Last updated: 2026-10-10
Hyundai Ioniq 6 Reliability by Year
Hyundai Ioniq 6 reliability is good and above average for sedans, but ICCU failures can cut power to a crawl. Check this before you buy one.
Hyundai Ioniq 6 Reliability Overview
Used Ioniq 6 sedans hold up well and rate above average among sedans on the site. The 2024 is the year to favor, and the 2023 is the one to avoid. The main trouble in every year is the integrated charging control unit (ICCU), which can drop the car into a slow limp mode, then shut it down on the road and drain the 12-volt battery.
Current generation: 1st gen (2023–present), facelifted 2025.
Best & Worst Hyundai Ioniq 6 Years
Best Hyundai Ioniq 6 Years to Buy
Based on reliability index scoreThe 2024 logged 33 complaints against 54 for the 2023, and it has been on the road long enough for that record to mean something. It is not trouble-free. ICCU failures still show up, often around 25,000 miles. Newer years have had less time to collect complaints, so their lighter records prove less.
Hyundai Ioniq 6 Years to Avoid
Owners of 2023 cars filed 54 complaints, the most of any year. Over half were electrical, mostly ICCU failure: a power warning, a limp mode near 22 mph, then shutdown, a dead 12-volt battery and a tow. Failures came back after replacement, and parts took weeks. Others lost power with no warning, or hit false emergency braking.
Hyundai Ioniq 6 Reliability Score Trend
Hyundai Ioniq 6 reliability has improved in recent years, with newer models scoring an average of 81/100 compared to 73/100 for older years.
Scores 0–100. Higher is better.
| Year | Score | Rating |
|---|---|---|
| 2023 | 69/100 | Good |
| 2024 | 77/100 | Good |
| 2025 | 79/100 | Good |
| 2026 | 82/100 | Excellent |
Year-by-Year Reliability
2026 Hyundai Ioniq 6
0 recalls · 0 complaints
Rated best of the four scored years, with no complaints or recalls on file, though it has had little time on the road to collect any.
2025 Hyundai Ioniq 6
3 recalls · 30 complaints
Good standing among the stronger Ioniq 6 years, though early ICCU failures that cut power are the main worry, and federal records list three recalls.
2024 Hyundai Ioniq 6
5 recalls · 33 complaints
Rates good and above average among 2024 sedans, with fewer complaints than 2023, though ICCU power-loss failures and two parking-speed crashes stand out.
2023 Hyundai Ioniq 6
5 recalls · 54 complaints
The first model year and the weakest of the scored Ioniq 6 years, with the most complaints, led by ICCU failures that cause sudden power loss.
Found Your Hyundai Ioniq 6? Check Its History
Electrical system (15) problems come up most in Hyundai Ioniq 6 owner complaints, and 13 recalls cover the years we track. A VIN check shows whether the car you found had its recall work done, plus accident and title history.
- Accidents
- Open Recalls
- Title History
- Odometer Rollback
Hyundai Ioniq 6 Repair Costs
Reliability Rating
3.5/5
Hyundai Ioniq 6 Years to Avoid
See which model years have the most problems
Most Reliable Hyundai Models
Compare all Hyundai models by reliability
Compare Hyundai Ioniq 6 With Similar Sedans
The Hyundai Ioniq 6 competes with other midsize sedans such as Tesla Model 3, BMW 3 Series, and Audi A4.
Ioniq 6 vs Tesla Model 3
9 years tracked · 3948 complaints
Ioniq 6 vs BMW 3 Series
9 years tracked · 183 complaints
Ioniq 6 vs Audi A4
6 years tracked · 180 complaints
Ioniq 6 vs Mercedes-Benz C-Class
8 years tracked · 2186 complaints
Ioniq 6 vs Tesla Model S
8 years tracked · 4606 complaints
More Hyundai Ioniq 6 comparisons
Frequently Asked Questions
- What is the best year for the Hyundai Ioniq 6?
- The 2024 is the best pick among years with a real track record. It has fewer complaints than the 2023. The 2026 shows no complaints and no recalls, but it is too new to judge, so that clean record says little yet.
- Is the Hyundai Ioniq 6 reliable?
- Yes, reliability is good and above average among sedans on the site. The weak spot is the ICCU, which can cause sudden loss of drive power. Most other complaint areas are small groups, so check the ICCU history on any car you consider.
- What are the most common Hyundai Ioniq 6 problems?
- Electrical problems lead, with 58 owner complaints, and ICCU failure dominates them. A warning appears, the car slows to a crawl, and some shut down. Power train complaints come next at 16, mostly sudden loss of drive power. Horn failures and parking brake faults are smaller groups.
- What happens when the Ioniq 6 ICCU fails?
- Owners describe a check vehicle power supply or electrical warning, then a limp mode capped near 22 mph. Some cars shut down in traffic or on the highway. The 12-volt battery often dies too, so the car needs a tow and a jump. Parts can take weeks.
- Can the Ioniq 6 charge door freeze shut?
- A few owners say it can. The charge door froze after rain followed by below-freezing temperatures, then opened once the day warmed up. No warning appeared. The pattern is thin, but a driver far from home could be unable to charge.
How we score the Hyundai Ioniq 6
Scores weight complaint severity at 35%, repair costs at 30%, recall impact at 20%, and the spread of complaints across systems at 15%, with complaint counts adjusted for US sales. Read the full methodology.
Get notified when new recalls or reliability data is added for the Hyundai Ioniq 6.
No spam. Only data updates for this model.
See incorrect data? Report an issue