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Audi carsCode 4F

Audi A6 C6 problems (2004–2011)

All 3 engines and 2 gearboxes of the Audi A6 C6 that we have documented have high or critical severity faults: the Multitronic gearbox, the 3.0 TDI V6, the ZF 6HP gearbox, the 2.0 TDI and the Audi 3.0 TFSI V6. None has a «Buy» verdict; the safest option is the Audi 3.0 TFSI V6, with a «With caution» verdict.[1][2][3]

Outside the engine: Outside the engine, the most important warning on the A6 C6 is Takata campaign 69EQ, which covers units built up to August 2011 because of the risk of the front airbag fragmenting in a crash. The other documented points are known mechanical weak spots: the Multitronic automatic gearbox on front-wheel-drive versions, the compressor of the optional air suspension and the loss of brightness of the xenon headlights over the years.[4][5][6][7]

Audi A6 C6 (2004–2011)
Photo: Mari gazel · CC BY-SA 3.0 · Wikimedia Commons. Reference image for this generation.
02468105.6out of 10

Audi A6 C6 rating: acceptable reliability

Calculated using only 22 documented faults and their sources: the most serious and frequent faults weigh more. How it is calculated

  • Engine5.9From 5.2 to 6.9 depending on the engine
  • Gearbox6.0Manual: no faults · Multitronic: 3.3 · ZF 6HP: 4.6
  • Suspension7.91 fault and ITV (technical inspection)
  • Brakes8.2Technical inspection (ITV) only: 0.7 times the defects normal for its age
  • Tyres and wheels10.0No documented faults
  • Steering9.0Technical inspection (ITV) only: 0.4 times the defects normal for its age
  • Electrical system10.0No documented faults
  • Headlights and lights8.21 fault and ITV (technical inspection)
  • Electronics and infotainment10.0No documented faults
  • Climate control10.0No documented faults
  • Bodywork and interior8.6Technical inspection (ITV) only: 0.5 times the defects normal for its age
  • Airbags and safety7.11 fault

Ranked 63 of 95 among the saloons with solid evidence. See the ranking

The weak points of the Audi A6 C6

  1. 1Critical severity: Wear of the variator chain and conesMultitronic gearbox
  2. 2High severity: Control unit (TCU) failure and limp modeMultitronic gearbox
  3. 3High severity: Failing water pump and cooling system leaks3.0 TDI V6 engine
  4. 4High severity: Valve body and mechatronic failure: erratic shifts or a locked-up gearboxZF 6HP gearbox · repair €6,000–€10,000
  5. 5High severity: Wear and failures of the Multitronic automatic gearbox on front-wheel-drive versionsGearbox and clutch · repair €1,000

Documented engines, from highest to lowest risk

The first label is the most serious fault affecting that engine in this car; the second, our verdict for the versions it is fitted to. Each engine's risk index is calculated only from the faults that affect this car (how we calculate it). We only show engines we have documented with sources: if yours does not appear, we have not analysed it yet. View all engines

See what to check before buying

Outside the engine

1 recall or campaign documented, the latest: Takata airbag recall (campaign 69EQ). See the campaigns for the Audi A6 C6

40 sourcesHow we work

Audi Multitronic (01J/0AW)

In the A6 C6
2004–2011[8]
Name
multitronic
Faults that affect it
3 · 2 of high or critical severity
Risk index on this car
64
High risk

Verdict for the versions it uses

  • Multitronic 01J (1999-2007)1999–2007 · 01J

    With caution

    It is the generation with the most documented control unit failures, jerking when pulling away and chain wear; it is only worth considering if the gearbox oil change history is verified, there are no stored fault codes and a cold road test shows no jerks or noises.[9][10]

  • Multitronic 0AW (2007-2014)2007–2014 · 0AW

    With caution

    It notably improves on the 01J's reliability, above all in the control unit, but none of the sources consulted says it completely eliminates chain wear or jerking when pulling away; apply the same checks as for the 01J before buying.[10]

