2006 Audi A4 engine problems
The 2006 Audi A4 has 21 engine complaints filed with NHTSA — 6% of the year's total, and roughly flat versus the prior model year.
21
Engine complaints
6%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“CAR DID NOT SHOW ANY SIGNS PRIOR TO CHECK ENGINE LIGHT COMING ON. WITHIN SEVERAL MINUTES OF CHECK IN LIGHT APPEARING THE CAR BEGIN DRIVING ROUGH AND SMOKE POURED FROM UNDER THE HOOD. MY HUSBAND QUICKLY CUT THE WIRES OF THE COIL PACK FROM THE HOUSING TO PREVENT THE FIRE FROM SPREADING, AS I GRABBED…”
Common questions
How many engine complaints does the 2006 Audi A4 have?
NHTSA has 21 complaints about the 2006 Audi A4 engine — 6% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.