2003 Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003

We are 106,000+ car owners sharing real-world car information.

Join Us

2003 Audi A6 / S6 / RS6 repairs by problem area

Engine (39%)

Transmission and Drivetrain (22%)

Brakes and Traction Control (4%)

Suspension and Steering (16%)

Electrical and Air Conditioning (12%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (4%)

Chart based on 241 repairs.
See TSBs and recalls for the 2003 Audi A6 / S6 / RS6.

2003 Audi A6 / S6 / RS6 repair cost distribution

$2500+ (8%)

$1000 - $2499 (13%)

$500 - $999 (15%)

$100 - $499 (36%)

< $100 (29%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 197 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Audi A6 / S6 / RS6

Engine not specified

Audi A6 / S6 / RS6 in Colorado, United States
Aug 2011 - Mar 2012
Oct 2011

123700 mi

US $2600
Had to replace drc with coilovers. 
Audi A6 / S6 / RS6 in Massachusetts, United States
Jun 2010 - Jun 2011
Jul 2010

48000 mi

US $500
ABS control module, ESP and ABS Lights on 
Audi A6 / S6 / RS6 in Pennsylvania, United States
Oct 2010 - Jun 2011
Dec 2010

100000 mi

US $500
FCC torque diverted clutch was stuck open. The torque converter needed replacing. 
Audi A6 / S6 / RS6 in North Carolina, United States
Apr 2009 - Mar 2010
May 2009

113000 mi

US $800
Replaced torque converter. Did work myself since Audi dealer wanted 2500+ to do it. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Wagon

340-horsepower 4.2L V8 5-speed shiftable automatic AWD

Audi A6 / S6 / RS6 in Ontario, Canada
Jul 2007 - Sep 2013
Jul 2007

57010 mi
Replaced printed circuit for shifter. Under warranty 
Aug 2011

81600 mi

C $553
Front upper control bushings torn. Replaced front upper control arm inner bushings. 4 hours labour. 
Apr 2013

99600 mi

C $2200
Gaskets Replaced primary cats 
Aug 2013

102380 mi

C $2600
Loss of power, smoke from exhaust. Intake Manifold Adjuster replaced. Timing Belts also replaced while in shop. 
Audi A6 / S6 / RS6 in Florida, United States
Apr 2010 - Jun 2011
May 2010

67000 mi

US $7000
Vacuum check valve not covered by my Extended Warranty $430.00 Center Armrest Cover Broke....Second time since I've owned the Car...$180.00 
Audi A6 / S6 / RS6 in California, United States
Feb 2010 - Oct 2010
Apr 2010

105000 mi

US $900
Timing belt replaced. Water pump (in concert with timing belt) Front passenger inner and outer cv boots. 
Sep 2010

117000 mi

US $270
fan control module burnt out, dealer diagnosed, part ordered, will self install. 
Oct 2010

117000 mi
coolant reservoir was leaking. 
Audi A6 / S6 / RS6 in Colorado, United States
Jun 2012 - Dec 2014
Jun 2014

207000 mi

US $500
Replaced all worn rubber bushings and control arms on the front of the car due to mileage. 
Audi A6 / S6 / RS6 in Minnesota, United States
Aug 2015 - Apr 2016
Oct 2015

86300 mi

US $1250
Control arms upper and lower, Trans fluid and filter, caliper rebuild, 3 Diff fluid change, Diff seals, 5 cv boots, 1 axle. 
Apr 2016

90000 mi
transmission failing, car sold without repairing 
Audi A6 / S6 / RS6 in California, United States
Nov 2014 - Jun 2018
Jun 2015

107000 mi

US $100
Valve cover gaskets replaced All vacuum tubing replaced 
Oct 2017

121000 mi

US $500
1 New fuel injector  Water Pump Gates Racing timing belt L&R camshaft adjuster pads Valve cover gaskets Power steering pump 

