2025 Audi S6: common problems and reliability
· C8Too new to grade yet.
4 owner complaints, most about electrical system. 3 recalls.
Should I buy a 2025 S6?The 2025 Audi S6 has 4 owner-filed NHTSA complaints and 3 recalls on record. The most-reported areas are electrical system and fuel/propulsion system. Owners most often flag software issues with the 2025 model year's new entertainment system: described as nothing but problems and a lot.
Safety record for the 2025 model year
Source: NHTSA complaints and recalls filed for 2025 Audi S6 vehicles (US, public record).
Too new to grade: we score a model year once it has been on the road for 3 years. How we score it
Is 2025 a good year for the S6?
Across the 15 S6 model years we track, complaint volume runs from 1 (2010) to 42 (2013). With 4 complaints, the 2025 S6 sits about the same as the model's median of 4.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
Where owners report problems
Recalls affecting the 2025 S6
back over prevention: sensing system: camera
Campaign 25V900000Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
seat belts:front:retractor
Campaign 25V638000Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2025 GTI, Golf R, Audi A5, A6 Sportback E-Tron, S5, S6 Sportback E-Tron, 2026 Q4 Sportback E-Tron, and Q4 E-Tron vehicles. The torsion bar in one or both front seat belt retractors may have been damaged during production.
seat belts:rear/other:retractor
Campaign 25V899000Volkswagen Group of America, Inc. (Audi) is recalling certain 2025 SQ6 E-Tron, SQ6 Sportback E-Tron, Q6 Sportback E-Tron, A6, A5, A6 Sportback E-Tron, Q6 E-Tron, S5, and S6 Sportback E-Tron vehicles. The automatic locking retractor may fail to engage when a child seat is installed using the seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 208, "Occupant Crash Protection" and 209, "Seat Belt Assemblies."
What owners report on the C8 S6
Owners of the C8 S6 broadly praise the car's power delivery, describing it as feeling like a jet and faster than advertised, with the electric supercharger and 48V mild hybrid system credited for eliminating turbo lag.
- RecurrentSoftware issues with the 2025 model year's new entertainment system
Described as nothing but problems and a lot.
- IsolatedFaulty ECM requiring replacement, with the part on back order and no ETA
- IsolatedFaulty N80 purge valve
- IsolatedAC blowing hot air with a hissing noise
- IsolatedWater pump failure leaking coolant into and contaminating vacuum lines
Requiring two weeks at the dealer to clean.
Owner insights for the C8 S6. Read the full C8 owner report.
Typical used price
Used S6 listings typically run $19,298–$37,790.
Other S6 model years
Compare every S6 year side by side to see how 2025 ranks against the rest.
Compare the S6 against its rivals
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