1999 Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 1999

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1999 Audi A6 / S6 / RS6 repairs by problem area

Engine (36%)

Transmission and Drivetrain (9%)

Brakes and Traction Control (8%)

Suspension and Steering (20%)

Electrical and Air Conditioning (11%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (11%)

Chart based on 66 repairs.
See TSBs and recalls for the 1999 Audi A6 / S6 / RS6.

1999 Audi A6 / S6 / RS6 repair cost distribution

$2500+ (4%)

$1000 - $2499 (9%)

$500 - $999 (9%)

$100 - $499 (45%)

< $100 (32%)

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

Chart based on 53 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

1999 Audi A6 / S6 / RS6

Engine not specified

Audi in Colorado, United States
Nov 2012 - Dec 2012
Dec 2012

187000 mi

US $3100
Ball joints and tie rod end were worn out and need replacing 
Audi in Massachusetts, United States
Sep 2012 - Nov 2013
Apr 2013

222500 mi
Low Oil Pressure lamp came on. Engine began to clatter. Shut off and towed to shop. Maybe bad oil pump. Have not decide to whether to make repair or not. May just try removing oil pan and cleaning oil pick-up. Engine may be sludged up. 
Jun 2013

225000 mi

US $200
Engine misfires badly. Replaced plugs and wires. Runs much more smoothly. Discovered leaking valve cover gasket. Did not fix. Car too old.  
Nov 2013

227000 mi
The motor slowly ran rougher again then it sprung a leak in the brake line. Scrapped vehicle with 235,000 miles. Engine running roughly. Valve cover gasket leaking. Leaky and loud exhaust noise. Front end noise that sounded bad. Rattles. 
Audi in Texas, United States
Dec 2010 - Aug 2011
Jan 2011

149000 mi

US $200
Headlight washer pump failed. Grommets leaking.  Interior door grab handle broke. 
Feb 2011

150000 mi

US $100
Rear wiper nozzle corroded. Had to order an expensive repair kit from the dealer. Design flaw, causes failure to clean rear window and decreases visibility dramatically. 
Apr 2011

150000 mi

US $25
Rear differential seal was leaking. Had to remove rear axle to access differential. Replaced seal. Still possibly need an alignment $$ due to loosening of suspension components. 
Jun 2011

151000 mi

US $5
Hose to rear window wiper failed at the hinge and was letting fluid into the car. Found a suitable replacement part at a home improvement store. So far so good. 
Jul 2011

151000 mi

US $100
Replaced coolant overflow tank because the old one had a crack that a previous owner tried to glue back together. 
Aug 2011

151000 mi

US $15
This car's rubber braided hoses have all failed. I replaced all that I could get access to.  A check engine light indicated knock sensor issues and Secondary Air Intake insufficient flow. Could not find the cause of the problem in time before someone purchased the car from me. 
Audi in California, United States
Dec 2009 - Jan 2011
May 2010

122700 mi

US $400
Driver side drive axle. 
Audi in New Hampshire, United States
Feb 2013 - Mar 2014
Jun 2013

133000 mi

US $185
New plugs installed. After a timing belt service, they never checked the plugs so it was misfiring soon after, so now its fixed.  There is a abs light, which I think is a loose wire, but im not fixing that. 
Nov 2013

142400 mi

US $400
A pulley seized and snapped the main belt and I lost power steering. 
Jan 2014

146800 mi

US $330
The driver side front axle needed to be replaced. The back latch will not shut on the wagon. 
Audi in Pennsylvania, United States
Sep 2014 - Dec 2014
Nov 2014

165000 mi

US $1250
Replaced 2 coil packs on cylinders 3 and 4 for consistent misfiring issues. 

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1999 Audi A6 / S6 / RS6 4-door

6-cylinder automatic AWD

Audi in California, United States
Sep 2010 - Oct 2011
Oct 2010

107000 mi

US $120
ABS Module Failed. Had it repaired. 
Nov 2010

108000 mi

US $80
Noise from stationary steering. Both outer Tie Rod End replaced. 
Audi in Ohio, United States
Jul 2017 - Jul 2018
May 2018

119502 mi

US $504
Replace Front Rotors and Calipers 
Audi in Connecticut, United States
Jun 2017 - Jun 2018
Feb 2017

165000 mi

US $303
Engine started running rough while driving at speed. Loss of compression no. 5 cylinder = Replaced broken intake valve spring. 
Aug 2017

167000 mi

US $160
Abnormal tire wear,left side. Replaced entire front suspension and outer tie rod ends, lt. frt. wheel bearing,excluding struts. 
Mar 2018

171000 mi

US $450
Replaced transmission 
Audi in North Carolina, United States
Dec 2009 - Apr 2011
Jan 2010

154000 mi

US $100
150k service items: Air filter, fuel filter, selected vacuum lines, spark plugs. Noticed valve cover gaskets need to be replaced (not urgent) 
Nov 2010