Faults that affect the A6 C6

  1. Critical severityFrequency: CommonTransmissionWear of the variator chain and conesYes: the variator uses a chain of more than 1,000 links between two pairs of cones that wears with mileage, especially if the oil is not changed regularly. Gebrauchtwagenberater ties the gearbox's reputation to "numerous total failures"; Schaeffler/LuK sells a kit to repair the chain.
  2. High severityFrequency: CommonElectronicsControl unit (TCU) failure and limp modeYes: the multitronic control unit, especially in the 01J code (up to 2007), is one of its best-documented weak points. Overheating with oil seeping into the control unit causes fault warnings and limp mode and, if ignored, can end up damaging the gearbox itself.
  3. Medium severityFrequency: CommonClutchJerking and vibration when pulling away from cold (multi-plate clutch)Yes: with no torque converter, the multitronic pulls away using an electronic multi-plate clutch that can jerk or vibrate, especially when cold, if its plates are worn or the oil no longer has the right properties. It is one of the most cited fault symptoms of this gearbox.

A6 C6 Multitronic gearbox pageAll versions and faults of the Multitronic

VW/Audi 3.0 TDI V6 (EA896 and EA897) · Diesel

In the A6 C6
2004–2011[11]
Name
3.0 TDI quattro
Faults that affect it
5 · 3 of high or critical severity
Risk index on this car
48
Moderate risk

Verdict for the versions it uses

Faults that affect the A6 C6

Only those that affect the versions and years that this car used. The 3.0 TDI V6 has 7 documented faults in total.

  1. High severityFrequency: CommonCoolingFailing water pump and cooling system leaksOn the 3.0 TDI the water pump can fail and, from 2010, overheat to the point of damaging the engine (the A6 C6 guide cites a service action). Owners also cite coolant leaks from hoses, the regulating valve and the cooler.
  2. High severityFrequency: OccasionalTimingTiming chain stretch and tensioner wearOn the 3.0 TDI V6 the timing chain is at the gearbox end and its tensioner can lose tension: it rattles on a cold start and, if the chain stretches, the timing goes out and the engine is at risk. Replacing it means opening the engine and costs several thousand euros.
  3. High severityFrequency: OccasionalInjectionInjector wear (needle seat) and injection faultsGerman guides point to wear of the needle seat of the 3.0 TDI injectors: they stop closing properly, diesel drips into the cylinder and dilutes the oil. Smoke from the exhaust can be the warning, and reports on the 313 hp twin-turbo repeat injection faults.
  4. Medium severityFrequency: CommonEmissions controlFaulty EGR valve and EGR coolerOn the first-generation EA896 engines the EGR valve and cooler often fail: Audi talks about around 15% of units compared with 1-2 in every 1,000 in the second generation (a figure cited by Wikipedia). The cooler clogs with soot and can lose coolant.
  5. Medium severityFrequency: OccasionalIntakeWorn intake flaps (swirl) and intake manifoldOn V6 TDI engines from 2004 to 2010 the control of the intake (swirl) flaps can develop play and turn on the engine warning light with code P3134. Hella says the flap and actuator form one unit and are replaced together; on the Q7 4L it is the category owners cite most.

A6 C6 3.0 TDI V6 pageAll versions and faults of the 3.0 TDI V6

ZF 6HP (caja automática de convertidor de par, 6 velocidades)

In the A6 C6
2004–2011[6][15]
Names
A6 3.0 TDI quattro tiptronic · A6 3.2 FSI quattro tiptronic
Faults that affect it
3 · 1 of high or critical severity
Risk index on this car
46
Moderate risk

Verdict for the versions it uses

  • 1st generation (6HP19/26/32, 2000-2006)2000–2006 · 6HP19, 6HP19A, 6HP26, 6HP26A, 6HP26X, 6HP26Z, 6HP32, 6HP32A

    With caution

    Cars with this first generation are now around 20-26 years old in 2026 and often accumulate the same weak points as the whole 6HP family (jerking, valve body or mechatronic faults), documented on BMW, Audi and Land Rover; check the gearbox oil change history before buying.[6][16][17]

  • 2nd generation (6HP21/28/32, 2007-2014)2007–2014 · 6HP21, 6HP28, 6HP28X, 6HP32, 6HP32A

    With caution

    The 2007 revision did not eliminate the family's weak points: jerking and mechatronic faults are still documented on cars with this version, and Jaguar ended up replacing the 6HP with the ZF 8HP on the XF as early as 2012. It is still worth checking the gearbox service history before buying.[18][19][20]

