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Last updated: 2026-03-04
Ford Mustang Mach-E vs Kia EV6: Reliability Compared

Ford Mustang Mach-E

Kia EV6
Choosing between the Ford Mustang Mach-E and the Kia EV6? 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 suvs.
Our reliability scores are based on NHTSA recall and complaint data, independent repair cost estimates, and sales-normalized complaint rates. The Ford Mustang Mach-E currently leads with an average score of 71/100 compared to 57/100. Scroll down for the full year-by-year breakdown, common problem areas, and repair cost comparison.
How Do the Ford Mustang Mach-E and Kia EV6 Generations Compare?
Verdict
The Ford Mustang Mach-E is more reliable than the Kia EV6, scoring 71/100 vs 57/100.
The Ford Mustang Mach-E demonstrates superior reliability compared to the Kia EV6, with a higher average reliability score of 73/100 against the EV6's 43/100. Although the Mach-E has more total recalls, its owner complaint rate is significantly lower at 10.7 per 10,000 sold, compared to the EV6's 48.9 per 10,000 sold. Both vehicles share common issues with their electrical systems and power trains, but the Mach-E's lower complaint rate indicates it may experience fewer problems in real-world use. Overall, the Ford Mustang Mach-E presents a more reliable option for potential buyers.
Key Differences
- 1Ford Mustang Mach-E has 38.2 fewer complaints per 10k sold
- 2Ford Mustang Mach-E scores 14 points higher in reliability
- 3Kia EV6 has 5 fewer total recalls
Category Scoreboard
Ford Mustang Mach-E vs Kia EV6: Which Is More Reliable?
| Metric | Ford Mustang Mach-E | Kia EV6 |
|---|---|---|
| Reliability Score | 71/100 | 57/100 |
| Years Tracked | 4 | 5 |
| Total Recalls | 13 | 8 |
| Complaints per 10k Sold | 10.7 | 48.9 |
| Safety RatingNHTSA overall | 2026 NHTSA | 2026 NHTSA |
| Frontal | ||
| Side | ||
| Rollover | ||
| Year Wins | 3 | 0 |
What Are the Common Problems With the Ford Mustang Mach-E and Kia EV6?
The Kia EV6 experiences a higher volume of complaints, particularly in the electrical system category, with 204 reports, 3 of which are crash-linked, indicating a significant area of concern. In contrast, the Ford Mustang Mach-E has fewer total complaints, with its most reported issue also being the electrical system, albeit with only 50 complaints and no crash-linked incidents. Both models share issues with the power train and air bags, each having 1 and 2 crash-linked complaints respectively, though the Mach-E has fewer overall power train complaints at 29 compared to EV6's 56. Notably, the Kia EV6 also reports a higher number of crash-linked incidents in the "unknown or other" category, suggesting potential undisclosed safety risks.
| Component | Ford Mustang Mach-E | Kia EV6 |
|---|---|---|
| ELECTRICAL SYSTEM | 3.6Average | 28.4High |
| POWER TRAIN | 2.1Low | 7.8Above Avg |
| UNKNOWN OR OTHER | 1.2Low | 3.3Average |
| SERVICE BRAKES | 0.8Very Low | 1.8Low |
| STRUCTURE | 0.3Very Low | 1Very Low |
| FUEL/PROPULSION SYSTEM | —None | 1.3Low |
| VEHICLE SPEED CONTROL | 0.7Very Low | 0.6Very Low |
| STEERING | 0.6Very Low | 0.3Very Low |
| AIR BAGS | 0.2Very Low | 0.4Very Low |
| FORWARD COLLISION AVOIDANCE | 0.2Very Low | 0.3Very Low |
| ENGINE | 0.1Very Low | 0.4Very Low |
| LANE DEPARTURE | —None | 0.4Very Low |
| TIRES | —None | 0.4Very Low |
Complaints per 10,000 units sold, aggregated across all tracked model years from NHTSA owner reports.
How Does Ford Mustang Mach-E vs Kia EV6 Reliability Compare by Year?
| Year | Ford Mustang Mach-E | Kia EV6 | Edge |
|---|---|---|---|
| 2025 | 72/1005R / 8C | 69/1000R / 0C | Ford Mustang Mach-E |
| 2024 | 74/1003R / 35C | 59/1002R / 38C | Ford Mustang Mach-E |
| 2023 | 66/1003R / 104C | 52/1003R / 98C | Ford Mustang Mach-E |
| 2026(predicted) | 71/100(predicted) | 60/100(predicted) | Ford Mustang Mach-E |
Best years to cross-shop: The 2024 Ford Mustang Mach-E scored 74/100 and the 2025 Kia EV6 scored 69/100 — these represent the strongest model years in our tracking range.
Who Should Buy the Ford Mustang Mach-E vs the Kia EV6?
Ford Mustang Mach-E vs Kia EV6: Common Questions
- Is the Ford Mustang Mach-E more reliable than the Kia EV6?
- Based on our data, the Ford Mustang Mach-E is more reliable with an average score of 71/100 compared to 57/100. The difference is modest, so both are reasonable choices.
- Which has more recalls, the Ford Mustang Mach-E or the Kia EV6?
- The Ford Mustang Mach-E has more recalls (13) compared to the Kia EV6 (8). 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 Ford Mustang Mach-E or the Kia EV6?
- Adjusted for sales volume, the Ford Mustang Mach-E has a lower complaint rate at 10.7 per 10,000 sold versus 48.9 for the Kia EV6. This per-sales normalization gives a fairer comparison than raw totals.
- Is the Ford Mustang Mach-E or Kia EV6 safer?
- Both the Ford Mustang Mach-E and Kia EV6 received the same NHTSA overall safety rating of 5/5 stars. Check the frontal, side, and rollover sub-ratings above for a more detailed comparison.
Related Reliability Comparisons
More Ford Mustang Mach-E comparisons
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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