Audi · Sedan · 2012–2018
Audi S6 C7 Limousine
Weaknesses, engine ratings and buying advice
★★★★★
3.0 / 5.0 · Based on 2 engine variants Engine Overview
The Audi S6 C7 Limousine is available with one engine variant at 420 hp.
S6 Engine Change
2012 2018
Be Careful 10 weaknesses
2012 2018
Be Careful 5 weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Recall 21H7: turbocharger oil strainer too fine An excessively fine oil strainer in the turbocharger oil feed causes oil starvation and can lead to turbocharger failure and engine seizure. Audi recalled all affected vehicles in 2022 (production June 2012 to March 2017, recall code 21H7). Symptoms: Power loss, engine stalling, turbocharger noise, engine seizure in extreme cases |
Frequently Asked Questions
What problems and weaknesses does the Audi S6 C7 Limousine have? +
The Audi S6 C7 as Limousine has 19 known weaknesses, 4 vehicle-related.
Which engine is recommended? +
Be Careful: CTGA (4.0L TFSI V8 BiTurbo), CTGB (4.0L TFSI V8 BiTurbo). No engine is rated 'Good Choice'.
Is the Audi S6 C7 Limousine worth buying used? +
The Audi S6 C7 Limousine requires careful consideration — choosing the right engine variant is crucial.
Last updated: February 2026 · All information without guarantee