Faults that affect the A6 C6

  1. High severityFrequency: CommonElectronicsValve body and mechatronic failure: erratic shifts or a locked-up gearboxYes, and it can be serious: there are documented failures of the ZF 6HP valve body or mechatronic unit on BMW, Audi and Land Rover models from around 90,000-100,000 km, with cases that go as far as preventing a gear from engaging (including reverse) and dealer quotes of €6,000 to €10,000.Repair: €6,000–€10,000Appears at around 90,000 km
  2. Medium severityFrequency: CommonTransmissionJerking and harsh shifts from converter wear and ageing oilYes: on BMW, Audi and Land Rover models with the ZF 6HP there are reports of jerking, hesitation and harsh shifts from 80,000-150,000 km, especially if the gearbox oil has never been changed. The converter locks up in all six gears to save fuel, which speeds up its wear over the years.Repair (garage): €150–€400Appears at around 80,000 km
  3. Medium severityFrequency: OccasionalLubricationOil leaks from the sump or the gearbox sealsYes, although in a minority of cases: there are reports of ZF 6HP gearbox oil leaks on the BMW X5 (at 180,000 km) and the Audi A6 (between 204,000 and 208,000 km). If not repaired, the loss of pressure can speed up internal wear and lead to valve body or mechatronic failure.Repair (garage): €300–€600Appears at around 180,000 km

A6 C6 ZF 6HP gearbox pageAll versions and faults of the ZF 6HP

Volkswagen 2.0 TDI (EA189, EA288 and EA288 evo) · Diesel

In the A6 C6
2004–2011[21][22]
Name
2.0 TDI 140
Faults that affect it
3 · 2 of high or critical severity
Risk index on this car
45
Moderate risk

Verdict for the version it uses

  • 2.0 TDI pumpe-düse unit injector (EA188, 2003-2010)2003–2010 · 136–170 hp · AZV, BKD, BLB, BRE, BKP, BMN, BMR, BMA, BMM

    With caution

    Caradisiac points to numerous cases of a weak oil pump on the 140 hp 2.0 TDI, and MotorReviewer attributes to a defect in the pump shaft failures that start with the turbo. Check the oil pressure and the history.[21][23]

Faults that affect the A6 C6

Only those that affect the versions and years that this car used. The 2.0 TDI has 8 documented faults in total.

  1. Critical severityFrequency: OccasionalLubricationOil pump failure on the pumpe-düse 2.0 TDIOn the pumpe-düse 2.0 TDI (2003-2010), especially the 140 hp, there are numerous cases of an oil pump that does not provide enough pressure. If lubrication fails, the first thing to break is usually the turbo.
  2. High severityFrequency: OccasionalTurboTurbo with seized vanes or premature failureOn the 110 and 140 hp 2.0 TDI engines, the vanes of the variable-geometry turbo get dirty and seize and the engine loses power. On some 140 hp units the turbo has failed before 70,000 km.Repair (garage): €1,000
  3. Medium severityFrequency: CommonEmissions controlDirty EGR valve and EGR cooler leaksThe 2.0 TDI's EGR valve often fills with carbon, especially with short journeys, and causes smoke and loss of power. On the EA189, the EGR cooler can also lose coolant.Repair (garage): €100–€300

A6 C6 2.0 TDI pageAll versions and faults of the 2.0 TDI

Audi 3.0 TFSI V6

Safest option

Audi 3.0 TFSI V6 con compresor (EA837) and turbo (EA839, 3.0 and 2.9 TFSI) · Petrol

In the A6 C6
2008–2011[24][25]
Name
3.0 TFSI quattro 290 CV
Faults that affect it
4 · 1 of high or critical severity
Risk index on this car
31
Moderate risk

Verdict for the version it uses

  • 3.0 TFSI 290 hp supercharged (CAJA, CGWA; 2008-2013)2008–2013 · 290 hp · CAJA, CGWA

    With caution

    The guides do not report serious faults specific to this version, but at 12-18 years old it is worth checking the thermostat and water pump history and listening to the chain on a cold start, which are the points cited for this V6.[1][2][3]

Faults that affect the A6 C6

Only those that affect the versions and years that this car used. The Audi 3.0 TFSI V6 has 5 documented faults in total.