162000 mi

US $800
Engine mounts, all three. 
Audi in Minnesota, United States
Nov 2009 - Mar 2010
Dec 2009

157000 mi

US $3500
Timing belt tensioner broke and caused bent valves, etc. Replaced engine. Cause was previous owner not replacing tensioner during first/previous timing belt change. 
Audi in Colorado, United States
Oct 2009 - May 2012
Nov 2009

125000 mi

US $110
Wiring harness under driver's seat wore and caused windows, sunroof, power seats to fail. Dealer figured it out quickly and repair was cheap... 
May 2012

142000 mi

US $400
Cylinder 6 was not always firing... Had a new wiring harness put in... runs well now. Passenger side control arms were replaced... 
Audi in Connecticut, United States
May 2009 - Sep 2011
Sep 2011

107000 mi
Car bit the dust in recent rainstorm after rainwater somehow got into the floor behind the driver's seat. Car starts right up, but the already lousy electrical system is even more messed up. No remote locks. Power windows inoperable. Car is being junked. 
Audi in Colorado, United States
May 2009 - Oct 2010
Jun 2009

78000 mi

US $381
Replaced a leaking passengers side engine mount. The mount replaced was new in April of 2009. Parts supplier warranty'd, I paid shipping. While replacing the engine mount again, I noticed the waterpump was leaking - coolant down the front & onto oil pan. Replacing the waterpump forced the full timing belt job, which the car was due for anyway. 
Jul 2009

78000 mi

US $300
drivers side seal on power steering rack began leaking considerably right after waterpump/timing belt job last month. Replaced steering rack with rebuilt unit. 
Dec 2009

81000 mi

US $52
Pass. front door would not latch closed in temp's below freezing. The microswitch was also broken. Attempted to remove & clean/lube but the offending mechanism is inaccessible-unsuccessful. Replaced latch with used unit from '04 model A6. replaced rear hatch lift struts 
Jan 2010

81000 mi

US $46
Front/Rear window squirter pump began leaking. Replaced pump & grommet. 
Aug 2010

85300 mi
trans.fluid/filter change - preventative. also changed engine oil, discovered & repaired a leaking power steering hose Sunroof switch disassembled & cleaned. Roof would sometimes not close and most recently opened on it's own. Also, repaired cruise control module - re-soldered connections C7, C9, C11 on module circuit board. 
Audi in Ontario, Canada
May 2009 - Sep 2010
Oct 2009

63240 mi
Bulb replaced. Took about ten minutes. 
Audi in New York, United States
May 2009 - Nov 2010
Mar 2010

161000 mi

US $1400
Repair ball joint and CC joint boots.  Repair front right blinker socket. 
Audi in Texas, United States
May 2009 - Jun 2011
Jun 2009

111000 mi

US $190
A/C needed recharge and a A/C related filter replaced 
Sep 2010

116000 mi

US $475
repaired rear main seal on transmission 
Audi in Pennsylvania, United States
Jun 2009 - Jun 2011
Mar 2010

180000 mi

US $800
Front suspension joints worn on passenger side, some wear on driver side. Repair: Front suspension arms replaced. 
Jun 2010

184000 mi

US $1500
Oil leak. Replaced seals and flange at front of engine 
Audi in Michigan, United States
Oct 2009 - Jun 2011
Nov 2009

146000 mi

US $300
Cam chain tensioner oil seals leaking. Smoke entering passenger cabin.  Valve cover gasket leaking oil. Smoke entering passenger cabin. Central Locking System shorting and blowing fuse. Ashtray LED was melted and causing short. 
Nov 2010

164000 mi

US $100
Flex pipe before CAT broken at bellows. Engine coolant temp sensor bad and replaced. 
Audi in Ohio, United States
Sep 2009 - Mar 2010
Oct 2009

81000 mi

US $150
Replace front lower rear CA Replaced both rear Brake Calipers, passenger rear was leaking fluid around piston seal Replaced tie rod end on Passenger side 
Jan 2010

91000 mi

US $36
The car would not start. Diagnosed (audi forum) the problem to be the Engine coolant temp sensor. Replaced the sensor. added fluid to replace fluid lost during work. 

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1999 Audi A6 / S6 / RS6 4-door

4-cylinder automatic AWD

Audi in Wisconsin, United States
May 2011 - Apr 2012
Oct 2011

129000 mi

US $2000
Replaced tie rods. Replaced cv boots. 

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1999 Audi A6 / S6 / RS6 4-door

4-cylinder automatic 2WD

Audi in Nevada, United States
Dec 2010 - May 2013
Nov 2011

131000 mi

US $450
driver side window wouldnt go back up 
Dec 2011

131000 mi

US $400
window would no longer go up or down 
Nov 2012

139400 mi

US $1100
gaskets, some wiring, cant even remember it all number of things 
May 2013

149000 mi
Needed everything shocks to struts 

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1999 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 1999 Audi A6 / S6 / RS6 problems occur, check out our car reliability stats.