2015 Audi A6 / S6 Audi A6 / S6 2015

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2015 Audi A6 / S6 repairs by problem area

Engine (30%)

Transmission and Drivetrain (0%)

Brakes and Traction Control (3%)

Suspension and Steering (12%)

Electrical and Air Conditioning (42%)

Paint, Rust, Leaks, Rattles, and Trim (9%)

Other (0%)

Chart based on 33 repairs.
See TSBs and recalls for the 2015 Audi A6 / S6.

2015 Audi A6 / S6 repair cost distribution

$2500+ (4%)

$1000 - $2499 (17%)

$500 - $999 (0%)

$100 - $499 (21%)

< $100 (58%)

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

Chart based on 24 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2015 Audi A6 / S6 4dr Wagon

turbocharged 190hp 2.0L I4 Diesel 7-speed automated manual FWD

Audi A6 / S6 in Ireland
May 2017 - Jun 2022
Sep 2017

83700 mi
Matrix headlamp was malfunctioning, auto dim did not work 
Jun 2018

103540 mi

€300
Boost pressure sensor was replaced and software updated. 

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2015 Audi A6 / S6 4dr Sedan

turbocharged 420hp 4.0L V8 7-speed automated manual AWD

Audi A6 / S6 in Ontario, Canada
Mar 2016 - Sep 2018
Dec 2016

11780 mi
Sensor for external thermometer needs replacement. LED light in door handle not working. Buzzing from centre dash speaker. 
Apr 2017

12400 mi
Buzzing front centre speaker. Not fixed. They replaced the speaker but it appears to be caused the vibration from lower notes when playing music. 
Jun 2017

15500 mi

C $359
Centre speaker/HVAC grill on centre of dash was vibrating 
Mar 2018

21080 mi
Rattle from rear right. 
Jun 2018

22320 mi

C $1700
In addition to the maintenance tuneup, there was a rattle/squeak from the rear right side of the car that they tried to diagnose and repair but did not do successfully. 

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2015 Audi A6 / S6 4dr Sedan

turbocharged 240hp 3.0L V6 Diesel 8-speed shiftable automatic AWD

Audi A6 / S6 in Ontario, Canada
Jan 2015 - Mar 2016
Mar 2016

33480 mi

C $85
The ACC (automatic cruise control), lane departure, cameras, etc., intermittently not working. Problem located to driver's door open/close switch. Replaced. Problem solved. 
Audi A6 / S6 in Nevada, United States
Sep 2015 - Sep 2017
Oct 2015 Air bag sensor failure 
Aug 2016

5600 mi
Electronic systems hard drive failure. System software upgrade was attempted but was unsuccessful. Hard drive replaced. 
Audi A6 / S6 in New York, United States
Jul 2014 - Jul 2022
Dec 2014

6000 mi
Water entered one of the rear light units requiring that it be replaced 
Apr 2017

52000 mi
Drivers side mirror motor was replaced because the mirror could no longer be adjusted horizontally. 
Jul 2017

57000 mi
The ACC (automatic cruise control), lane departure, cameras, etc., stopped working. Problem was driver's door open/close switch. Replaced. Problem solved. 
Sep 2017

62000 mi
Dealer replaced the right rear wheel bearing under warranty 
Jul 2019

95000 mi

US $1200
Replaced both motor mounts 
May 2020

111000 mi
Glow plug pressure sensor replaced 
Nov 2020

119000 mi
Nox sensor replaced 
Dec 2020

120000 mi

US $1400
Replaced MMI screen/monitor 
Apr 2021

123596 mi

US $3136
Replaced Rear Right Light Assembly Replaced Ad Blue Pump, Differential Pressure Sensor, Reductive Agent Injector and Reductive Agent Tank 
Jun 2021

126000 mi

US $1000
Replaced G784 Particulate Sensor 
Dec 2021

136000 mi

US $3800
Replaced Oil Cooler 

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2015 Audi A6 / S6 4dr Sedan

turbocharged 220hp 2.0L I4 8-speed shiftable automatic AWD

Audi A6 / S6 in Minnesota, United States
Aug 2017 - Jan 2022
Sep 2017

20000 mi
Both front wheel bearings repaired under factory warranty to eliminate a noise. TSB 2042603/1 
Jun 2018

29000 mi
Driver's side folding mirror motor failer 
Nov 2021

54000 mi

US $200
Alignment after new tires Battery replacement 

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2015 Audi A6 / S6 4dr Sedan

supercharged 310hp 3.0L V6 8-speed shiftable automatic AWD

Audi A6 / S6 in New York, United States
Dec 2017 - Jul 2022
Jun 2021

61000 mi

US $250
exhaust filter 
Audi A6 / S6 in North Carolina, United States
Jun 2018 - Jul 2022
Jul 2022

80000 mi

US $3002
Valve cover gasket replace, media blast intake valves, replace oil filter flange. oil separator replace 
Audi A6 / S6 in New Jersey, United States
Sep 2014 - Jun 2016
Jul 2015

8300 mi
Wheel bearing was bad - replaced under warranty 
Audi A6 / S6 in New York, United States
Oct 2014 - Sep 2017
Dec 2015

12000 mi

US $185
Check engine light 

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

2015 Audi A6 / S6 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 2015 Audi A6 / S6 problems occur, check out our car reliability stats.