Problems · NHTSA complaints

2008 Audi A8 problems

Owners filed 8 complaints about the 2008 Audi A8 with NHTSA between Sep 2010 and Dec 2019. The most-cited component is air bags (3).

Complaints
8
Filed with NHTSA
Crashes
2
Reported by owners
Fires
0
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. Air bags3
  2. Power train2
  3. Vehicle speed control2
  4. Engine1
  5. Service brakes1
  6. Structure1

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
20101
20110
20120
20131
20140
20150
20162
20172
20181
20191

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

Air bags

3 reports1 crash
“TAKATA RECALL - I JUST RECEIVED WORK ONLINE THROUGH CREDIT KARMA THAT MY CAR HAS A RECALL ON IT DATING BACK TOWARDS 2016. I FINANCED THIS CAR IN 2015. THE CAR HAS BEEN FINE, FOR THE MOST PART ASIDE FROM SMALL ELECTRICAL ISSUES.. HOWEVER MY BIGGEST COMPLAINT SAYS THIS RECALL IS BECAUSE THE AIRBAGS ARE PRONE TO EXPLODING CAUSING METAL SHRAPNEL TO FLY AND CAUSE HEAVY DAMAGE AND POSSIBLY DEATH TO THE PEOPLE IN THE CAR. IN SOME CASES IT SEEMS THE AIRBAGS WILL NOT WORK AT ALL BECAUSE OF POSSIBLE HEAT RUINING THE PARTS THE CAUSE THE AIRBAG TO WORK.”
Owner complaint to NHTSAFiled Jun 4, 2018Air bagsODI 11099573

Power train

2 reports
“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…”
Owner complaint to NHTSAFiled Dec 31, 2017Power trainODI 11057729

Vehicle speed control

2 reports1 crash
“TL* THE CONTACT OWNS A 2008 AUDI A8. THE CONTACT STATED THAT THE VEHICLE HESITATED TO ACCELERATE AND THE BRAKE PEDAL FAILED TO RESPOND WHEN DEPRESSED. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOT NOTIFIED. THE VIN AND FAILURE MILEAGE WERE NOT AVAILABLE.”
Owner complaint to NHTSAFiled Sep 9, 2016Vehicle speed control, Service brakesODI 10905010

Engine

1 report
“TL* THE CONTACT OWNS A 2008 AUDI A8. WHILE THE VEHICLE WAS IN USE, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AUDI PITTSBURGH (2050 LIBERTY AVE, PITTSBURGH, PA 15222, (412) 245-4200) WHERE IT WAS DIAGNOSED THAT THE MASSIVE AIR FLOW SENSORS FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPLACED, BUT THE FAILURE RECURRED MULTIPLE TIMES WITH AN ABNORMAL VACUUM NOISE COMING FROM THE ENGINE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE FAILURE MILEAGE WAS APPROXIMATELY 119,000.”
Owner complaint to NHTSAFiled Dec 9, 2019EngineODI 11287905

Service brakes

1 report

Structure

1 report1 crash
“THE 2008 AUDI A8L WAS INVOLVED IN A ROLLING REAR-END COLLISION WHILE STARTING TO MOVE AT A STOP SIGN. VELOCITY WAS LESS THAN 5 MPH. MINOR COLLISION WITH NO DEPLOYMENT OF AIRBAGS AND NO DAMAGE TO THE CAR AHEAD. THE A8L DROVE NORMALLY AFTER THE COLLISION. INSPECTION AT THE BODY SHOP REVEALED STRESS FRACTURE AND BENDING OF THE FRAME. CAR WAS DECLARED A TOTAL LOSS. IT IS UNACCEPTABLE THAT A FULL SIZE PREMIUM SEDAN SHOULD SUFFER CATASTROPHIC FAILURE OF THE FRAME AT A LOW SPEED COLLISION. A HIGH SPEED COLLISION WOULD HAVE PROVIDED NO PROTECTION TO THE OCCUPANTS OF THE VEHICLE. MULTIPLE CONTACTS MADE WITH AUDI USA VIA UPS LETTER, EMAIL, TELEPHONE, TWITTER AND FACEBOOK. AUDI USA REFUSES TO PROVIDE ANY CRASH TEST DATA ON THE A8 WHICH IS VERY CONCERNING. I REQUEST THE NHTSA TO INVESTIGATE IF THIS CAR IS SAFE. *TR”
Owner complaint to NHTSAFiled May 25, 2013Air bags, StructureCrash reportedODI 10513552
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.