  1. High severityFrequency: OccasionalFuelFuel leak at the injection rails (2015 and 2019 campaigns)Audi recalled cars with the 3.0 TFSI over possible leaks from the fuel rails: one campaign in 2015 (built between April 2011 and April 2012) and another in 2019 (low-pressure rails, built between 2014 and 2016). You notice it by a smell of petrol; the fix is to replace the rails.
  2. Medium severityFrequency: OccasionalCoolingLeak at the thermostat housing and water pumpTechnical guides cite coolant leaks from the plastic thermostat housing and from the water pump of the supercharged 3.0 TFSI, and Audi also replaced the thermostat in a 2015 campaign. You notice it by falling coolant and, if ignored, by overheating.
  3. Low severityFrequency: CommonIntakeCarbon build-up on the intake valves (direct injection)Like any direct-injection engine, the 3.0 TFSI accumulates carbon on the intake valves, because the fuel does not wash them; guides put it at around 95,000 km and it causes rough idle and loss of power. The 333 hp versions from 2014 add indirect injection.
  4. Low severityFrequency: OccasionalLubricationPCV valve failure (crankcase ventilation)The PCV valve in the 3.0 TFSI's crankcase ventilation can fail with age and mileage: parts supplier and workshop guides cite rough idle, vacuum leaks and higher oil consumption. It is a minor fault, with no campaign or published statistics.

A6 C6 Audi 3.0 TFSI V6 pageAll versions and faults of the Audi 3.0 TFSI V6

Faults of the Audi A6 C6 outside the engine

Suspension, brakes, tyres, electronics and the rest of the car. They occur with any engine.

What the MOT inspection finds on the Audi A6 C6

Official Dutch MOT (APK) inspection data: 2,433 inspections of 900 cars registered between 2005 and 2010, compared with cars of the same age.

  • Suspension and axles· counts in the score

    Defects in 7.4% of inspections; in cars of its age, 9.5%.

    Fewer defects than average
  • Brakes· counts in the score

    Defects in 7.3% of inspections; in cars of its age, 10.2%.

    Fewer defects than average
  • Steering· counts in the score

    Defects in 1.1% of inspections; in cars of its age, 3.4%.

    Fewer defects than average
  • Headlights and lights· counts in the score

    Defects in 22.9% of inspections; in cars of its age, 27.1%.

    Average
  • Rust and bodywork· counts in the score

    Defects in 0.5% of inspections; in cars of its age, 1.3%.

    Fewer defects than average
  • Exhaust and emissions

    Defects in 5.6% of inspections; in cars of its age, 4.9%.

    Average
  • Fluid leaks

    Defects in 11.2% of inspections; in cars of its age, 8.6%.

    More defects than average
  • Glass, wipers and mirrors

    Defects in 4.5% of inspections; in cars of its age, 5.7%.

    Average
  • Tyres and wheels· depends mostly on maintenance

    Defects in 19% of inspections; in cars of its age, 17.8%.

    Average

The inspection measures wear and the defects visible at a periodic check, not engine or electronics failures. Source: RDW Open Data (public domain). How we calculate it · opendata.rdw.nl

Checklist for buying a used Audi A6 C6

Check the advert or the paperwork to see which engine the car has and go through its section. Each point comes from a documented fault; you can tick them off as you inspect.

If it has the Multitronic gearbox (2004–2011)

If it has the 3.0 TDI V6 (2004–2011)

If it has the ZF 6HP gearbox (2004–2011)

If it has the 2.0 TDI (2004–2011)

If it has the Audi 3.0 TFSI V6 (2008–2011)

Wear parts for the Audi A6 C6

Brakes, wiper blades, pollen filter and battery, searched for this model. The exact part number depends on the engine and year: confirm it with the registration plate or VIN.

Affiliate links: if you buy from these shops, MotorFiable may receive a commission at no cost to you. Check compatibility against the registration plate or VIN before ordering. Affiliate links

Buying a Audi A6 C6?

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Own a Audi A6 C6? Tell us what faults you have had, at what mileage and how much you paid. Report your fault.

Frequently asked questions

Is the Audi A6 C6 reliable?