Return to top

2003 Audi A6 / S6 / RS6 4dr Wagon

220-horsepower 3.0L V6 5-speed shiftable automatic AWD

Audi A6 / S6 / RS6 in California, United States
Aug 2014 - Oct 2014
Oct 2014

54000 mi

US $120
Diagnose Check engine light; vaccum system problems Valve covers leaking oil, both sides Upper left Control Arm Bushing is worn Fuel consumption is averaging 11 mpg. 
Audi A6 / S6 / RS6 in Massachusetts, United States
Oct 2012 - Jun 2014
Nov 2012

112300 mi

US $18
Brake light switch. 
Audi A6 / S6 / RS6 in New York, United States
Jul 2013 - Feb 2015
Jan 2014

US $200
Quirk sound while slowly passing bumps. Front left height sensor for headlight was replaced to fix a problem. 
Feb 2015

95000 mi

US $356
Rear differential seals were replaced because of leaking. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Sedan

turbocharged 450hp 4.2L V8 5-speed shiftable automatic AWD

Audi A6 / S6 / RS6 in California, United States
Oct 2011 - Sep 2017
Aug 2015

145700 mi

US $4300
Torque converter on transmission failed. Rebuild entire transmission. Auxiliary radiator leak. 
Jan 2016

US $1200
AC Compressor failure. Replace AC compressor 
May 2016

154400 mi

US $1850
O2 sensor code and check engine light. Replace O2 sensors. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Sedan

turbocharged 250hp 2.7L V6 6-speed manual AWD

Audi A6 / S6 / RS6 in Ohio, United States
May 2008 - Oct 2013
Apr 2010

57000 mi

US $359
Replaced drive right front drive axle 
Aug 2011

67500 mi

US $1400
Cracked breather tube 
Sep 2012

76000 mi

US $1650
Rear conrol arms seized and needed to be replaced parking brake cables failed, needed to be replaced Front tie-rod seized needed to be loosened 
Audi A6 / S6 / RS6 in Connecticut, United States
May 2012 - Jul 2012
May 2012

94000 mi

US $1300
Failed ABS module replaced 
Audi A6 / S6 / RS6 in Washington, United States
Jun 2011 - Feb 2017
Jul 2011

109000 mi

US $300
front wheel bearings replaced 
Oct 2012

121300 mi

US $400
front upper and lower control arm replacement 
Sep 2013

133000 mi

US $200
front pads worn unevenly, sliding pins weren't lubed, resurfaced with new pads radio reception gone 
Mar 2014

137000 mi
comfort module fuse blew after screwing with non-working rear interior overhead light, possibly related to radio reception issues as fixing loose solder contacts in rear overhead light and replacing the fuse fixed that. 
Sep 2015

153000 mi

US $50
door lock actuator, hazard switch 
May 2016

160000 mi

US $230
alternator died, replaced alternator, good to go. 
Jan 2017

169000 mi
door switch in driver door malfunctioned, had to repair microswitch. 
Audi A6 / S6 / RS6 in Michigan, United States
Nov 2010 - Apr 2016
Dec 2010

182000 mi

US $1400
Replaced brake pads and rotors, emergency brake cables (last changed brakes at 105k) 
Nov 2011

195000 mi

US $160
Rear differential seals replaced. 
Jan 2012

232300 mi

US $2400
CEL codes for bad catalytic converters. Replaced both cats with non-oem parts and replaced all four O2 sensors. 
Nov 2012

207700 mi

US $87
Power steering whining. Replaced fluid. CEL for secondary air injection unit. Disconnected SAIU. CEL still sometimes lit for O2 sensors. 
Dec 2012

211000 mi

US $128
Replaced battery at 209127 miles 
Jul 2013

216000 mi

US $67
AC not working. Tried re-charge but it appears to be failed compressor. Owner elected not to repair as vehicle is driven mostly in the winter. 
May 2014

229300 mi

US $820
Car was starting hard and finally stalled when driving. Replaced fuel pump. 
Dec 2014

232000 mi

US $616
Left rear caliper failed, scoring the rotor. Replaced caliper, rear brake pads, and turned rotors. 
Dec 2015

238000 mi

US $120
Battery was 3+ years old and did not hold a chage. Note - the vehicle had been stored outside for 7 months and not driven. 
Apr 2016

