| 1 | 0 | 3 | 4 | 3 | 4 |
Audi A8 / S8 repairs by problem area
Engine (30%)
Transmission and Drivetrain (2%)
Brakes and Traction Control (4%)
Suspension and Steering (19%)
Electrical and Air Conditioning (33%)
Paint, Rust, Leaks, Rattles, and Trim (2%)
Other (9%)
Select a problem area
- Engine
- Transmission and Drivetrain
- Brakes and Traction Control
- Suspension and Steering
- Electrical and Air Conditioning
- Paint, Rust, Leaks, Rattles, and Trim
- Other
Chart based on 416 repairs.
Audi A8 / S8 electrical repair cost distribution
$2500+ (5%)
$1000 - $2499 (14%)
$500 - $999 (10%)
$100 - $499 (34%)
< $100 (37%)
Chart based on 121 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2015 Audi A8 / S8 4dr Sedan, ext.
turbocharged 435hp 4.0L V8 8-speed shiftable automatic AWD
| 31000 mi | Replaced screen and assembly under warranty |
2015 Audi A8 / S8 4dr Sedan
turbocharged 520hp 4.0L V8 8-speed shiftable automatic AWD
| 25000 mi | Front camera, part of surround view system, is intermittently faulty. Tech diagnosed as wiring harness, but will have to return car for a day or two for them to investigate fully. |
2014 Audi A8 / S8 4dr Sedan, ext.
supercharged 333hp 3.0L V6 8-speed shiftable automatic AWD
| 42100 mi | Replaced door latch for soft close. |
| 48200 mi | AC sensor was bad. |
2014 Audi A8 / S8 4dr Sedan
turbocharged 520hp 4.0L V8 8-speed shiftable automatic AWD
| 39680 mi ¤200 |
No air venting in right passenger side |
| 10900 mi | MMI audio module replaced. |
2013 Audi A8 / S8 4dr Sedan, ext.
turbocharged 420hp 4.0L V8 8-speed shiftable automatic AWD
| 9000 mi US $3500 |
check engine light passenger side window regulator replaced |
| 14700 mi US $8000 |
Compressor clutch replaced, wire harness replaced |
| 23900 mi US $766 |
Driver side seat heater failure- switch replaced |
| 21000 mi US $192 |
Run codes for check engine light. Cannot diagnose. Computer reset. |
2013 Audi A8 / S8 4dr Sedan
supercharged 333hp 3.0L V6 8-speed shiftable automatic AWD
| 58900 mi C $50 |
Mmi wire broken |
| 78740 mi C $1200 |
Replace battery |
| 79980 mi C $2500 |
MMI gears changed |
| 84196 mi C $325 |
Intermittent wipers repaired |
2012 Audi A8 4dr Sedan, ext.
372-horsepower 4.2L V8 8-speed shiftable automatic AWD
| 52200 mi | Electric sunshades stuck |
| 70000 mi US $369 |
ACC Brake guard system out of order. Needed to be realligned |
2011 Audi A8 4dr Sedan, ext.
372-horsepower 4.2L V8 8-speed shiftable automatic AWD
| 47000 mi | Heating uneven and temperature control not working properly. Dealer replaced vent housing and solenoid valve |
2011 Audi A8 4dr Sedan
372-horsepower 4.2L V8 8-speed shiftable automatic AWD
| 97000 mi US $1200 |
Auto leveling fault in left head light |
| 69400 mi | Backup camera replacement |
2009 Audi A8 / S8 4dr Sedan
350-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 620 mi | Adaptive headlight relay replaced |
