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Photo: Thomas doerfer, CC BY 3.0, via Wikimedia Commons

Used Audi A6 C7: reliability, problems and review

Family car · 2011–2018 · Diesel

✓ 12 sources cited · updated on 21 October 2026

Good choice, check first
Reliability
4.0/5
Indicative score: faults cited by a single source
Estimated monthly cost
€459/month
Indicative prices
€11,945 – €23,250

4 known faults

This guide has not been translated yet: it is shown in its original French version.

Photo: Thomas doerfer, CC BY 3.0, via Wikimedia Commons

Photo 1 of 5

Audi A6 C7, front three-quarter view

Photo: Thomas doerfer, CC BY 3.0, via Wikimedia Commons

Verdict

Good choice, check first

Grande routière diesel de 2011-2018 au coffre de 565 litres (Avant). Les diesels cumulent des points faibles documentés : filtre à particules et vanne EGR, fuites de liquide de refroidissement sur le 3.0 TDI, AdBlue et logiciel d'émissions sur les Euro 6, suspension pneumatique. CarVerif conseille les 2015-2018 et d'éviter les 2011-2013. Exigez l'historique des rappels et un contrôle indépendant.

Reliability
4.0/5
Indicative prices
€11,945 – €23,250
Monthly cost
€459
Euro NCAP
Rating not found

Which version to choose

Versions to favour: 2.0 TDI 177 Multitronic.

  • 2.0 TDI 177 Multitronic

    ✓ Recommended

    Diesel · Automatic · 177 hp · 5.1 L/100 km · 135 g CO₂/km · Crit'Air 2

    Quatre-cylindres diesel de 177 ch (380 Nm), boîte automatique Multitronic, traction ; 5,1 l/100 km et 135 g/km de CO2 (L'argus, Avant).

    Engine: Volkswagen 2.0 TDI EA189 (common rail)

    Verdict on this engine: Good choice, check first

  • 3.0 V6 TDI 245 quattro

    Diesel · Automatic · 245 hp · 5.9 L/100 km · 156 g CO₂/km · Crit'Air 2

    V6 diesel de 245 ch, boîte automatique S tronic à 7 rapports, transmission intégrale ; 5,9 l/100 km et 156 g/km de CO2 (L'argus, Avant).

    Engine: Audi / Volkswagen 3.0 V6 TDI

    Verdict on this engine: Extra caution

Market prices

€11,945 – €23,250

Indicative range: 2012 à 2017, médianes par année de 92 annonces en ligne relevées par AutoUncle (années d'au moins 3 annonces).

Collected on 29 October 2026 from the sources below. Our own survey of listings, by year and mileage, will refine it.

Prices stable since the 28 October 2026 survey.

Valuation by year

Median of online listings per model year (years with at least 3 listings), collected on 29 October 2026.

YearMedian valueListings
2012€11,94514
2013€12,95012
2014€14,49013
2015€18,99016
2016€23,25020
2017€22,99017

Detailed Audi A6 C7 value: price by year and abroad →

Free valuation of another model →

Importing this model

Prices abroad

Yearly medians of each country's listings (AutoScout24, in euros; United Kingdom: cinch dealer, in pounds), over years with at least 3 listings. Useful to judge an import (add transport, inspection and registration).

CountryRangeMedianGap vs FranceListings
France€11,945 – €23,250 (2012 to 2017)€17,895——
Germany€9,900 – €17,974 (2012 to 2017)€11,999-33 %400
Belgium€8,200 – €16,950 (2012 to 2017)€13,825-23 %236
Spain€12,000 – €22,399 (2012 to 2017)€19,390+8 %161
Italy€9,900 – €17,900 (2012 to 2017)€14,000-22 %400

Median gap shown only when the country's estimate covers the same years as the French one. Add transport, roadworthiness test and registration.

