Last updated: 2026-07-17
Audi A4 vs Hyundai Ioniq 6: Reliability Compared

Audi A4

Hyundai Ioniq 6
Choosing between the Audi A4 and the Hyundai Ioniq 6? This page compares their reliability scores, NHTSA recall history, owner-reported complaints, and estimated annual repair costs so you can make a confident long-term ownership decision between these two midsize sedans.
Our reliability scores are based on NHTSA recall and complaint data, independent repair cost estimates, and sales-normalized complaint rates. The Hyundai Ioniq 6 currently leads with an average score of 77/100 compared to 73/100. Scroll down for the full year-by-year breakdown, common problem areas, and repair cost comparison.
How Do the Audi A4 and Hyundai Ioniq 6 Generations Compare?
Verdict
The Hyundai Ioniq 6 is more reliable than the Audi A4, scoring 77/100 vs 73/100.
The Hyundai Ioniq 6 slightly outperforms the Audi A4 in terms of reliability, with a higher average reliability score of 75/100 compared to the A4's 73/100. The Ioniq 6 has a lower owner complaint rate of 0.9 per 10,000 sold, significantly better than the A4's 2.8, indicating fewer issues per vehicle sold. While both vehicles have similar common problem areas, the Audi A4 has faced more recalls over its production span (16 versus 13 for the Ioniq 6). Although specific repair cost estimates for the Ioniq 6 are unavailable, the Audi A4's estimated annual repair cost of $739 is a consideration for potential buyers.
Key Differences
- 1Hyundai Ioniq 6 scores 4 points higher in reliability
- 2Hyundai Ioniq 6 has 3 fewer total recalls
- 3Hyundai Ioniq 6 has 1.9 fewer complaints per 10k sold
Category Scoreboard
Audi A4 vs Hyundai Ioniq 6: Which Is More Reliable?
| Metric | Audi A4 | Hyundai Ioniq 6 |
|---|---|---|
| Reliability Score | 73/100 | 77/100 |
| Years Tracked | 6 | 4 |
| Total Recalls | 16 | 13 |
| Complaints per 10k Sold | 2.8 | 0.9 |
| Year Wins | 2 | 0 |
What Are the Common Problems With the Audi A4 and Hyundai Ioniq 6?
The Audi A4 and Hyundai Ioniq 6 exhibit distinct problem profiles, with the A4 primarily struggling with its electrical system, accounting for 121 complaints, including 2 linked to crashes. In contrast, the Ioniq 6 also experiences electrical system issues but reports fewer complaints in this category, with 58, and only 1 crash-linked incident. The Audi A4 has notable concerns with unknown or other issues and minimal power train and air bag complaints, whereas the Ioniq 6's problem areas extend to the power train and fuel/propulsion system, with a significant issue in vehicle speed control leading to 2 crash-linked complaints. Both models show unique vulnerabilities, with the Audi A4's electrical system being a prominent concern, while the Hyundai Ioniq 6's diverse problem areas include critical safety components such as speed control.
| Component | Audi A4 | Hyundai Ioniq 6 |
|---|---|---|
| ELECTRICAL SYSTEM | 1.9Low | 0.5Very Low |
| UNKNOWN OR OTHER | 0.7Very Low | 0.1Very Low |
| POWER TRAIN | 0.1Very Low | 0.1Very Low |
| BACK OVER PREVENTION | 0.1Very Low | —None |
| AIR BAGS | 0.1Very Low | —None |
| SUSPENSION | —None | —None |
| SERVICE BRAKES | —None | —None |
| FUEL/PROPULSION SYSTEM | —None | —None |
| FORWARD COLLISION AVOIDANCE | —None | —None |
| VISIBILITY/WIPER | —None | —None |
| VEHICLE SPEED CONTROL | —None | —None |
| STEERING | —None | —None |
Complaints per 10,000 units sold, aggregated across all tracked model years from NHTSA owner reports.
Which Is Cheaper to Maintain: Audi A4 or Hyundai Ioniq 6?
How Does Audi A4 vs Hyundai Ioniq 6 Reliability Compare by Year?
| Year | Audi A4 | Hyundai Ioniq 6 | Edge |
|---|---|---|---|
| 2025 | 81/1000R / 0C | 79/1003R / 30C | Audi A4 |
| 2023 | 77/1000R / 8C | 69/1005R / 54C | Audi A4 |
Best years to cross-shop: The 2025 Audi A4 scored 81/100 and the 2025 Hyundai Ioniq 6 scored 79/100 — these represent the strongest model years in our tracking range.
Who Should Buy the Audi A4 vs the Hyundai Ioniq 6?
Audi A4 vs Hyundai Ioniq 6: Common Questions
- Is the Audi A4 more reliable than the Hyundai Ioniq 6?
- Based on our data, the Hyundai Ioniq 6 is more reliable with an average score of 77/100 compared to 73/100. The difference is modest, so both are reasonable choices.
- Which has more recalls, the Audi A4 or the Hyundai Ioniq 6?
- The Audi A4 has more recalls (16) compared to the Hyundai Ioniq 6 (13). More recalls don't always mean worse reliability — some are minor — but it's worth reviewing what each recall covers.
- Which has fewer owner complaints, the Audi A4 or the Hyundai Ioniq 6?
- Adjusted for sales volume, the Hyundai Ioniq 6 has a lower complaint rate at 0.9 per 10,000 vehicles sold versus 2.8 for the Audi A4. Normalizing by sales gives a fairer comparison than raw totals.
Related Reliability Comparisons
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Decided between Audi A4 and Hyundai Ioniq 6? Run a VIN check before you buy — uncover hidden accidents, title issues, and open recalls.
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How We Calculate Reliability Scores
Auto Reliability Index scores are calculated on a 0–100 scale using a weighted formula that combines multiple public data sources. Each factor is weighted based on its predictive value for real-world ownership experience.
Key Ranking Factors
Complaint Severity
NHTSA owner complaints weighted by component category (e.g., powertrain, safety systems, electronics, cosmetic) — safety-critical issues carry more weight than cosmetic ones. Adjusted for sales volume so high-volume models aren't unfairly penalized.
Repair Costs
Independent reliability ratings based on repair frequency, average repair costs, and severity of typical repairs for each model.
Recall Impact
Number of NHTSA recalls weighted by severity. “Stop driving” and fire-risk recalls are penalized more heavily than minor software or labeling recalls.
Issue Diversity
Measures how many major vehicle systems (engine, transmission, electrical, braking, etc.) have recorded complaints. A vehicle with issues spread across many systems may indicate systemic quality issues.
Scores are grouped into four tiers:
- 80–100: Excellent— Top-tier reliability, minimal issues
- 60–79: Good— Reliable with some minor concerns
- 40–59: Mixed— Notable issues, research before buying
- 0–39: Risky— Significant problems, proceed with caution
Data is sourced from NHTSA recall records, owner complaint filings, and independent repair databases. Scores are recalculated as new data becomes available. While the weighting model is proprietary, all underlying data sources are public and traceable.
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