2007 Audi A8 / S8 4dr Sedan, ext.
350-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 76500 mi | bulb out |
| 99200 mi | Car had begun doing strange things of an electrical nature. In retrospect, it was attempting to compensate for decline in battery strength. They diagnosed and replaced battery |
| 95800 mi US $1450 |
Battery failed, replaced |
| 51000 mi US $1200 |
Headlight and tail light. |
| 100000 mi US $424 |
replace battery |
| 128960 mi C $2000 |
New starter |
| 135160 mi C $360 |
new battery replaced |
2007 Audi A8 / S8 4dr Sedan
450-horsepower 5.2L V10 6-speed shiftable automatic AWD
| 60000 mi | Battery which was less than 10 months old needed replacement. Bad cells was diagnosis |
| 71000 mi US $100 |
Trunk Motor Front Right TPMS |
| 58280 mi C $550 |
MMI screen mechanism failed. |
| 60140 mi C $200 |
Bluetooth module stopped working |
| 300 mi | Power close on trunk intermttently not fully closing. |
2007 Audi A8 / S8 4dr Sedan
350-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 56200 mi US $1200 |
MMI had broken gear, would not come up all the way or close all the way. Made a clicking sound. |
| 68000 mi US $150 |
The electric trunk opening motor would not function correctly. I bought a used '08 trunk motor that is an upgrade from the previous models. Installed it myself. |
| 31000 mi US $192 |
Trunk motor replacement Window regulator MMI panel replacement- bad FM/AM button |
| 35400 mi US $100 |
Long crank no start, replaced fuel pump,car stalled a day later, replaced starter relays, car stalled a third time replaced starter and relays again bc they burnt out. |
| 41000 mi US $100 |
Replaced B&O tweeter Trunk motor replaced Brake light fault code, inner rear LED tail light faulty. |
| 47000 mi US $100 |
Dealer stated MAF sensor was defective, causing the car to stall out and not restart. |
| Troubleshoot vehicle lockup | |
| Troubleshoot electrical problem leading to vehicle lockup. | |
| Fix vehicle lockup; tighten bolt |
| 70500 mi US $1600 |
TPMS monitor for 2 tires needed to replaced |
| 152000 mi US $30 |
Brake light switch replaced to cure ABS/traction control malfunction and brake lights turning on by themselves during extremely cold weather |
2006 Audi A8
Engine not specified
| 54560 mi $200 |
Rear parking brake buzzer died, GOT replacement. |
| 64000 mi US $400 |
power trunk opener failed to raise trunk lid on its own. Lubricated hinge. |
| 71000 mi US $85 |
Power trunk motor failed and replaced. |
| 79000 mi | electric power trunk closure stopped working properly, brought car to dealer - dealer could not find problem. Trunk mysteriously operates properly again. |
2006 Audi A8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 56000 mi US $85 |
Tire pressure valve system. Three out of 5 (includes spare) reported failure. Still under extended warranty. This would have been$225.00 per valve replacement.Senders to Computer reports on dash until al are fixed.. |
| 83000 mi US $1500 |
Headlight motion |
| 72000 mi US $3600 |
Front passenger directional light motor needed to be replaced. drain tubes where clogged |
| 58000 mi US $49 |
Air Bag light came on. They found a loose connection under the drivers seat and repaired it. In a second attempt replaced the airbag. |
| 60000 mi US $489 |
3rd repair trying to determine why AIRBAG light comes on. This time they replaced a wiring harness |
| 63000 mi US $491 |
another wiring harness was replaced and that solved the issue automatic trunk would no longer open itself. I purchased and installed new struts, but that did not fix the issue. Dealer installed a new motor and the trunk works properly again. |
| 72725 mi US $424 |
Driver's door autoclose was not working. Dealer replace door latch |
| 77100 mi US $175 |
My wife hit a big pot hole and in addition to bending a rim, a gear in the MMI mechanism broke. I removed the mechanism, sent it to an individual for repair (Audi only replaces them) and reinstalled it. |
| 120000 mi US $200 |
A/C has intermittently been failing. Despite tested and recharge, but doesn't know the underlying cause |
| 113500 mi | Replaced burned out bulb |
| 48360 mi C $85 |
A/C was not cooling properly. Due to time and age system had to be recharged. This process solved the problem. |
| 65100 mi C $150 |
Replace one of the horns |
| 79280 mi C $335 |
Power Trunk was attempting to open but would fail and drop down closed after lifting a 1/2 inch. Changed Trunk lid struts. Did not fix the problem. Trunk did lift easier when doing manually but still will try to open but not. |
2006 Audi A8 4dr Sedan
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 170000 mi US $250 |
Fan Blower Replaced |
| 41000 mi | Airbag repair. |
| 45000 mi | Airbag repair. |
| 52000 mi | Rear sunscreen replaced. Airbag repair. Front windshield system repaired. Trim replaced. Middle armrest replaced. |
2006 Audi A8 4-door
turbocharged 8-cylinder diesel automatic AWD
| 93080 mi $60 |
Had to recharge the AC, cost me about 60EUR and seems to have fixed the problem permanently. |