You are importing the car to:

Import penalty (malus) in France

  • Emissions of the versions in this guide: 135 to 156 g CO₂/km (check the value on the car's registration certificate).
  • The CO₂ malus follows the scale of the year the vehicle was first registered, in France or abroad (WLTP or NEDC scale depending on its registration certificate).
  • For an imported used car, it is reduced by a flat-rate discount based on its age in months (scheme in force since 1 March 2025). The weight malus also applies on first registration in France.
  • The malus is zero for a car more than fifteen years old or first registered before 1 January 2015.

Source: BOFiP (French tax doctrine), CO₂ and weight malus · CO2 malus and weight malus: imported used car in France

Check an imported car's history

HistoVec only covers the vehicle's life in France. For a car coming from abroad, a VIN-based report helps spot inconsistent mileage or a reported accident.

Check the car's history: 20% off → (new tab)Partner link

Known faults

Note: some faults below are cited by a single source only. They are still to be confirmed and the reliability score is only indicative.

Filtre à particules et vanne EGR des diesels

Severity 2/3 · Costly

Fiches-auto relève que, sur les 2.0 TDI, les problèmes de filtre à particules sont courants. CarVerif situe le FAP du 3.0 TDI entre 120 000 et 150 000 km (réparation de 1 200 à 2 500 €) et la vanne EGR entre 100 000 et 140 000 km, et indique qu'Audi a rappelé gratuitement le FAP et l'EGR des modèles 2011-2014 pour des obstructions prématurées. Les trajets courts accélèrent l'encrassement.

Versions
2.0 TDI 177 Multitronic, 3.0 V6 TDI 245 quattro
Onset
between 100,000 km and 150,000 km
Repair
not documented

Fuites de liquide de refroidissement du 3.0 TDI

Severity 2/3 · Costly

Sur le 3.0 TDI, des durites en plastique fragile fendent dès 80 000 à 120 000 km (réparation de 400 à 900 €, durites et pompe) et peuvent mener à la surchauffe ; CarVerif évoque un rappel 69L6 de 2022 pour les durites. Source unique (CarVerif) : à confirmer.

Single source so far: to be confirmed.

Versions
3.0 V6 TDI 245 quattro
Onset
between 80,000 km and 120,000 km
Repair
€400 to €900

Suspension pneumatique : perte d'air

Severity 2/3 · Costly

Fiches-auto rappelle que la suspension pneumatique ne tient pas dans le temps : la perte d'air au niveau des coussins est fréquente, et un propriétaire a dû remplacer ses amortisseurs pneumatiques arrière après 9 ans. Source unique : à confirmer.

Single source so far: to be confirmed.

Versions
2.0 TDI 177 Multitronic, 3.0 V6 TDI 245 quattro
Onset
not documented
Repair
not documented

All faults by version and mileage →

Manufacturer recalls

Manufacturer recall campaign, fixed free of charge at a dealer:

  • AdBlue et logiciel d'émissions des Euro 6 3.0 TDI : rappel (3.0 V6 TDI 245 quattro)

See the official list on RappelConso (new tab) (French government recall site: category “Automobiles et moyens de déplacement”, search “Audi A6”). A dealer for the brand can also check, using the vehicle identification number (VIN), that recalls have been carried out.

The manufacturer recall and how to check it →

Real monthly cost

Fuel, insurance, maintenance and depreciation, excluding finance. Move the slider to match your mileage. How it is calculated

Monthly cost by item
Fuel or electricity€138
Insurance€88
Maintenance€24
Depreciation€209
Total per month€459

⚠ Estimates to treat with caution

  • Insurance: brand average, as no average is published for this model.
  • Maintenance: published servicing price plus an estimated allowance for tyres and brakes.
  • Maintenance: budget of a closely related model.
Calculation details (12,000 km a year)
Fuel (diesel)€138

2.0 TDI 177 Multitronic version: combined consumption of 5.1 L/100 km, increased by 15% for real-world driving, at 2.347 €/L, for 1,000 km a month.

5.1 × 1.15 × 2.347 € × 10 = €138

Diesel price: French national average on 7 October 2026.

Insurance€88

Average monthly premium published for this model by insurance comparison sites (comprehensive cover when stated). Your premium depends on your profile.

Depreciation€209

Value lost in a year by a typical example, from the average drop in valuation per year of age (yearly medians of listings), per month.