238000 mi
AC never repaired. Leaking turbos. Very loud power steering pump. Synchros starting to stick. Doors not always latched, but still ran solid. 
Audi A6 / S6 / RS6 in Illinois, United States
Jan 2011 - Jun 2018
Feb 2011

76000 mi

US $380
replaced worn serpentine belt and tensioner. Tensioner was getting noisey 
Apr 2011

77000 mi

US $99
front lower aft drivers side control arm/ball joint was bad. I replaced it. 
Jan 2012

87000 mi

US $235
replaced the front right axle shaft, the old inner bearing was bad. 
Aug 2012

92500 mi

US $75
Replaced front lower forward control arm. 
Sep 2012

93000 mi

US $135
replaced right front lower forward control arm. 
Nov 2013

103000 mi

US $200
replaced both lower control arms on both sides of the front suspension and the sway bar links. 
Oct 2015

124200 mi

US $100
replaced front lower left forward control arm  and left front axle. 
Nov 2015

124600 mi

US $25
replaced sway bar bushings 
Jan 2017

125800 mi

US $1500
timing belt and valve cover gasket and seal maintenance. there was some weeping in the valve cover gaskets/seal areas, but nothing serious...it was mostly preventative since i was already doing a comprehensive timing belt service on the front of the motor 
Feb 2018

133000 mi

US $100
Oil pressure sensor was bad...common problem for VW/Audi...so I replaced it and the oil level sensor as well. 
Audi A6 / S6 / RS6 in Pennsylvania, United States
Apr 2008 - May 2016
Oct 2008

50000 mi

US $1400
I received a check engine light for coolant temperature too low. The shop replaced the coolant temp sensor earlier which did not fix the problem. The next solution was to replace the thermostat which was likely stuck open.  
May 2009

54000 mi

US $300
I noticed grease on my inner wheel surface when changing my winter wheels. Outer CV boot had split and put grease all over suspension/wheel on drivers side. Shop replaced outer CV boot. 
Sep 2009

55000 mi

US $15
I had to re-attach the rear-view mirror as it had become unglued from the windshield. 
Nov 2009

57000 mi

US $345
Passenger outer CV boot needed to be replaced after it split and lost all grease on inside of wheel. 
Feb 2010

59000 mi

US $225
ABS light came on. Replaced brake pedal switch. 
Dec 2010

64000 mi

US $1200
Cowl vents clogged with leaves caused rain water to drain into the car under the dashboard and flooded the interior of the car. Had to remove seats, dry carpet, check all electrical connections and reassemble. 
May 2011

67000 mi

US $100
Turn signals stopped working. Replaced hazard relay in dash with aftermarket parts. 
Jul 2012

74300 mi

US $145
Exhaust clamps broke and pipe became detached. Had to replace with new clamps. 
Sep 2012

76000 mi

US $900
Auxiliary water pump replaced which requires removal of intake manifold to access. 
Jun 2013

81000 mi

US $750
Engine misfiring due to faulty ignition coils. Replace 5 coils and 6 spark plugs. Valve cover seals leaking. Replaced all seals. 
Jul 2013

81300 mi

US $900
Coolant leak discovered while replacing valve cover gaskets. Required new water pump (2nd one in last 4 years.) 
Sep 2014

90000 mi

US $960
Front outer CV boot replaced due to crack 
Oct 2014

90500 mi

US $480
Crank Position Sensor failed leaving car unable to start. Required tow to repair shop. 
Jul 2015

94300 mi

US $1100
Exhaust rusted out at center resonator. Replaced resonater/x pipe. 
Jan 2016

99000 mi

US $1400
Front upper control arm bushings are worn out and need replaced. 
May 2016

101000 mi

US $1300
Front upper control arm bushings needed replaced. 
Audi A6 / S6 / RS6 in Colorado, United States
Jul 2008 - Sep 2012
Aug 2008

