Audi Settles Class Action Engine Sludge Lawsuit
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The Volkswagen Group, parent company of Audi, has reached a settlement on a class-action lawsuit claiming 500,000 of their vehicles were prone to engine damage from oil sludge. The Audi vehicles involved in the settlement are the 1997-2004 A4, including the sedan, wagon, and convertible body styles.
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Oil Sludge in the 1.8L Turbocharged Engine
From 1997-2005, Audi 1.8-liter turbocharged engines came with a tiny 3.7 quart oil capacity. That’s simply not a lot of oil to cool down this hot engine. In 2004, following numerous sludge complaints, Audi extended the warranty on some of
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Related Audi Generations
At least one model year in these 2 generations have a relationship to this story.
We track this because a generation is just a group of model years where very little changes from year-to-year. Chances are owners throughout these generation will want to know about this news. Click on a generation for more information.
1st Generation A4
- Years
- 1996–2000
- Reliability
- 30th out of 39
- PainRank™
- 1.79
- Complaints
- 16
2nd Generation A4
- Years
- 2001–2004
- Reliability
- 38th out of 39
- PainRank™
- 7.69
- Complaints
- 38