Inspection checklist

Things to check

  • Demander à Audi, avec le numéro de série, les rappels effectués (FAP/EGR 2011-2014, AdBlue et logiciel NOx des Euro 6 2015-2018, durites du 3.0 TDI).
  • Contrôler les durites et le niveau de liquide de refroidissement du 3.0 TDI, ainsi que toute trace de fuite.
  • Vérifier le fonctionnement du filtre à particules et de la vanne EGR : voyants, perte de puissance, mode dégradé.
  • Tester la suspension pneumatique : la voiture doit rester à hauteur après une nuit de stationnement.
  • Exiger le carnet d'entretien complet, avec vidanges de la boîte automatique.

Questions to ask the seller

  • Les rappels (FAP, EGR, AdBlue, durites de refroidissement) ont-ils été faits ? Avez-vous les attestations ?
  • Le filtre à particules, la vanne EGR ou les coussins de suspension ont-ils déjà été remplacés, et à quel kilométrage ?
  • Quel usage la voiture a-t-elle eu : trajets courts urbains ou autoroute ?

Test-drive tip: read the fault codes

A warning light that is off proves nothing: a fault may have been cleared just before the viewing. A Bluetooth OBD2 scanner, plugged in under the steering wheel and read on your phone, shows stored codes and whether all emissions readiness tests have run since the last reset.

See OBD2 scanners on Amazon → (new tab)Partner link

Electric or hybrid equivalent

No direct electric or hybrid equivalent in our guides. Simulate combustion vs electric cost

Alternatives

Photo: Charles from Port Chester, New York, CC BY 2.0

Audi A6

C8 (4K) · since 2018

Good choice, check first
Price
€28,900 – €78,990
Reliability
4.5/5
Fuel types
Petrol, Diesel, Hybrid

Photo: Rudolf Stricker, CC BY-SA 3.0

Audi A6

C6 · 2004–2011

Buy with care
Price
€4,500 – €5,000
Reliability
3.5/5
Fuel types
Petrol, Diesel

Photo: Thomas doerfer, CC BY-SA 3.0

Audi A4

B9 · 2015–2024

Buy with care
Price
€16,499 – €28,980
Reliability
3.5/5
Fuel types
Petrol, Diesel, Hybrid

Photo: Tokumeigakarinoaoshima, CC BY-SA 4.0

Volkswagen Passat

B8 · 2014–2023

Buy with care
Price
€11,000 – €24,000
Reliability
3/5
Fuel types
Petrol, Diesel, Hybrid

Photo: Vauxford, CC BY-SA 4.0

Škoda Superb

III · 2015–2024

Buy with care
Price
€8,900 – €33,200
Reliability
3.5/5
Fuel types
Petrol, Diesel, Hybrid

Photo: OWS Photography, CC BY 4.0

Jaguar XF

II (X260) · 2015–2024

Buy with care
Price
€16,000 – €20,000
Reliability
3.5/5
Fuel types
Petrol, Diesel

Before you buy: check and equip

Check the history

Before paying, check the administrative status (lien, objection, declared claims) and the mileage recorded at the roadworthiness test.

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Audi A6 C7 (timing, brakes, filters) to estimate the repairs to plan for.

Insure the car

Insurance prices vary widely from one model to another: get a quote before signing.

Frequently asked questions

Quel est le volume du coffre de l'Audi A6 C7 ?

565 litres pour l'Avant (break), 5 places, selon les fiches techniques L'argus des versions 2.0 TDI 177 et 3.0 V6 TDI 245.

Quelles années de l'Audi A6 C7 privilégier ?

Selon CarVerif, les 2015-2018 (après restylage) sont plus robustes ; les 2011-2013 sont plus sujettes aux défaillances moteur précoces avant 100 000 km.

Quelles sont les pannes fréquentes de l'Audi A6 C7 diesel ?

Le filtre à particules et la vanne EGR, les fuites de refroidissement du 3.0 TDI, les défauts AdBlue des Euro 6 et la perte d'air de la suspension pneumatique.

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