| 1 | 0 | 3 | 4 | 3 | 4 |
Expensive Audi A8 / S8 repairs by problem area
Engine (35%)
Transmission and Drivetrain (4%)
Brakes and Traction Control (6%)
Suspension and Steering (29%)
Electrical and Air Conditioning (24%)
Paint, Rust, Leaks, Rattles, and Trim (1%)
Other (2%)
Chart based on 107 repairs.
Audi A8 / S8 repair cost distribution
$2500+ (37%)
$1000 - $2499 (63%)
$500 - $999 (0%)
$100 - $499 (0%)
< $100 (0%)
Chart based on 79 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
| 32000 mi US $2600 |
replace brake and rotors |
2014 Audi A8 / S8 4dr Sedan
turbocharged 520hp 4.0L V8 8-speed shiftable automatic AWD
| 58280 mi ¤4000 |
Malfunction in air intake system |
| 59520 mi ¤3000 |
Suspension Hydraulic failure |
2013 Audi A8 / S8 4dr Sedan, ext.
turbocharged 420hp 4.0L V8 8-speed shiftable automatic AWD
| 9000 mi US $3500 |
ABS failure light check engine light computer check for very abrupt gear shifting from second to third- could not find source of problem 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 |
Blower motor complete failure. Replaced. 3 days at dealer. Excessive engine oil loss. Dealer cannot find any faults at this time. Engine oil and filter changed. Logging details to monitor further oil loss. 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
| 78740 mi C $1200 |
Replace battery |
| 84196 mi C $325 |
Intermittent wipers repaired |
2012 Audi A8 4dr Sedan, ext.
372-horsepower 4.2L V8 8-speed shiftable automatic AWD
| 104000 mi US $1100 |
Check Engine Light came on. Took the vehicle to an Audi Dealer and the service tech ran a diagnostic on it. Results showed the PCV Valve was bad and needed to be replaced. |
2011 Audi A8 4dr Sedan, ext.
372-horsepower 4.2L V8 8-speed shiftable automatic AWD
| 32000 mi US $2775 |
Leaking seals |
2011 Audi A8 4dr Sedan
372-horsepower 4.2L V8 8-speed shiftable automatic AWD
| 79500 mi US $165 |
Rough idle at first start of the day, found carbon buildup...clened out throttle body and valves p |
| 97000 mi US $1200 |
Auto leveling fault in left head light |
2007 Audi A8
Engine not specified
| 111000 mi US $2000 |
Many problems. |
2007 Audi A8 / S8 4dr Sedan, ext.
350-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 51000 mi US $1200 |
Suspension compressor went bad. Headlight and tail light. |
| 104700 mi US $2800 |
Fuel injector went on bank 2. Dealer told me that they would refurbished the other 3 o rings. Next week the other injector went had to replace rest of them. |
| 109000 mi US $750 |
Front right lowering suspension sensor snapped. Had to replace. |
| 126000 mi US $1200 |
Upper control arms and sway bars. |
| 100000 mi US $424 |
replace battery |
| 101000 mi US $3462 |
Failure of high pressure fuel pump. Replaced fuel filters, all modules, in tank pumps, Mass Air Flow, breather valve |
| 128960 mi C $2000 |
New starter Oil level sensor replaced replaced o-rings in pneumatic suspension pump |
| 135160 mi C $360 |
new battery replaced |
| 135160 mi C $330 |
Failed thermostat under warranty and additional thermostat replaced since there was no cabin heat. |
| 116000 mi US $900 |
Replace air suspension motor/compressor. |
| 138000 mi US $1250 |
Mechanic noticed a water leak during routine service. R&R water pump assembly. |
| 95800 mi US $1450 |
Battery failed, replaced Bushings worn out |
2007 Audi A8 / S8 4dr Sedan
350-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 111000 mi US $1800 |
8 Fuel injectors replaced. Hose from manifold cracked during repair and part took 3 days to arrive due to snow storm. |
| 56200 mi US $1200 |
MMI had broken gear, would not come up all the way or close all the way. Made a clicking sound. |
| 70500 mi US $1600 |
TPMS monitor for 2 tires needed to replaced |
2006 Audi A8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 72000 mi US $3600 |