100000 mi

US $800
Replace front psgr axle while in for Tranny output-shaft seal replace. CV boot (inner) torn. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Sedan

turbocharged 250hp 2.7L V6 5-speed shiftable automatic AWD

Audi A6 / S6 / RS6 in Georgia, United States
Feb 2008 - Jul 2013
Apr 2008

47118 mi

US $14
Rear Transfer Case seal replaced by owner. Cost only 14.00 to include seal and gear oil. Repair time approximately 2.5 hours 
Dec 2008

52288 mi

US $82
Valve Cover Gaskets replaced by owner. Cost $82 for both gaskets and a tube of black RTV sealant. Repair time approximately 5 hours. 
Mar 2012

84000 mi

US $120
Electric after-run coolant pump replaced after a colant leak from it was discovered. 
Audi A6 / S6 / RS6 in Missouri, United States
Jan 2016 - Dec 2017
Jan 2016

147000 mi

US $650
Oil leaks 
Audi A6 / S6 / RS6 in Maryland, United States
Apr 2008 - Apr 2010
Jul 2008

79000 mi

US $250
Torn outer CV boot on the passenger's side. 
Mar 2009

88000 mi

US $154
A knocking noise from the front of the engine was troubleshot and no trouble was found. Initially the t-belt tensioner and cam tensioner were suspected.  
Jul 2009

95000 mi

US $125
Center cluster pixels were fading out. 
Feb 2010

103300 mi

US $305
Bad Engine Cooling Temperature sensor and bad O2 sensor. 
Apr 2010

105000 mi
Torque converter started slipping so the car was sold. 
Audi A6 / S6 / RS6 in Colorado, United States
Jan 2012 - Jul 2012
Jun 2012

36000 mi

US $120
Valve cover gaskets 
Audi A6 / S6 / RS6 in Colorado, United States
Dec 2008 - Mar 2010
Feb 2009

97000 mi

US $217
Right front axle. 
Jun 2009

103000 mi

US $65
flasher relay that is part of the hazard switch. so, whole hazard switch had to be replaced. 
Audi A6 / S6 / RS6 in Wisconsin, United States
Aug 2008 - Nov 2015
Feb 2008

60000 mi
Rear motorized sun shade frame repaired under CPO and no cost. 
Jun 2008

64000 mi

US $50
Auxiliary water pump leak repaired under CPO. 
Jul 2008

65500 mi

US $50
All oil seals including valve cover, cam, and cam tensioners replaced due to leaks under CPO. 
Aug 2009

81000 mi

US $40
Noticed that the outer CV boot on the driver's side had split and covered the wheel with grease. I replaced the boot on that side and also the passenger's side as preventative maintenance. 
Sep 2009

85000 mi

US $325
At 82,000 miles it was finally time to replace all control arms, TREs, and swaybar links. Car was destroying the inside shoulder of the front driver's side tire. At 82,000 miles it was finally time to replace all control arms, TREs, and swaybar links. Car was destroying the inside shoulder of the front driver's side tire. 
Oct 2009

83500 mi

US $50
One motor mount replaced under CPO due to fluid leakage. 
Nov 2009

87000 mi

US $50
LCD in instrument cluster starting to lose pixels. Dealer replaced entire cluster under CPO. 
Dec 2009

90000 mi

US $50
The ESP and ABS ligts were coming on sporatically, so the brake light switch was replaced by dealer under CPO. Don't know entire cost, but I only paid the $50 deductible.  They also fixed a rattling exhaust heat shield under the driver's seat. The ESP and ABS ligts were coming on sporatically, so the brake light switch was replaced by dealer under CPO. Don't know entire cost, but I only paid the $50 deductible. They also fixed a rattling exhaust heat shield at no charge. 
Jun 2010

105000 mi

US $250
Oil leak at the two seals on the back side of the driver's side cylinder head fixed. They resulted from a frozen PCV system back in December and problem was allowed to progress to the point it could be diagnosed. 
Jul 2010

105800 mi

US $230
Oil leak at the two seals on the back side of the driver's side cylinder head fixed. They resulted from a frozen PCV system back in December and problem was allowed to progress to the point it could be diagnosed. 
May 2011

