Audi · Wagon · 2006–2011
Audi S6 C6 Avant
Weaknesses, engine ratings and buying advice
★★★★★
1.0 / 5.0 · Based on 1 engine variants Engine Overview
The Audi S6 C6 Avant is available with one engine variant at 435 hp.
S6
2006 2011
Stay Away! 11 weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Air suspension compressor failure Vehicles with the optional air suspension (AAS) frequently suffer compressor failures that can cause the car to sink completely. Typical from 100,000 km. Symptoms: Car sinks on one side or completely, 'Suspension system fault' warning, compressor runs continuously from 100,000 km | High | |
| Control arms worn by high vehicle weight The vehicle weight of up to two tonnes leads to increased wear across the entire wheel suspension. Control arms are typically the first components that need replacing. Symptoms: Knocking over bumps, poor cornering behaviour, steering shimmy at higher speeds from 120,000 km | High |
Frequently Asked Questions
What problems and weaknesses does the Audi S6 C6 Avant have? +
The Audi S6 C6 as Avant has 16 known weaknesses, 5 vehicle-related.
Which engine is recommended? +
None of the available engines are rated 'Good Choice'. Stay Away!!
Is the Audi S6 C6 Avant worth buying used? +
Caution is advised with the Audi S6 C6 Avant — 1 of 1 engine variants are rated 'Stay Away!'.
Last updated: February 2026 · All information without guarantee