Front passenger directional light motor needed to be replaced. drain tubes where clogged Front driver side suspension air bag had a leak. |
| 83000 mi US $1500 |
Headlight motion |
| 100000 mi US $685 |
MMI Screen would not open. Replaced gear assembly |
| 103000 mi US $685 |
Check engine light revealed bank one and two oxygen sensors not operating correctly. Replaced and also changed oil and windshield wipers. |
| 109000 mi US $885 |
Replaced fuel sensor - second time for this issue - first time they replaced two air flow sensors. |
| 125000 mi US $1000 |
Problem with throttle body |
| 150200 mi US $330 |
Replaced sensor |
| 56000 mi US $2600 |
Thermostat, needs front end taken off $1100. So replaced timing belt and water pump while front already off,added $1500 |
| 81000 mi US $2691 |
replace front air shocks and shock motor compressor. |
| 92000 mi US $2400 |
Replaced drivers side upper control arm and other front end components. |
| 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 |
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 replaced door latch. Driver's door autoclose was not working. Dealer replace door latch |
| 76000 mi US $600 |
The radiator had a small leak and had to be replaced. This was done during the 75,000 service |
| 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. |
| 117500 mi US $2100 |
Suspension compressor was replaced |
| 120000 mi US $200 |
A/C has intermittently been failing. Despite tested and recharge, but doesn't know the underlying cause |
| 108000 mi US $650 |
Replaced Front and rear brake pads and well as driver's side rear caliper |
| 145000 mi US $3100 |
Timing belt replacement |
2006 Audi A8 4dr Sedan
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 153200 mi US $2000 |
Upper control arms and left front strut rebuild |
| 145000 mi US $1600 |
Stupid plastic pipe that connects the oil cooler and block |
| 170000 mi US $250 |
Fan Blower Replaced |
| 134000 mi US $100 |
Air compressor rebuild |
2005 Audi A8 4dr Sedan, ext.
450-horsepower 6.0L W12 6-speed shiftable automatic AWD
| 90520 mi C $400 |
Repaired parking brake motor. |
| 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. |
| 89000 mi US $2500 |
My MMI went out. Had to install new MMI brain. |
2005 Audi A8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 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 US $759 |
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. |
| 144500 mi US $3000 |
Timing Belt, Plugs, Discs, Pads and tires |
| 110000 mi US $400 |
Passenger side back-up light Bulb alone $40+ Trunk would not latch |
| 127500 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. |
| 56526 mi US $329 |
REPLACE MASS FLOW SENSOR |
| 56526 mi US $100 |
REPLACE MAF SENSOR ($652) (WARRANTY) $100 DEDUCTABLE |
| 57691 mi US $586 |
REPLACE INTAKE MANIFOLD GASKET ($896) REPLACE CRANK CASE VALVE ($242) CARBON CLEAN UP OF VALVES + AIR FILTER ($150) Insurance Paid Partial |
| 57691 mi US $1436 |
REPLACE MMI SCREEN MOTOR ($1436) WARRANTLY DID NOT COVER |
| 65457 mi US $258 |
REPLACE SPARE TIRE SENSOR (WARRANTY DID NOT COVER) REPLACE TRUNK MOTOR REPLACE TRUNK HINGES (damaged by motor) $793 Warranty paid minus $100 deductable. UPDATE NAV DATABASE |
| 68936 mi US $100 |
REPLACED EVAPORATIVE PURGE VALVE REPLACED BASE GASKET ON COMBI VALVE REPLACE CAT CONVERTOR BANK2 REPLACED BOTH VALVE COVER GASKETS REPLACE BASE GASKET ON COMBI VALVE (exhaust leak in Bank1) $441 $100 Deductable REPLACE EVAPORATIVE EMISSIONS PURGE VALVE $275 $100 DEDUCTABLE |
| 71870 mi US $196 |
OIL LEAKS: DRIVER SIDE CAM CAPS, VALVE COVER GASKETS (BANK 2). REPAIRED/REPLACED OIL LEAKS * DRIVER SIDE CAM CAPS * VALVE COVER GASKETS BANK 2 REPLACED/REPAIRED |
| 75000 mi US $100 |
TRUNK MOTOR FOR "PULL & SEAL", $100 INSURANCE DEDUCTABLE |
| 84800 mi US $780 |
