What are the most common Audi S6 problems?

According to Au7o's analysis of 0+ owner reports, the 2004-2004 Audi S6 has 1 documented issues. The most frequently reported are: ZF 5HP24 Tiptronic Transmission Valve Body Failure. Of these, 1 is rated critical and should be addressed promptly.

Is the Audi S6 reliable?

The 2004-2004 Audi S6 has 1 known issues documented across 0+ owner reports. 1 issue is rated critical: ZF 5HP24 Tiptronic Transmission Valve Body Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Audi S6 problems?

Repair costs for known Audi S6 issues range from $1,500 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, ZF 5HP24 Tiptronic Transmission Valve Body Failure, typically costs $1,500-$4,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

2004 Audi S6 Problems: 1 Issues Every Owner Should Know

2004 model year · 0+ owner reports · Updated April 2026

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According to Au7o's analysis of 0+ owner reports, the 2004 Audi S6 has 1 documented known issues, with 1 rated critical. The most serious is ZF 5HP24 Tiptronic Transmission Valve Body Failure ($1,500-$4,000 repair). Across all issues, repair costs range from $1,500 to $4,000. DIY maintenance guides at au7o.io.

All 1 Known Issues

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On the 2002-2004 Audi S6, the ZF 5HP24 Tiptronic automatic transmission develops valve body issues causing harsh shifts, delayed engagement, and eventually limp mode. The electronic solenoids and valve body bore wear are the primary failure modes.

This issue also affects: Acura TL, Mitsubishi Outlander, Acura ILX

Common Symptoms

Harsh shifts
Delayed engagement
Transmission limp mode
Gear hunting on hills

How to Fix

What Owners Are Using

Parts and tips from 0+ owners who fixed this issue

UpgradeReplacement shift solenoid to restore proper gear engagement (Dorman Transmission Shift Solenoid)
View on Amazon
UpgradeTransmission filter kit with gasket for fluid service after solenoid replacement (ATP Transmission Filter Kit)
View on Amazon

Typical repair cost:$1,500 - $4,000

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Community Reported

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2004 Audi S6 Problems: 1 Issues Every Owner Should Know

All 1 Known Issues

2002-2004 Audi S6: ZF 5HP24 Tiptronic Transmission Valve Body Failure#