120000 mi

US $240
Car was using oil due to plugged PCV hose system so it the hose system was replaced. During removal, the N75 valve was damaged, so it was replaced also since it frequently fails. PCV hose $180 at dealer, N75 valve used $60. A low speed clunking noise was attempted to be fixed by replacing badly worn cheap Chinese lower control arms, but the noise persists. Looking at the sway bar links as the culprit and they will be replaced soon. Car was using oil due to plugged PCV hose system so it the hose system was replaced. During removal, the N75 valve was damaged, so it was replaced also since it frequently fails. PCV hose $180 at dealer, N75 valve used $60. 
Oct 2011

126000 mi
Front end shimmy was partly due to the tie rod ends being very loose. Some of the shimmy went away, but the rest is due to the lower rear control arms being bad now. All total, I will have replaced the lower front and rear CAs and TREs. Secondary Air Pump is not working in the cold weather and throwing codes. I unplugged the pump for now and will remove and rebuild in the spring. Common problem when the combi valve lets exhaust gas into the pump and it condenses & rusts. 
Dec 2011

129000 mi

US $55
All 4 of the upper control arms are junk. 40k miles on the aftermarket set. Now all 8 are new again and the steering is tight. Better off buying Meyle next time and getting 60-80k miles. 
Jan 2012

97000 mi

US $500
Thermostat and water pump from last timing belt job were leaking after 35k miles. Replaced them both and all other timing belt parts, along with all oil seals. Poor design that a thermostat job means removing the timing belt system. 
Mar 2012

132000 mi

US $60
Driver's side axle became loose, causing vibrations at highway speeds. Replaced entire axle. Partially solved problem. Will replace pass side in the future. 
Jul 2012

135800 mi

US $80
Bearing on driver's side was suspected to be causing vibration at highway speed, and was replaced. Although there was play, it did not solve the problem. 
Oct 2012

140000 mi

US $75
Engine mounts were past their prime and creating vibrations in the cab. One was good because it was only 75k miles old but the other was factory. Huge job to DIY, would recomend paying someone to do it. 
Audi A6 / S6 / RS6 in South Africa
Jul 2011 - Nov 2012
Aug 2011

145080 mi
I had a jerking when you accelerate sometimes then I replaced the front engine mount 
Sep 2012

165540 mi

R 700
CV joints were replaced both lower control arms 
Audi A6 / S6 / RS6 in North Carolina, United States
- Nov 2007
Jan 2007

55000 mi

US $265
Replace torn left front CV boot. 
Aug 2007

69000 mi

US $265
Replace torn right front CV boot. 
Nov 2007

74000 mi

US $250
Replace B1S1 Oxygen Sensor 
Audi A6 / S6 / RS6 in Michigan, United States
Jun 2010 - Jun 2017
Jun 2012

140000 mi

US $2905
Had the torque converter replaced. ALso replaced were the n74 solenoid, n264 check valve, Venthose system (spider hose) 
Oct 2012

145200 mi

US $200
Replaced Windshield wiper motor and transmission(linkage) assembly. Also replaced the coolant expansion tank. 
Dec 2012

149000 mi

US $110
Secondary Air Injection pump failed. Had pump rebuilt for 95.00. 
Feb 2013

152500 mi

US $28
Replaced the Hazard relay 
Apr 2013

155000 mi

US $45
Replaced turn single stalk 
Oct 2013

166700 mi

US $1100
Replaced shocks and upper control arms. 
Apr 2014

175800 mi

US $150
Replaced front and rear shock mounts. 
Jun 2014

178000 mi

US $90
Replaced Secondary Air Injection pump and pipe 
Jan 2015

196000 mi

US $229
Alternator died 
May 2015

200000 mi

US $65
Passenger side CV boot split drying out the joint eventually leading to a failure. 
Sep 2015

206000 mi

US $1000
All control arms and tie rod ends were replaced. Including sway bar links. 
Mar 2016

214000 mi

US $3700
Transmission failed. No reverse and no forward gears. Total failure. Replacement needed. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Sedan