| 112220 mi | Speedometer stopped working. Intermittent |
2005 Audi A8 4dr Sedan, ext.
450-horsepower 6.0L W12 6-speed shiftable automatic AWD
| 89000 mi US $2500 |
My MMI went out. Had to install new MMI brain. |
| 99820 mi C $1500 |
J518 acc/start auth module defective. (integrates the immobilizer system function and steering wheel lock mechanism). I was lucky it started, I was about to tow it. Problem was caused by a drain clog in the firewall. Water accumulated under the carpet and entered the access start module, creating corrosion. Module had to be replaced. |
2005 Audi A8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 66824 mi US $745 |
Driver window does not go full-down automatically when switch is pushed to 2nd click. Replaced master window switch assembly. Steering wheel MMI controls not working. Replaced shorted steering wheel MMI control switch |
| 110000 mi US $400 |
Passenger side back-up light Bulb alone $40+ |
| 135000 mi US $500 |
Headlights work intermittent. Dealership can not find a problem. Headlamps turn off while driving will not come back on. Wires connecting rear air big sensor failed |
| 127700 mi US $1100 |
Headlights become too dim at night to be able to drive after dark. Dealer quoted $4,000 to fix! Found replacement Hella units for $900 at carid.com, labor to install at Body Ship $200. |
| 104000 mi US $800 |
stuck heater control valve |
| 134000 mi US $250 |
heater fan sporadically failed. regulator replaced. |
| 141000 mi US $175 |
mmi screen hung up |
| 147000 mi US $450 |
heater fan malfunction |
| 47000 mi US $108 |
Tire pressure monitor failed. Sensor replaced. The entire unit must be replaced (about $200 each) after ~5 years. Stupid!! The lithium battery is identical to the cheap units in my watch. |
| 61200 mi US $40 |
Brake light switch faulty, replaced. |
| 105700 mi US $400 |
105,000 Service-Audio and MMI are not working properly. Dealer has not been able to diagnose or find problem. |
| 109000 mi | Two year old battery was replaced; battery control module was updated along with an MMI Zug update. Some MMI problems were solved but other problems in multifunction steering wheel cropped up. None of the controls on the multifunction work. I am waiting for steering wheel parts to come in. |
| 69000 mi US $600 |
Both MMI and GPS units replaced. |
| 59693 mi US $84 |
REPLACE INSTRUMENT CLUSTER (84) (Burned out dash lights across middle of dash) WARRANTY DID NOT COVER |
| 75000 mi US $100 |
TRUNK MOTOR FOR "PULL & SEAL", $100 INSURANCE DEDUCTABLE |
| 87000 mi US $100 |
BLOWER MOTOR REPLACED FOR A/C $641 (PARTS 299 LABOR 342) ONE WINDOW REGULATOR ASSEMBLY REPLACED $437 (PARTS 272 LABOR 165) |
| 87800 mi US $479 |
HEADLIGHT SWITCH REPLACED PARTS 250 LABOR 82 INSURANCE DEDUCTABLE 100 INSURANCE PAID 232 |
| 92300 mi US $1182 |
REPLACED HEADLAMP |
| 95300 mi US $310 |
right front xenon headlamp replaced. |
| 99000 mi US $300 |
left front xenon low beam bulb |
| 112000 mi US $800 |
started motor solenoid - once engine was warm it would not start - ended up replacing motor - which is complex since access meant engine support submember needed removal |
| 96100 mi US $6000 |
Soft close door modules failed in the back, on both sides. |
| 153000 mi US $362 |
Driver headlight went out. Replaced element, still out. Replaced module, still out. Replaced ballast (exciter), worked. |
| 158000 mi US $700 |
Also $200 to replace evaporator drain tubes, which had clogged. |
| 163000 mi US $1000 |
Alternator went out. Water cooled alternator purchased from Audi dealer($605) 3 hours labor. Also had oil change at same time. |
2005 Audi A8 4dr Sedan
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 91000 mi | TPMS sensors failed twice. Currently functioning. Dealer said TPMS batteries failed. Will replace for $50 under CPO warranty. |
| 96700 mi US $50 |
Replaced all five sensors. |
| 89000 mi US $50 |
