1999 Audi A6: common problems and reliability

The 1999 Audi A6 has 231 owner-filed NHTSA complaints and 9 recalls on record. The most-reported areas are fuel system and service brakes. Owners most often flag 2.7t turbo failure: frequency: very frequent. turbos often fail past 100,000 miles, with replacement costs of $5,000–$10,000.

Safety record for the 1999 model year

231
Owner complaints
9
Recalls
12
Crash reports
23
Fire reports

Source: NHTSA complaints and recalls filed for 1999 Audi A6 vehicles (US, public record).

Is 1999 a good year for the A6?

Across the 25 A6 model years we track, complaint volume runs from 1 (2023) to 231 (1999). With 231 complaints, the 1999 A6 sits abovethe model's median of 59.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

fuel system
41
service brakes
40
electrical system
37
hydraulic
31
gasoline
26

Recalls affecting the 1999 A6

air bags:frontal:driver side:inflator module

Campaign 20V056000

Volkswagen Group of America, Inc. (VW) is recalling certain 2000-2001 TT Roadster, 2000 TT Coupe, 1999 Audi A8, 1998-2000 Audi A6, and 1999-2000 Audi A4 vehicles equipped with Non-Azide Driver air bag Inflators (NADI) th…

electrical system

Campaign 06V198000

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH HALOGEN LOW BEAM HEADLIGHTS, CERTAIN CONNECTOR PINS IN THE HEADLIGHT SWITCH CONNECTOR COME INTO CONTACT WITH EACH OTHER CAUSING A SHORT CIRCUIT. NOTE: VEHICLES WITH XENON LOW B…

fuel system, gasoline:storage:tank assembly

Campaign 01V157000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. SULFUR IN FUEL INTERACTS WITH CERTAIN ADDITIVES FOUND IN WIDELY AVAILABLE GASOLINE CAUSING SULFUR TO BECOME DEPOSITED ON THE CONTACT POINTS OF THREE FUEL SENDING UNITS MOUNTED INS…

steering:linkages:rod:relay:connecting

Campaign 99V248000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT S…

What owners report on the 2000-2005 A6

Owners are sharply divided on this generation. The 2.7T twin-turbo engine is widely described as a powerful but unreliable and expensive-to-maintain "lemon of a motor," with many recounting repair bills in the thousands. The naturally aspirated V6 engines (2.8

  • 2.7T turbo failure: Frequency: very frequent. Turbos often fail past 100,000 miles, with replacement costs of $5,000–$10,000.
  • Timing belt due by age (every ~90,000 miles or 10 years): Frequency: very frequent. Failure can destroy the engine.
  • ABS module failure (flashing brake light and ABS light): Frequency: recurrent. Often requires rebuild or replacement.
  • Automatic transmission (ZF 5HP) failure: Frequency: recurrent. Clutch packs fry past 400 hp; the 2.7T's torque is hard on the box.
  • Suspension clunks from multiple ball joints (four per side up front): Frequency: recurrent.

Owner insights for the 2000-2005 A6. Read the full 2000-2005 owner report.

Typical used price

Used A6 listings typically run $15,991–$61,219 across 2015 to 2026 model years.

Other A6 model years

Compare every A6 year side by side to see how 1999 ranks against the rest.

2025 A62023 A62021 A62020 A62019 A62018 A62016 A62015 A62014 A62013 A62012 A62011 A62008 A62007 A62006 A62005 A62004 A62003 A62002 A62001 A62000 A61998 A61997 A61996 A6

Compare the A6 against its rivals

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