All 3 engines and 2 gearboxes of the Audi A6 C6 that we have documented have high or critical severity faults: the Multitronic gearbox, the 3.0 TDI V6, the ZF 6HP gearbox, the 2.0 TDI and the Audi 3.0 TFSI V6. None has a «Buy» verdict; the safest option is the Audi 3.0 TFSI V6, with a «With caution» verdict. Outside the engine, the most important warning on the A6 C6 is Takata campaign 69EQ, which covers units built up to August 2011 because of the risk of the front airbag fragmenting in a crash. The other documented points are known mechanical weak spots: the Multitronic automatic gearbox on front-wheel-drive versions, the compressor of the optional air suspension and the loss of brightness of the xenon headlights over the years.

Which Audi A6 C6 engine is the most reliable?

Among the 3 engines and 2 gearboxes we have documented, none has a «Buy» verdict; the safest option is the Audi 3.0 TFSI V6, with a «With caution» verdict. The guides do not report serious faults specific to this version, but at 12-18 years old it is worth checking the thermostat and water pump history and listening to the chain on a cold start, which are the points cited for this V6.[1][2][3]

What problems does the Audi A6 C6 have apart from the engine?

Outside the engine, the most important warning on the A6 C6 is Takata campaign 69EQ, which covers units built up to August 2011 because of the risk of the front airbag fragmenting in a crash. The other documented points are known mechanical weak spots: the Multitronic automatic gearbox on front-wheel-drive versions, the compressor of the optional air suspension and the loss of brightness of the xenon headlights over the years. The most important documented faults are: wear and failures of the Multitronic automatic gearbox on front-wheel-drive versions (gearbox and clutch, high severity), takata recall: the front airbag can fragment in a crash (campaign 69EQ) (airbags and safety, critical severity), failure of the adaptive air suspension compressor (equipped versions) (suspension, high severity) and loss of brightness of the xenon headlights over the years (headlights and lights, medium severity).[4][5][6][7]

What faults does the Audi A6 C6 have?

The most important by severity and frequency, on the engines we have documented, are: wear of the variator chain and cones (Multitronic, critical severity), control unit (TCU) failure and limp mode (Multitronic, high severity), failing water pump and cooling system leaks (3.0 TDI V6, high severity), valve body and mechatronic failure: erratic shifts or a locked-up gearbox (ZF 6HP, high severity) and oil pump failure on the pumpe-düse 2.0 TDI (2.0 TDI, critical severity).

What is the best year to buy a Audi A6 C6?

According to our rating by year, the best are 2011, 2010, 2009 and 1 other years with the same rating (5.8/10); the worst rated is 2004 (5.3/10). Each year's rating counts only the engines sold that year and the faults that affect those units: open each year to see what changes.

Does the Audi A6 C6 have recalls?

Yes: we have documented one campaign for the Audi A6 C6, such as takata airbag recall (campaign 69EQ) (2023). Check with your VIN at the official service centre whether yours has been done.[4]

