Research · Midsize Cars · 2 NHTSA variants

2009 Audi A6Recalls, problems, MPG & safety

NHTSA lists 4 safety recalls and 21 owner complaints for the 2009 Audi A6. Most complaints involve air bags (17) and electrical system (1). The EPA rates it 18–21 mpg combined.

Combined MPG
18–21mpg
EPA · 4 versions
NHTSA overall
—
Not rated by NCAP
Safety recalls
4campaigns
Latest Jun 2018
Owner complaints
21
Top: air bags
Fuel cost / yr
$3,800est.
EPA estimate, best version
01 —Recalls

Safety recalls

4 NHTSA campaigns · applies to some vehicles, check your VIN

Air bags: inflator module

Free remedy

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2005-2008 Audi A4 Sedan, A4 Avant, S4 Avant and S4 Sedan, 2007-2008 RS4 Sedan, 2004 RS4 Cabriolet, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2005-2011 A6 Sedan, 2006-2011 A6 Avant, and 2007-2011 S6 Sedan vehicles. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Air bagsReported Jun 22, 2018NHTSA 18V427000

Air bags: inflator module

Remedy pending

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2010-2011 Audi A6 Avant, A6 Sedan and S6 Sedan vehicles, ever registered in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2009 Audi A4 Cabriolet and S4 Cabriolet vehicles, and 2009-2011 Audi A6 Avant, A6 Sedan and S6 Sedan vehicles registered in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Air bagsReported Jan 4, 2018NHTSA 18V004000

Air bags: inflator module

Free remedy

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Air bagsReported Jan 11, 2017NHTSA 17V032000
Data from NHTSA Recalls API · synced Oct 29, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

21 complaints filed with NHTSA · Nov 2009 – Feb 2022
  1. Air bags17
  2. Electrical system1
  3. Power train1
  4. Electronic stability control (esc)1
  5. Structure1
  6. Other / unknown1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each A6 model year we’ve synced.

View as table
Model yearNHTSA complaints
199654
199721
1998130
1999217
2000148
2001113
2002103
200371
200435
200667
200753
200871
200921
201017
201121
201260
201352
201441
201522
201651
201720
20182
20269
Crashes reported
0
Fires reported
0
Injuries reported
0
Deaths reported
0
Data from NHTSA Complaints API · synced Oct 29, 2026 · Full problem breakdownNHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Air bags

17 reports
“TL* TAKATA RECALL. THE CONTACT OWNS A 2009 AUDI A6. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 18V427000 (AIR BAGS); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (AUDI FAIRFIELD, 435 COMMERCE DR, FAIRFIELD, CT 06825) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.”
Owner complaint to NHTSAFiled Jul 17, 2018Air bagsODI 11111916

Electrical system

1 report
“Old Battery replaced by Audi dealer with new battery since car would not start. Second Audi dealer checked battery and connections since car would not start. Car started at dealer; however car doesn’t start now about a week after picked up at dealer. This is a major safety issue and driver & passengers are at risk creating a safety hazard of the car not being Able to start. Southern Calif AAA was called to jump start car battery multiple times in last several months. There was no warning on the car either that of a battery issue or that the car was not going to start. The car is available for inspection upon advanced request for an appointment.”
Owner complaint to NHTSAFiled Aug 23, 2021Electrical systemODI 11430115

Power train

1 report
“THE CVT TCM HAS BEEN RE-PROGRAMMED BY AUDI DEALER FOR $160 AFTER REBULIT TRANSMISSION FOR $3300. HAD TO TOW A CA FOR $70 TO DEALER JUST TO GET RE-PROGRAMING. TOOK CAR ON HWY AND THE ACCELERATION DIDN'T WORK. HAD TO POOL TO SIDE AND CALLED TOW. FOUND OUT THE TCM HAS TO BE REPLACED AND IT IS VERY COMMON PROBLEM AND AUDI IS CHARGING TOO MUCH OF MONEY. COULD NOT FIND ANY PART FROM ANYWHERE UNLESS AUDI. PLUS, THE TCM IS THE ONE MAKING THE TRANSMISSION BREAK.”
Owner complaint to NHTSAFiled Sep 8, 2016Power train, Electronic stability control (esc)ODI 10904836
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 29, 2026
04 —Key specs

Engines, transmissions & drive

4 versions rated by the EPA
EPA class
Midsize Cars, Midsize Station Wagons
Engines
3.1L 6-cyl · 3.0L 6-cyl supercharged · 4.2L 8-cyl
Transmissions
Automatic (variable gear ratios) · Automatic (S6)
Drive
Front-Wheel Drive · All-Wheel Drive · 4-Wheel or All-Wheel Drive
Fuel
Premium Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Oct 29, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
A6
Auto (variable gear ratios), 6 cyl, 3.1 L · Front-Wheel Drive
182721$3,800423
A6 Avant quattro
Auto (S6), 6 cyl, 3.0 L, Sup Charg · All-Wheel Drive
182621$3,800423
A6 quattro
Auto (S6), 6 cyl, 3.0 L, Sup Charg · All-Wheel Drive
182621$3,800423
A6 quattro
Auto (S6), 8 cyl, 4.2 L · 4-Wheel or All-Wheel Drive
162318$4,400494
  • A6
    Auto (variable gear ratios), 6 cyl, 3.1 L
    18 city · 27 hwy · $3,800/yr
    21
    mpg comb.
  • A6 Avant quattro
    Auto (S6), 6 cyl, 3.0 L, Sup Charg
    18 city · 26 hwy · $3,800/yr
    21
    mpg comb.
  • A6 quattro
    Auto (S6), 6 cyl, 3.0 L, Sup Charg
    18 city · 26 hwy · $3,800/yr
    21
    mpg comb.
  • A6 quattro
    Auto (S6), 8 cyl, 4.2 L
    16 city · 23 hwy · $4,400/yr
    18
    mpg comb.
Data from EPA fueleconomy.gov · synced Oct 29, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

2 tested variants
NHTSA has not published 5-Star Safety Ratings for the 2009 Audi A6 as of Oct 29, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Oct 29, 2026Vehicle 5288Vehicle 5289
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2009 A6 questions

How many recalls does the 2009 Audi A6 have?

4 safety recalls as of Oct 29, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2009 Audi A6 problems?

Owners filed 21 complaints with NHTSA. The most-cited components are air bags (17), electrical system (1), power train (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2009 Audi A6 get?

The EPA rates the 2009 Audi A6 at 18–21 mpg combined, depending on engine and drivetrain (4 versions rated).

Data from NHTSA & EPA · synced Oct 29, 2026