Model years Audi A4

2006 Audi A4

Complaints about this year name headlight far more often than the model's other years — 40% of them, about 100× the usual rate of 0.4%.

NHTSA opened a defect investigation into this model year.

Complaints filed298
Median for this model71
Involving a crash9
Involving a fire4
Recalls3
EPA combined22 mpg

What the complaints were about

Words owners used for the same problem are counted together, so a fault written four different ways is measured once. Grouped by which complaints they appear in, not by a list anyone wrote in advance.

Also unusual this year

What owners wrote

HEADLIGHTS WILL FLICKER / TURN OFF INTERMITTENTLY WHEN BRAKING OR TRAVELING OVER SMALL BUMPS RESULTING IN A LOSS OF VISION AT NIGHT. THIS WILL SOMETIMES GIVE THE ERROR "DIPPED HEADLIGHT" AND CAUSE THE HEADLIGHT TO TURN OFF AND REMAIN OFF UNTIL IT IS RESET.
PROBLEM STARTED SOME 3-4 MONTHS AGO, AT THE BEGINNING MY RIGHT BI-XENON HEADLIGHT STARTED JUST FLICKERING, BUT NOW, AFTER THEY FLICKER, THEY TURN OFF. I RECEIVE A MESSAGE ON THE DASH STATING "DIPPED RIGHT HEADLIGHT." AFTER I TURN OFF BOTH HEADLIGHTS ON THE SWI…

Verbatim from NHTSA complaint filings, with identifying details removed.

Recalls for this year

Own a 2006 Audi A4? What happened to yours?

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How this was worked out

Every year of the Audi A4 was compared against its own history rather than against other cars, which removes popularity and age from the answer — a common car draws more complaints at equal reliability, and an older one has had longer to accumulate them. A year is flagged when it drew at least 2.5× this model's median and at least 50 complaints.

This is a fault record, not a review. Nobody files a federal complaint to say the car was fine, so it shows what tends to go wrong — not whether owners liked it, and not whether it is a good car.

Source: NHTSA complaints, recalls and investigations, retrieved . Look this vehicle up directly on NHTSA's site to check anything here.

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