Audi A6 C7 Limousine
Weaknesses, engine ratings and buying advice
420–519 PS
4.0L TFSI V8 BiTurbo Benzin
Last V8-powered S6 — the community knows, prices are rising
Fun to Drive!190–192 PS
1.8L TFSI Benzin
6 weaknesses
Good Choice313–320 PS
3.0L TDI V6 BiTurbo Diesel
6 weaknesses
Stay Away!Engine Overview
The Audi A6 C7 Limousine is available with 8 engine variants — from 163 to 519 hp.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| AAS Air Suspension Failure The optional air suspension (AAS) is prone to failure through porous air bellows and defective compressors. Repair costs of 600–1,800 EUR per corner are possible. Symptoms: Vehicle hangs low on one side, 'Suspension: Fault' warning in instrument cluster, rough ride from 80,000 km | Medium | |
| Wheel Bearings Wearing Prematurely Wheel bearings, particularly at the rear axle, show increased wear at higher mileages. Regularly flagged on vehicles from 80,000 km. Symptoms: Humming or droning at constant speed, noise changes when changing lanes from 85,000 km | Medium | |
| Engine Mounts Prematurely Worn On V6 and V8 engines, engine mounts often wear from around 50,000 km, causing noticeable vibrations. Symptoms: Vibrations in cabin at idle, droning when accelerating, noticeable engine roughness from 60,000 km | Medium |
Frequently Asked Questions
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Last updated: February 2026 · All information without guarantee