Dealer Left Clean Air Sensor detached |
| 67000 mi US $675 |
Fully replace MMI screen mount due to failure to open and close correctly. Gears broken and switch that controls the start and stop of MMI motor faulty. Total cost including labor. |
| 110000 mi US $250 |
Battery was weak. |
| 88000 mi US $340 |
Tire Pressure monitor fault. System antenna replaced; however problem still exists |
| 93000 mi US $300 |
Outer driver door handle replaced -lock button failed and could not lock the car using the keyless system Had tire pressure monitoring system disabled. Complete repair would cost up to $1,500 so had mechanic disable the system |
| 96000 mi US $40 |
MMI system would not work and system could not be re-booted. Technician found a stuck button on the MMI controller |
| 81500 mi | Warning light for seat belt. Left rear seat belt tensioner igniter fault. Replaced left rear seat belt assembly. |
| 111000 mi US $2395 |
MMI display gear stripped. Qouted $960 to fix. I declined. Found replacement gear on internet, will do myself. TPMS system malfunction. TPMS sensors in wheels need to be replaced. Estimated cost $850. Found TPMS units on web for $46 each. Will have tire store replace. |
| 111300 mi US $200 |
TPMS sensors replaced. |
| 119000 mi US $1386 |
Check eng. light on. Was alternator problem. Need new WATER COOLED alternator Nav display making clunking noise on way up and way down. I bought a new gear on the internet for about $15. Repair took about 3 hours. Followed directions from the internet. Everything works great now. |
2004 Audi A8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 94000 mi | Infotainment system cutting in and out. |
| 37700 mi | TPMS tire pressure monitoring system malfunction. Dealer replaced three sensors under warranty. Purchased car used Oct.14 and car came with NY stater Lemon Law warranty so all issues are covered for thirty days through the dealer. |
| 43000 mi US $600 |
Had Water temperature sending unit replaced and cooling system evacuated. Performed this service in conjunction with 45K mile service. |
| 144000 mi US $100 |
Passenger headlight out. |
| 102300 mi C $40 |
Backup light but took 1.5 hours to diagnose get part and replace. Bulb comes as a module. Garage didnt charge labour! |
| 105000 mi US $600 |
Replaced parking sensor Replaced parking light |
| 185000 mi | Starter was acting intermittently. Diagnostics indicated faulty starter. I had an indy shop replace it as I did not have the time to do it myself. |
| 63828 mi US $93 |
Airbag light on. Driver knee airbags removed. Connection under driver's seat replaced. |
| 77838 mi US $903 |
MMI buttons stuck. Possible leak into unit. MMI control module replaced. |
| 48000 mi US $1658 |
Replaced Compressor, filter dryer, and hoses |
| 130000 mi US $100 |
Replace the blower fan. |
| 145000 mi US $1200 |
While in the shop, the starter failed and needed replacement. |
| 157000 mi | New battery installed at time of purchase |
| 171000 mi US $20 |
ventilation fan motor stopped |
| 174000 mi US $100 |
blower control intermittent... replaced with used unit |
| 101600 mi US $150 |
Warning lights on dash on initial startup. Battery control shutdown systems so car would start and keep running. Car was still dependable but minor systems like mmi display, auto headlights, garage opener etc would not operate until recharge |
2000 Audi A8 4dr Sedan
310-horsepower 4.2L V8 5-speed shiftable automatic AWD
| 177000 mi US $60 |
Recharged the AC regfrigerant. |
1999 Audi A8 / S8 4-door
8-cylinder automatic AWD
| 158720 mi C $3000 |
AC compressor failed, needed to be replaced. An operational AC compressor is required for the defogging / defrosting of the windshield, windows and rear window, so even in the cold, working AC is required if you want to be able to see where you are going. |
See TrueDelta's information for all Sedans
See TrueDelta's information for all Audi models.
