2004 Audi A8 / S8 Problems and Repair Histories
2004 Audi A8 / S8 problems reported via the Car Repair History and Car Reliability Surveys
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Audi A8 / S8
2004 Audi A8 / S8s for which no problems have been reported are not displayed. So the 2004 Audi A8 / S8 problems and repair histories you see here should not be used to infer car problem frequency.
For 2004 Audi A8 / S8 problem frequency, check the Car Reliability Survey result. For the problems behind the score, check the 2004 Audi A8 / S8 problems and repair histories that follow it.
Audi A8 / S8 Reliability through December 31, 2012
General NotesModels and statistics marked with an asterisk (*) have very low sample sizes. These results, visible only to logged-in members, provide only a rough estimate of car reliability.Any result under 20 repair trips per 100 cars is likely a result of the small sample size, and should be expected to increase to 20 or so in future updates.
New models often start out with high repair rates, and then improve as the manufacturer identifies and addresses common problems. MethodologyOnly successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
| Year | Make/Model | Trips/Year/100 Cars | Compared to all models for the same year | |
| 2004 | Audi A8 / S8 | 12 A8 / S8s, 10.1 months of data per A8 / S8, average 111000 miles Small sample size. Join or 12 A8 / S8s, 10.1 months of data per A8 / S8, average 111000 miles Small sample size. sign in to view |
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Non-members can see only ten 2004 Audi A8 / S8 problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.
2004 Audi A8 / S8 4dr Sedan, ext.
330-horsepower 4.2L V8 6-speed shiftable automatic AWD
| Audi A8 / S8 in Indiana, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Dec | 2010 | 87000 | First odometer entry | |
| Mar | 2011 | 96000 | 0 | rear right e-brake motor |
| Jul | 2011 | Most recent odometer entry. | ||
| Audi A8 / S8 in Minnesota, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Dec | 2010 | 111000 | First odometer entry | |
| Sep | 2011 | 125000 | 300 | Replaced driver side front wheel bearing. |
| Jan | 2012 | 130000 | 100 | Replace the blower fan. |
| Apr | 2012 | 136300 | 270 | Replace rear wheel bearing |
| Oct | 2012 | 145000 | 1200 | Coolant leak: cracked nipple between the engine block and oil cooler. While in the shop, the starter failed and needed replacement. |
| Jan | 2013 | 148000 | 150 | Purchased and installed rebuilt air compressor for the air strut system. |
| Mar | 2013 | 150000 | Most recent odometer entry. | |
| Audi A8 / S8 in Ontario, Canada | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2010 | 88040 | First odometer entry | |
| Aug | 2011 | 93000 | 200 | exhaust flexible hose |
| Jul | 2012 | 102300 | 40 | Backup light but took 1.5 hours to diagnose get part and replace. Bulb comes as a module. Garage didnt charge labour! |
| Aug | 2012 | 102900 | 934 | Pads and rotors had not been changed for last 60000 plus kilopmeters. Right wheel bearing started to fail. |
| Oct | 2012 | 104780 | 100 | Coolant overflow reservoir leak. Replaced. Two days as part had to be order. |
| Jan | 2013 | 107220 | 141 | Windshield wipers seize - due to aluminum corrosion. Require 1.5 hours of cleaning, no parts. |
| Mar | 2013 | 109740 | Most recent odometer entry. | |
| Audi A8 / S8 in New Jersey, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Dec | 2011 | 44000 | First odometer entry | |
| Apr | 2012 | 49000 | 219 | Parking brake warning light was on although there did not appear to be anything wrong. After a day at the dealer, they could not find anything wrong. Reset fixed the problem thus far. Could have been a bad connection at the motor. |
| May | 2012 | 50000 | 79 | Replaced broken plastic actuator arms with aftermarket aluminum arms. |
| Dec | 2012 | 57000 | 800 | Replace rear pads and rotors. |
| Jan | 2013 | 58000 | 250 | Replace both front air struts and upper control arm bushings. |
| Audi A8 / S8 in Bahrain | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2011 | 88040 | First odometer entry | |
| Jul | 2012 | 97100 | 15000 | Noise at starting. Heads replaced and intake manifold replaced Front air spring failed twice |
| Sep | 2012 | 99200 | Most recent odometer entry. | |
