Audi A3
Problems & Worst Years

Airbag trouble is the headline for the Audi A3 in NHTSA's complaint data, across both model years on file. The 2015 car is the bigger record — 165 complaint occurrences over 13 problems, three of them at safety severity — and its top two entries are passenger side airbag malfunction (56 reports) and recall-related airbag system complaints (23 more). Another 22 reports describe recall parts simply being unavailable, meaning a meaningful slice of owners weren't complaining about a failure so much as about being unable to get the fix.

Fuel system issues form the 2015 car's second theme: 20 reports of fuel tank and pump problems, plus 11 describing fuel tank overflow and leaking. A car that spits fuel back or smells of gasoline after a fill-up is the practical symptom to check for.

The 2016 A3 tells the same airbag story at a third the volume — 56 occurrences across 11 problems. Airbag warning light illumination and recall-related airbag complaints lead at 12 reports each, with passenger airbag malfunction (a safety-severity item) close behind, then general electrical system malfunctions and a few reports of transmission failure.

One recall campaign, 24V110, is associated with both the 2015 and 2016 model years. Given how much of the complaint volume concerns airbags and unavailable recall parts, confirming this campaign is closed on the specific VIN — with paperwork — should be step one of any purchase. An airbag warning light on the dash during your test drive is a walk-away signal until it's explained.

Weigh the numbers fairly, though. Complaint counts reflect what owners filed with NHTSA, not measured failure rates, and the later year has had less time to accumulate reports. These are the top-reported issues rather than the fate of every A3, and a pre-purchase inspection plus a clean service history says more about the car in front of you than its model year does.