOW DOWN THE CAR. I PUT THE EMERGENCY BRAKE AND TURNED IT OFF. I TURNED IT BACK ON AND THE ENGINE WAS STILL ACCELERATED, IT SOUNDED IT LIKE THE ACCELERATOR WAS STUCK EVEN THOUGH THE CAR WAS ON PARK. *TR”
Owner complaint to NHTSAFiled Jan 28, 2011Suspension, Vehicle speed control, Equipment, Traction control systemODI 10379393

Electronic stability control (esc)

1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.