Audi A6 C9
Weaknesses, engine ratings and buying advice
367 PS
Elektromotor Dual Elektro
Sporting character — driving fun guaranteed
Fun to Drive!Body Variants
The Audi A6 C9 is available as Limousine and Avant — choose your body type for specific insurance data:
Generations
Engine Overview
The Audi A6 C9 is available with 2 engine variants — from 252 to 367 hp.
The Audi A6 e-tron (Elektro, 252 PS) has the Audi-A6ET-185 (Elektromotor Rear) — rated: "Be Careful", 5 known weaknesses.
The Audi A6 e-tron quattro (Elektro, 367 PS) has the Audi-A6ET-270 (Elektromotor Dual) — rated: "Be Careful", 5 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Recall: Digital Instrument Cluster Can Go Black On 2021 Audi models (predecessor platform to the C9), the digital instrument cluster can suddenly go dark due to increased connection resistance in the cable. Audi resolves this via a software update reducing sensitivity to voltage fluctuations. Symptoms: Instrument cluster display goes suddenly black while driving or on startup. | Low | |
| Recall: PHEV Battery Overheating Risk During Charging KBA action 93AD affects plug-in hybrid A6, A7, Q5 from production period 08/2019–08/2024. Cell modules in the high-voltage battery can overheat during charging and cause a vehicle fire. Software update as solution (approx. 60 min workshop visit). Symptoms: Unusual smells or heat generation during charging. | Low |
Top Reported Issues
Alternatives
Mercedes-Benz CLE C236
Mittelklasse (2023–2026)
VW ID.7 I
Mittelklasse (2023–2026)
Hyundai Ioniq 6 CE
Mittelklasse (2022–2026)
BMW i4 G26
Mittelklasse (2021–2026)
BMW 4er G22
Mittelklasse (2020–2026)
BMW 3er G20
Mittelklasse (2019–2026)
Known Problems and Issues
A total of 32 weaknesses have been documented for the Audi A6 C9 (2024–2026) — 29 engine-related and 3 vehicle-related. Typical issues affect Other, Electronics.
A6 (DRYA, 2021–2025) — Be Careful: Recall 93AD — high-voltage battery overheating, Hybrid gearbox problems S-Tronic, Timing chain stretch EA888 evo4. Power: 265 PS.
A6 (DTPA, 2018–2026) — Be Careful: Low oil pressure from variable oil pump, Camshaft breakage (material defect), Timing chain drive worn (4-chain system). Power: 340–344 PS.
A6 (DTPA, 2019–2026) — Be Careful: Low oil pressure from variable oil pump, Camshaft breakage (material defect), Timing chain drive worn (4-chain system). Power: 340–349 PS.
A6 (DTHA-220, 2023–2026) — Be Careful: Timing chain stretch, Camshaft breakage, Turbocharger failure. Power: 299 PS.
A6 (Audi-A6ET-185, 2024–2026) — Be Careful: PPE software bugs — numerous faults at market launch, 12V electrical system — deep discharge during standstill, AC charging only 11 kW as standard. Power: 252 PS.
A6 (Audi-A6ET-270, 2024–2026) — Be Careful: PPE software bugs — numerous faults at market launch, Electric motor vibration — harmonic resonance noise, 12V electrical system — deep discharge during standstill. Power: 367 PS.
What to watch out for with the Audi A6? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Audi A6 C9 have? +
What should I look for when buying a used Audi A6 C9? +
Which engine is recommended? +
Which Audi A6 C9 engine is the most fun? +
Is the Audi A6 C9 worth buying used? +
What horsepower variants are available for the Audi A6 C9? +
Last updated: February 2026 · All information without guarantee