2003 Audi A6: common problems and reliability

The 2003 Audi A6 has 76 owner-filed NHTSA complaints and 7 recalls on record. The most-reported areas are fuel system and gasoline. 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 2003 model year

76
Owner complaints
7
Recalls
1
Crash reports
5
Fire reports

Source: NHTSA complaints and recalls filed for 2003 Audi A6 vehicles (US, public record).

Is 2003 a good year for the A6?

Across the 25 A6 model years we track, complaint volume runs from 1 (2023) to 231 (1999). With 76 complaints, the 2003 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
18
gasoline
16
electrical system
14
power train
12
tires
8

Recalls affecting the 2003 A6

fuel system, other:storage:tank assembly

Campaign 11V267000

VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2001-2004 AUDI A6, MODEL YEAR 2002-2003 S6 AND MODEL YEAR 2003 RS6 VEHICLES EQUIPPED WITH 4.2L ENGINES AND MANUFACTURED FROM JUNE 19, 2001, THROUGH JUNE 8, 2004. THE AGING OF TH…

fuel system, gasoline:storage:tank assembly

Campaign 08V157000

VOLKSWAGEN IS RECALLING 68,240 MY 2001-2004 AUDI A6 QUATTRO VEHICLES EQUIPPED WITH 2.7L, 2.8L, OR 3.0L ENGINES AND MY 2001-2005 ALLROAD QUATTRO VEHICLES EQUIPPED WITH 2.7L OR 4.2L ENGINES. THE AGING OF THE PLASTIC MATERI…

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:delivery:fuel pump

Campaign 06V017000

ON CERTAIN VEHICLES PRODUCED FROM SEPTEMBER 2002 - MARCH 2003, EQUIPPED WITH 1.8L TURBO, 2.8L V6, OR 3.0L ENGINES, A CHANGE IN THE ELECTRICAL MOTOR COMPONENTS IN THE FUEL PUMP CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, UL…

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 2003 ranks against the rest.

2025 A62023 A62021 A62020 A62019 A62018 A62016 A62015 A62014 A62013 A62012 A62011 A62008 A62007 A62006 A62005 A62004 A62002 A62001 A62000 A61999 A61998 A61997 A61996 A6

Compare the A6 against its rivals

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Full Audi A6 owner reportCompare against another car