300-horsepower 4.2L V8 5-speed shiftable automatic AWD

Audi A6 / S6 / RS6 in Georgia, United States
Oct 2009 - Jun 2011
Oct 2009

126000 mi

US $3250
Transmission rebuild 
Nov 2009

129000 mi

US $70
Replace ZFHP24A Transmission Replaced both xenon D2S headlight bulbs 
Jun 2010

148000 mi

US $1580
Leaking Water pump 
Audi A6 / S6 / RS6 in Queensland, Australia
Jun 2010 - Jun 2018
Dec 2010

57040 mi
The windscreen washer was blocked. I contacted a dealer on my route. They fixed the problen in 40 minutes and did not charge. We werw given coffee and bisquits. 
Jan 2012

69600 mi

A $840
Blocked washer jets. One jet broken by a stone. Part needs to be ordered. 
Aug 2012

64480 mi

A $5300
Reverse warning inoperative. 2 half shaft boots Washer nozzle (stone damage), washer bottle (growing fur and blocking nozzles). 
Sep 2012

65100 mi

A $280
Reversing alarm speaker replaced. Bonnet (hood) strut replaced. 
Aug 2013

69940 mi

A $550
Warn bushes, leaking rocker cover, cracked fuel tank. All need to be replaced at next service. 
Feb 2014

72000 mi

A $5800
Replace cracked fuel tank (warranty) Replace lower front bushes Replace rocker gaskets Replace rat-eaten vac pipe Replace windscreen wipers Replace electronic engine mount Repair 3 buckled wheels Polish headlights 
Aug 2014

73980 mi

A $400
Replaced PCV valve. Tied off broken manifold actuator link to allow. Tied manifold barrel arm to idle position. Parts ridiculously expensive in Australia. sourcing parts in Europe. Care remains drivable. 
Aug 2015

75220 mi

A $400
Plastic vacuum manifold flap actuator linkage broken because of seized inlet manifold flaps. Flaps and and spindle cleaned and lubricated. New linkage manufactured. $400. Dealer said had to replace parts for $7000. 
Sep 2016

77500 mi

A $1500
Supply and replace original specification rear shock absorbers. 
Jan 2017

71880 mi

A $3000
Supply and fit front shock absorbers and locking bolt. 
Jul 2017

84940 mi

A $4000
Replaced leaking rocker covers.  Replaced hood gas strut and trunk gas struts.  Replaced leaking rear vision mirror. 
Jun 2018

89900 mi

A $50000
Worn out. Replaced. Siezed piston. Replace fuel pump. Car ran roughly and later would not start. Replace idler solenoid in gear shift assembly. Replaced front half shaft cv joint outer boots. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Sedan

220-horsepower 3.0L V6 6-speed shiftable CVT FWD

Audi A6 / S6 / RS6 in Arizona, United States
Aug 2006 - Apr 2016
Oct 2006

17000 mi
Vibration @ 55mph and above. Dealer turned rotors and re-balanced wheels several times. Issue not resolved. Told that this was common for CVT. 
Aug 2015

78000 mi

US $1200
Engine and transmission mounts replaced. 
Apr 2016

83000 mi
Discovered in January that it needs new CV boots, left and right both cracked. Estimate of $800. Also needs timing belt and water pump, $1,700. 

Return to top

2003 Audi A6 / S6 / RS6 4dr Sedan

220-horsepower 3.0L V6 5-speed shiftable automatic AWD

Audi A6 / S6 / RS6 in Connecticut, United States
May 2014 - Nov 2014
Jul 2014

148000 mi
Misfire in cylinder number 2. Blown head gasket. Torque converter needs to be replaced. 
Sep 2014

153000 mi

US $700
Front left axle leaking, replace assembly. 
Nov 2014

153000 mi
Oil pressure warning light goes on intermittently. Oil level is OK. 
Audi A6 / S6 / RS6 in Texas, United States
Jun 2016 - Jun 2017
Dec 2016

145000 mi

US $3500
Transmission went into emergency mode on the highway and locked into 4th. Transmission required a rebuild, and CV joint was replaced at the same time. 
Audi A6 / S6 / RS6 in Ontario, Canada
Feb 2016 - Aug 2016
Feb 2016