BOTH FRONT AIR BAGS (AIR SPRINGS) $4200. INSURANCE PAID LESS $100 DEDUCTABLE. REPLACE BOTH FRONT SWAY BAR LINKS. Not covered by warranty. $780 (INSURANCE DID NOT PAY) REPLACE FRONT MOTOR MOUNT, $740. INSURANCE PAID LESS $100.00 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) OIL LEAK. REPLACED VALVE COVER GASKET. $314 (PARTS 80 LABOR 234) |
| 87800 mi US $479 |
OIL LEAK. SEAL ON BANK 1 FRONT SENSOR REPLACED. PARTS 11 LABOR 236 HEADLIGHT SWITCH REPLACED PARTS 250 LABOR 82 INSURANCE DEDUCTABLE 100 INSURANCE PAID 232 |
| 92600 mi US $1182 |
REPLACED HEADLAMP COOLANT TANK REPLACED |
| 95500 mi US $1826 |
upper link bushings replaced during 95,000 mile service. parts $136, labor $663. upper link bushings (front) replaced |
| 97900 mi US $773 |
REPLACED VALVE COVER AIR/FUEL RATION WAS OFF SINCE THE ABOVE WAS LEAKING REPLACED VALVE COVER AIR/FUEL RATION WAS OFF SINCE THE ABOVE WAS LEAKING |
| 98600 mi US $520 |
REPLACED ENGINE SPEED SENSOR REPLACED ENGINE SPEED SENSOR |
| 98700 mi US $7200 |
Car wouldn't start. Sensor on flywheel malfunctioned, sent bad signals to computer, overheating it, then car shut down. This took 7 months to diagnose and repair. Extended warranty paid $6170. Audi ate about $4,000 in unnecessary engine repairs. Sensor on flywheel malfunctioned. Transmission job done. This took 7 months to diagnose and repair. Sensor on flywheel malfunctioned. Transmission job done. This took 7 months to diagnose and repair. May through December 2014. |
| 153000 mi US $362 |
Driver headlight went out. Replaced element, still out. Replaced module, still out. Replaced ballast (exciter), worked. |
| 158000 mi US $700 |
Tranny was misbehaving. Paid $500 for transmission fluid and filter replacement, and was very pleasantly surprised to report that all issues were cured! I highly recommend this. 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. |
| 167000 mi US $3600 |
Heard a noise in top of engine. Pulled over, shut down. opened hood, started car and heard bad noise up top. Called AAA for 570 mile tow (Platinum plan OK!) Was cam timing chain tensioner piston. Did Timing belt and rollers at same time. |
| 192000 mi US $2000 |
Air compressor for shocks. Bought aftermarket unit for one third of Dealer price. $1,500. ABS control unit failed. Tried to have unit repaired, but unsuccessful. purchased used unit from salvage yard. my mechanic installed. Salvage yard re-programmed unit. Works properly, except some warning lights were unable to be cleared- Audi. $500. |
| 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. |
| 80000 mi US $5000 |
Entire suspension, front & rear |
| 99900 mi US $300 |
replace sun roof deflector motor |
| 101000 mi US $4250 |
coolant leak requiring engine removal to get to the leak |
| 104000 mi US $800 |
stuck heater control valve |
| 131000 mi US $225 |
cooling overflow tank leaking |
| 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 |
| 40000 mi US $500 |
replaced trunk lever mechanism and motor |
| 41000 mi US $200 |
drive belt replaced showed signs of wear |
| 48000 mi US $2200 |
dynamic suspension |
| 67500 mi US $500 |
bushing on control arm |
| 81600 mi US $700 |
leaking cylinder head gaskets causing burning smell |
| 83000 mi US $6300 |
Plastic connector for coolant into oil cooler leaking, required dropping engine to replace component. It's likely this was damaged when a faulty thermostat caused the engine to apparently overheat a year ago, fixed under warrantee. |
| 95300 mi US $310 |
right front xenon headlamp replaced. |
| 99000 mi US $300 |
left front xenon low beam bulb |
| 91000 mi US $1800 |
heater core clogged - low heat output |
| 109000 mi US $350 |
Joint near catalytic converter corroded and leaking, with load noise |
| 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 |
| 121000 mi US $400 |
valve cover gasket, attempted to fix by tightening bolts |
| 123000 mi US $1800 |