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Audi A6 C7 4G 2011-2018 Probleme und SchwachstellenGebrauchtwagenberater · Motoring press · consulted 9 October 2026 · in German
  2. Audi A6 C7: typische Probleme und Diagnose mit ODISKfz-Meisterbetrieb Dietrich (blog de taller) · Other source · consulted 9 October 2026 · in German
  3. Gebrauchter Audi A6 und S6 C7 ZuverlässigkeitsleitfadenEuro Premium Parts (blog de recambista) · Other source · published 29 November 2025 · consulted 9 October 2026 · in German
  4. Audi A4 (2004-2011): recall by Takata airbagcar-recalls.eu · Other source · published 2023 · consulted 27 September 2026
  5. Seguimos a vueltas con los airbag defectuosos de Takata: ojo si tienes un Audi, BMW o Skoda de hace unos añosCoches.com · Motoring press · consulted 27 September 2026 · in Spanish
  6. Fiabilité Audi A6 (2004-2010): pannes et avis de propriétairesFiches-auto.fr · Other source · consulted 27 September 2026 · in French
  7. Audi A6 (Typ 4F, C6): Schwachstellen und KaufberatungGebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
  8. Audi A6Wikipedia · Other source · consulted 27 September 2026 · in Spanish
  9. MultitronicWikipedia · Other source · consulted 27 September 2026
  10. Typische Probleme & Haltbarkeit der MultitronicGebrauchtwagenberater · Motoring press · consulted 27 September 2026 · in German
  11. VW EA896Wikipedia (de) · Other source · consulted 9 October 2026 · in German
  12. Audi A4, A6, A8, Q7: error code P3134 and engine warning lamp lights upHELLA Tech World · Technical documentation · consulted 9 October 2026
  13. Tous les problèmes sur Audi Q7 2006-2014 (130 témoignages)Fiches-auto.fr · Owners' forum · consulted 9 October 2026 · in French
  14. Audi A5 8T (B8): Probleme, Schwachstellen & KaufberatungGebrauchtwagenberater.de · Motoring press · published 20 January 2022 · consulted 9 October 2026 · in German
  15. ZF 6HP transmissionWikipedia (en) · Other source · consulted 27 September 2026
  16. Fiabilité BMW Série 5 (2003-2010), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
  17. Fiabilité Land Rover Range Rover Sport (2005-2013), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
  18. Jaguar XFWikipedia (en) · Other source · consulted 27 September 2026
  19. Fiabilité BMW X3 (2004-2010), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
  20. Fiabilité Audi A8 (2002-2010), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
  21. Audi A6 III (2004-2011) : la fiche express fiabilité de CaradisiacCaradisiac · Motoring press · published 4 July 2022 · consulted 26 September 2026 · in French
  22. VW EA188Wikipedia (alemán) · Other source · consulted 26 September 2026 · in German
  23. VW/Audi 2.0 TDI PD EA188 Engine Specs, Problems, Reliability, Oil, InfoMotorReviewer · Other source · consulted 26 September 2026
  24. Audi 3.0 TFSIAUTO BILD · Motoring press · published 27 June 2008 · consulted 9 October 2026 · in German
  25. Audi EA837: códigos de motor del 3.0 TFSIMyMotorList (base de datos de motores) · Other source · consulted 9 October 2026
  26. Fiabilité Audi A6 (2011-2018) (106 témoignages)Fiches-auto.fr · Owners' forum · consulted 9 October 2026 · in French
  27. Tous les problèmes sur Audi Q5 2008-2017 (322 témoignages)Fiches-auto.fr · Owners' forum · consulted 9 October 2026 · in French
  28. 3.0 TDI: Viele Probleme, teure WartungGebrauchtwagenberater.de · Motoring press · published 28 January 2023 · consulted 9 October 2026 · in German
  29. VW Touareg 3.0 TDI – typische Probleme und ODIS-DiagnoseKFZ Dietrich (taller, Hardegsen) · Other source · published 22 April 2026 · consulted 9 October 2026 · in German
  30. El aceite de la caja de cambios automática que el fabricante no cambia: evita una avería de 3.000 eurosMotor16 · Motoring press · published 26 September 2026 · consulted 27 September 2026 · in Spanish
  31. Un Volkswagen Tiguan en occasion : les meilleures versions par budget, et la fiabilitéCaradisiac · Motoring press · published 1 April 2025 · consulted 26 September 2026 · in French
  32. VW EA189Wikipedia (alemán) · Other source · consulted 26 September 2026 · in German
  33. Cómo saber si el turbo está roto o a punto de romperseMotor.es · Motoring press · published 4 May 2020 · consulted 26 September 2026 · in Spanish
  34. Fiabilité du Volkswagen Touran 2 : la maxi-fiche occasion de CaradisiacCaradisiac · Motoring press · published 3 May 2018 · consulted 26 September 2026 · in French
  35. Audi: Ersatz des KraftstoffverteilersÖAMTC · Consumer association · published 19 February 2019 · consulted 9 October 2026 · in German
  36. DVSA – base de llamadas a revisión (R/2015/031 y R/2019/099)DVSA (Reino Unido) · Other source · consulted 9 October 2026
  37. Fuel rail fault prompts Audi recallGoAuto · Motoring press · published 30 January 2015 · consulted 9 October 2026
  38. Common Problems of Audi A6 C7 3.0 TFSI: A Comprehensive GuideEuro Auto Pro (blog de taller, Australia) · Other source · published 6 October 2024 · consulted 9 October 2026
  39. Undichtigkeit im Einspritzsystem: Audi-Rückruf läuft bereitsÖAMTC · Consumer association · consulted 9 October 2026 · in German
  40. Audi Q5: Probleme und SchwachstellenGebrauchtwagenberater · Motoring press · consulted 9 October 2026 · in German