157480 mi

C $760
alternator failed, replace with new one 
Aug 2016

139500 mi
transmission failed and car can not accelerate 
Audi A6 / S6 / RS6 in Maryland, United States
- Dec 2007
Jun 2004

15000 mi
Steering wheel mounted, stereo control button replaced under warranty. 
Mar 2007

30000 mi

US $250
Engine bay is vibrating. Dealership said something got loose. (Will add more info when I get papework) 
Dec 2007

40000 mi

US $400
CV Boots torn on both sides. Usually a 80k mile item. 
Audi A6 / S6 / RS6 in Ontario, Canada
Apr 2008 - Feb 2011
Jan 2008

94240 mi

C $1300
Changed timing belt, thermostat, water pump 
Apr 2008

96100 mi

C $300
changed temp sending units 
Jun 2008

99200 mi
Check engine light on repeatedly. Throwing an EVAP code. doesn't affect driveability, so will be repaired at a later date. 
Oct 2008

104160 mi

C $250
EVAP code , traced to purge valve, bought part just not installed 
Nov 2008

104780 mi

C $168
replaced evap purge valve. 
Dec 2008

105400 mi

C $280
Bracket for steering rack diagnosed as loose. Part is backordered from dealer. 
Mar 2009

108500 mi

C $350
Transmission noise repaired, loose component refastened. Noise is gone. 
May 2010

119660 mi

C $1500
Catalytic failure left side, replaced cat. Replaced O2 sensors as well. Right side sensors are intermittently responding. 
Jan 2011

125860 mi
Torque converter failure, car not worth repairing. Will sell 
Audi A6 / S6 / RS6 in New York, United States
Jan 2012 - Jun 2012
Feb 2012

87200 mi

US $300
CV half-shafts replaced 
Jun 2012

88000 mi
Transfer case output tail and fore seals broken. Rear differential seal broken. 
Audi A6 / S6 / RS6 in Minnesota, United States
May 2009 - Mar 2010
Aug 2009

44000 mi

US $175
Bad coil pack cylinder #3 
Audi A6 / S6 / RS6 in Washington, United States
Jan 2009 - Nov 2013
Feb 2011

56000 mi

US $600
CV Boots 
Nov 2013

71000 mi
the torque convertor starting throwing a code. It was going to be $3500 to repair. We traded the car in. 
Audi A6 / S6 / RS6 in Washington, United States
Sep 2010 - May 2015
Apr 2013

108000 mi

US $100
cv boot replaced 
Jun 2013

108000 mi

US $200
Replace CV boot again!!! 
Mar 2014

109000 mi

US $900
Right side CV joint broke. Towed to repair shop and replace both front axles. 
Jan 2015

125000 mi

US $2500
Replaced water temp, oil temp, oil level sensors.  Replaced abs computer and abs sensor. 
Mar 2015

128000 mi

US $800
Replaced parts 
Audi A6 / S6 / RS6 in New York, United States
Oct 2009 - Aug 2018
Oct 2010

83000 mi

US $120
replaced the drivers front O2 sensor. had a CEL and couldn't get it inspected until fixed. 
Dec 2011

93000 mi

US $75
replaced snub mount and two front control arms, wear items 
Dec 2015

125000 mi

US $50
Had to replace the valley pan gasket. was leaking 
Nov 2016

132100 mi
Exhaust repaired 
Nov 2017

140000 mi
exhaust flex pipes 
Dec 2017

140000 mi

US $400
Crank seal and timing belt replacment 
Audi A6 / S6 / RS6 in Arizona, United States
May 2009 - Mar 2010
Jun 2009

70000 mi

US $250
Cylinders 1 & 4 ignition coils went bad. I tried replacing spark plugs first, but did not cure the problem. 
Audi A6 / S6 / RS6 in Quebec, Canada
Sep 2011 - May 2013
Nov 2011

71920 mi

C $300
front right wheel bearing 
Dec 2012

73780 mi

C $60
exhaust, a joint was loose between the two extremities just replace the joint. 
Audi A6 / S6 / RS6 in New York, United States
Dec 2005 - Nov 2009
Jan 2005