valve cover gasket replacement slippage detected in AT, rough shifts when cold - suspect fluid change needed but dealer recommended against saying it's a "lifetime part" ... |
| 120000 mi US $500 |
calipers were sticking |
| 87000 mi US $1600 |
Control arms and suspension bushings. |
| 96100 mi US $6000 |
Wheel bearings are known to corrode in the aluminum knuckles. Away bar end links were trashed. Soft close door modules failed in the back, on both sides. |
| 102500 mi US $2240 |
The front air suspension dropped and wouldn't raise. Both front air springs were actively leaking |
2005 Audi A8 4dr Sedan
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 106000 mi US $1100 |
Car was overheating. Diagnosed as a bad thermostat |
| 111000 mi US $2395 |
Engine oil cooler leaking coolant. Had to drop engine and transmission to get to the cooler. Dealer quoted $4000 for this repair. 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 Suspension light came on. Right front corner low. Had to replace front passenger side suspension air bag Center arm rest broken. Repair cost about $400 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. |
| 102700 mi US $3000 |
Leaking water pump and damaged timing belt. Also replaced worn tie rods. Amir at Suburban Audi took OUTSTANDING care of me with loaner car and more. |
| 113000 mi US $500 |
Replace LF suspension bushing |
| 119200 mi US $1000 |
replace right rear wheel bearing |
| 125800 mi US $1000 |
Bushings torn on upper control arms. Replaced bushings. |
| 160000 mi US $3000 |
All bushings in suspension needed replacement, plus sway bar. |
| 170000 mi US $1000 |
replace control arm |
| 109000 mi US $200 |
Retaining clips for electrical connectors to fuel injectors needed to be replaced. |
| 110000 mi US $250 |
ABS module failed. Battery was weak. |
| 116000 mi US $2000 |
Car gave yellow suspension light. All suspension options in MII are greyed out. Air compressor for suspension not outputting sufficient pressure to air suspension. Replaced compressor and relay. Yellow suspension light is gone. |
2004 Audi A8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| 96600 mi $15000 |
Noise at starting. Heads replaced and intake manifold replaced Front air spring failed twice |
| 43000 mi US $600 |
Had Water temperature sending unit replaced and cooling system evacuated. Performed this service in conjunction with 45K mile service. |
| 58500 mi US $1000 |
I replaced the upper control arms as the bushings had all cracked. I was only getting the typical creaking sounds from the bushings and no mechanical issues were evident at that time. The suspension operates as new subsequent to repair. |
| 70000 mi US $2500 |
Replaced upper and lower control arms with factory Audi parts. Suspension performance has been restored to "as new" condition. Time to complete repairs with Audi specialist was under two hours for upper and lower arm installation. |
| 97700 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 |
| 129000 mi US $1500 |
Leaking passenger shock. Replaced both sides and upper control arms as maintenance due to worn bushings |
| 48000 mi US $1658 |
Replaced Compressor, filter dryer, and hoses |
| 56000 mi US $1050 |
Water pump, thermostat, and coolant sensor. |
| 154000 mi US $2771 |
Thermostat field and replaced timing belt and water pump at the same time. |
| 85000 mi US $1300 |
Replaced all 4 control arms |
| 93000 mi C $200 |
exhaust flexible hose |
| 102900 mi C $934 |
Right wheel bearing started to fail. |
| 104780 mi C $100 |
Coolant overflow reservoir leak. Replaced. Two days as part had to be order. |
| 99440 mi C $141 |
Windshield wipers seize - due to aluminum corrosion. Require 1.5 hours of cleaning, no parts. |
| 112840 mi C $550 |