| Audi A8 / S8 in California, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Oct | 2010 | 77000 | First odometer entry | |
| Aug | 2011 | 85000 | 1300 | Replaced all 4 control arms |
| Jul | 2012 | 94000 | 0 | Infotainment system cutting in and out. |
| Audi A8 / S8 in Tennessee, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| May | 2009 | 0 | Transmission replaced. | |
| Jun | 2009 | 55 | Coolant tank leaking. | |
| Oct | 2009 | 0 | Leak at oil cooler line. Oil cooler replaced. | |
| Apr | 2010 | 93 | ABS module replaced. EPC light, compressor removed and replaced. Airbag light on. Driver knee airbags removed. Connection under driver's seat replaced. | |
| Nov | 2010 | 903 | MMI buttons stuck. Possible leak into unit. MMI control module replaced. | |
| Jan | 2011 | 84000 | 0 | Fuel pump replaced. Out of town during repair. Not my normal dealer who has treated me so well. Dealer had car for 10 days. During that time the battery died and needed replaced. |
| Feb | 2011 | 84000 | 0 | Fuel Filter needed to be replaced after a recent fuel pump replacement. Also front control arm bushings. |
| Audi A8 / S8 in Minnesota, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2010 | 78000 | First odometer entry | |
| Oct | 2010 | 81000 | 20 | replaced 4 front control arm bushings |
| Apr | 2011 | 86000 | Most recent odometer entry. | |
| Audi A8 / S8 in New York, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2010 | 36000 | First odometer entry | |
| Nov | 2010 | 37000 | 0 | 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. |
| Jun | 2011 | 43000 | 600 | Had Water temperature sending unit replaced and cooling system evacuated. Performed this service in conjunction with 45K mile service. |
| Sep | 2011 | 45000 | 1200 | Timing belt replacement as well as accessory drive belt, rollers, tensioner, thermostat, and water pump. Preventive maintenance for the car as mileage is low and wish to keep car in top condition without experiencing any issues. |
| Oct | 2011 | 46000 | 650 | Replaced f/r brake pads, installed braided stainless steel brake hoses front and rear, complete brake fluid flush with Motul RBF 600 brake fluid. |
| Audi A8 / S8 in Illinois, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Aug | 2010 | 1658 | Replaced Compressor, filter dryer, and hoses | |
| Dec | 2010 | 56000 | 1050 | Water pump, thermostat, and coolant sensor. |
| Jan | 2011 | Most recent odometer entry. | ||
| Audi A8 / S8 in New Jersey, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2010 | 95000 | First odometer entry | |
| Feb | 2011 | 102000 | 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. |
| Oct | 2012 | 139700 | 200 | Exhaust leak at the flex hose. |
| Jan | 2013 | 144000 | 100 | Passenger headlight out. |
| Mar | 2013 | 146000 | Most recent odometer entry. | |
| Audi A8 / S8 in Colorado, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Jan | 2011 | 101000 | First odometer entry | |
| Mar | 2011 | 105000 | 600 | Mostly maintenance: Change - trans oil, engine oil, rear end oil, air filter, oil filter Replaced parking sensor Replaced parking light |
| Jul | 2011 | 112000 | 150 | Replaced sunroof air deflector motor |
| Oct | 2011 | 115000 | 250 | Replaced upper front suspension struts. |
| Jul | 2012 | 122300 | 0 | Replace brakes |
| Nov | 2012 | 124300 | 60 | Replaced trunk lid latch assembly |
| Mar | 2013 | 130000 | Most recent odometer entry. | |
| Audi A8 / S8 in Michigan, United States | ||||
| Month | Year | Odometer (in miles) |
Cost | Problem/Repair Description |
| Sep | 2010 | 118000 | First odometer entry | |
| Oct | 2010 | 120000 | 580 | Thermostat failure in closed mode. Also replace timing belt, water pump and associated rollers. |
| Dec | 2010 | 128000 | 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. |
| Mar | 2012 | 162000 | 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). |
| Nov | 2012 | 182500 | 90 | Driver rear wheel bearing started to hum at sppeds above 60 MPH. After twoo weeks of this I replaced it myself. |
| Dec | 2012 | 185000 | 0 | 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. |
| Mar | 2013 | 188000 | Most recent odometer entry. | |
Expert 2004 Audi A8 / S8 Repair Advice
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What People Are Saying about Problems with the 2004 Audi A8 / S8
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