50000 mi

US $50
have replaced 4 bad coils under warranty (Price is warranty deductible) date and mileage is sort of middle range- done over period of 2.5 yrs 
Jan 2009

84000 mi

US $1264
Valve cover gasket blew- serious oil leak- towed to shop- covered under cpo..There was NO indication on oil pressure or temp guage... Coolent temp sensor went at the same time, so there was no indication had overheated! (I know it was at that time because engine never indicated that it warmed up after 25 mile ride... Timing belt, water pump, tensioner pulley. Dealer reported maint. sched had been reduced to 70000 miles because of failures at previous 105000 suggested interval-He led me to believe that CPO would not cover the 105K interval. 
Feb 2009

86000 mi

US $53
Check engine light-dealer said code indicated bad cat-but that some vacuum hoses damaged MAY be problem-replaced hoses under CPO and reset light-also suggested injector and throttle body cleaning- (done in following month) light not back on yet. 
Mar 2009

87000 mi
Front wheel bearings replaced 
Apr 2009

89000 mi
replaced head unit- display showed "error 3" check engine light code P0441-002, evap emission control system incorrect flow lower limit exceeded 
Aug 2009

94000 mi

US $278
replaced front outer CV boot 
Audi A6 / S6 / RS6 in Indiana, United States
Nov 2009 - Jun 2011
Dec 2009

63000 mi
Replaced 5 bad coil packs on Audi A6 3.0  Now exhaust extremely hot glowing bright red at night melting rear bumper cover near exhaust tips Service engine lite flashing rapidly poor fuel economy less than 8.5 miles gal. dealer said working in spec. Car leaking expensive fuel on the ground if filled pas 3/4 tank of fuel was told they al do that from expansion.I worry about my wife driving with red hot exhaust and fuel spilling out with kids in car 
Jan 2010

64000 mi

US $350
leaking fuel tank was told this is normal if tank filled past 34 Xenon igniters both failed and blew fuses for tailamps and transmision locked up in park when I got home will not go into gear. Car is now unusuable. This happened after I closed the trunk putting groceries in car. Had to drive home with no lighting. 
Feb 2010

65300 mi
4 more coil pack failures. Replaced and now runs, but CEL now on all the time. 
Mar 2010

72000 mi

US $55
Rear Brake pads ratttling terribly, license plate frame rotted and fell off. New Audi plate holder cost me $55. 
Audi A6 / S6 / RS6 in South Dakota, United States
Feb 2009 - Jul 2012
Mar 2009

91000 mi

US $1400
Huge oil leak, stuck/frozen crankcase vent valve (told because I didn't drive the car enough to heat up the valve area). Oil leaked out of front of pass side cam cover. With engine apart, had timing belt, water pump, rollers, serp belt replaced add $1200 Serp belt roller bearing failed one week later. Car inoperable. Had to tow 90 miles at my expense for warranty repair. 
Mar 2010

100000 mi

US $200
Serpentine belt tensioners replaced with new belt Feb 09. Failed 1 week later with immobility. Replaced under warranty. Serp belt "fell off" Mar 10, with tensioner missing or defective. Non dealer shop placed 10mm bolt, saw belt fragments on flywheel 
Mar 2011

113000 mi

US $985
Transaxle oil pan gasket leak, output shaft bearing seal leak, outer CV boot leak, odometer sensor ring defect 
Jan 2012

114000 mi

US $930
Torn CV boot Power steering lines leaking, noise with steering 
Jun 2012

116000 mi

US $768
Pre-cat oxygen sensor Air bag light on 
Audi A6 / S6 / RS6 in Kentucky, United States
May 2008 - Mar 2010
Jun 2008

43000 mi
misfire in one cylinder. changes plugs and one coil pack, but didn't help 

Return to top

See TrueDelta's information for all Sedans and Wagons.
See TrueDelta's information for all Audi models.

2003 Audi A6 / S6 / RS6 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Audi A6 / S6 / RS6 problems occur, check out our car reliability stats.