Sensor for rear timing chain tension defective and replaced. Trouble light came back on an hour after repair while on trip. Then went off for a few hours then on again. Haven't followed up as trouble light is steady but will have checked. |
| 113460 mi C $1800 |
First oxygen sensor replaced then fuel pump |
| 117800 mi C $1400 |
Fuel pump was malfunctioning. |
| 110000 mi US $1500 |
Replaced ABS module and front brakes |
| 125000 mi US $300 |
Replaced driver side front wheel bearing. |
| 130000 mi US $100 |
Replace the blower fan. |
| 135700 mi US $270 |
Replace rear wheel bearing |
| 145000 mi US $1200 |
Coolant leak: cracked nipple between the engine block and oil cooler. While in the shop, the starter failed and needed replacement. |
| 132500 mi US $150 |
Purchased and installed rebuilt air compressor for the air strut system. |
| 159000 mi US $700 |
Had to replace front passenger air strut assembly. |
| 102000 mi US $1500 |
Front brake pads replaced by owner at 99,000 miles. Battery was replaced at 101,000 miles by owner. At 102,000 miles timing belt, water pump, thermostat (preventive, failled three times previously) and serpertine belt replaced by independent shop. |
| 140000 mi US $2230 |
Water pump leak and timing off from previous independent shop doing timing belt job. Took to dealer and they recommended doing timing belt job over. Now car is running nice |
| 139000 mi US $200 |
Exhaust leak at the flex hose. |
| 144000 mi US $100 |
Passenger headlight out. |
| 154000 mi US $250 |
Passenger side electric parking brake motor stopped working Driver side front air suspension stopped working |
| 120000 mi US $580 |
Thermostat failure in closed mode. Also replace timing belt, water pump and associated rollers. |
| 128000 mi US $2300 |
Passenger front air strut (Audi calls it an air spring damper) was leaking. Suspension went into limp home mode with poor driveability. Car was low and tilted. |
| 162000 mi US $161 |
Engine Speed (RPM) sensor failed. Engine would not start until it had cooled down (took a couple of hours). Pulled fault code using a VW /Audi diagnostic interface (by Ross-Tech). |
| 198000 mi US $1200 |
Water pump (supplied by Blau Parts with 73,000 miles started to leak. So I did the timing belt replacement as well. Blau Parts timing bely had a tear and one strand of nylon cords severed. Now I used OEM parts from a dealer. Lesson learned. |
| 188700 mi US $750 |
Radiator replaced due to leak. |
| 217000 mi US $250 |
Replace Driver front wheel bearing and upper control arm suspension bushings. |
| 233000 mi US $310 |
Replace Sway bar & C-Links. Bushings bad, end stripped |
| 252000 mi US $100 |
Replace Upper COntrol Arm bushings. Rubber was shot/torn. |
| 260000 mi US $300 |
Erratic stalling. Passenger side fuel pump defective. Replaced with new VDO part. |
| 270000 mi US $250 |
Worn front pads & rotors replaced. Also one tie rod end that was rattling. |
2002 Audi A8 / S8 4dr Sedan
360-horsepower 4.2L V8 5-speed shiftable automatic AWD
| 145000 mi US $5200 |
Complete rebuild due to broken timing chain |
2001 Audi A8 / S8 4dr Sedan
360-horsepower 4.2L V8 5-speed shiftable automatic AWD
| 138000 mi US $2000 |
control arms replaced fuel pump replaced |
1999 Audi A8 4-door
8-cylinder automatic AWD
| 146320 mi C $1500 |
Leak in the Fuel tank, leaking on rear brakes passenger side. Fuel tank had to be replaced. |
| 145700 mi C $3000 |
Main ECU failed, engine shut off and wouldn't restart. This left car stranded in the middle of an intersection while I had to wave by the traffic and wait for a tow-truck.. |
| 145700 mi C $800 |
Piston sensor failed, would not allow car to start at random times. |
| 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. |
1998 Audi A8 4-door
12-cylinder automatic AWD
| 225000 mi US $1100 |
dash warning light for braking system and ABS was on. |
See TrueDelta's information for all Sedans
See TrueDelta's information for all Audi models.
