Audi A4 reliability by year
8 recalls and 1,472 owner complaints across 18 model years. Best year to buy: 2018. Year to avoid: 2009.
Worst model years to avoid → — the single year to avoid for every model line we track, ranked side by side.
At-a-glance: every year color-coded
Each cell shows the last two digits of the model year and its 0–10 reliability score from NHTSA data. Click any year to see the full record. ★ best year · ✕ year to avoid.
Year-by-year reliability 18 model years · newest first
Common trouble spots across the A4 aggregated across 18 model years
Common questions
What's the best year to buy a Audi A4?
Based on NHTSA complaint volume and severity weighting, the 2018 Audi A4 scores 8.4/10 — the strongest in the 2005–2024 range. 27 complaints on file, 0 active recalls. Reliability scores reflect the federal complaint record, not subjective owner reviews.
Which Audi A4 year should I avoid?
The 2009 Audi A4 scores 6.8/10 — the weakest in the lineup. 142 owner complaints with NHTSA, 2 active recalls. That doesn't mean every 2009 is a problem — it means failure rates run higher than peer model years on the same platform.
Which years of the Audi A4 should I avoid?
No Audi A4 model year currently rises to an "avoid" or "high-risk" verdict on the NHTSA data — either the record is clean or sample sizes are still too thin for a confident call. The year-by-year breakdown below shows what's on file regardless.
How many years of the Audi A4 are tracked?
18 model years (2005 through 2024) with NHTSA records on file. Total across the lineup: 8 recalls and 1,472 owner complaints.
What's the most-reported problem on the Audi A4?
airbags is the most-reported category — 335 complaints across 9 model years. Average shop repair runs about $1,100.