Last updated: 2026-10-10
Ford Mustang vs Porsche 911: Reliability Compared
Ford Mustang
Porsche 911
Choosing between the Ford Mustang and the Porsche 911? 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 coupes.
Our reliability scores are based on NHTSA recall and complaint data, independent repair cost estimates, and sales-normalized complaint rates. The Ford Mustang currently leads with an average score of 67/100 compared to 61/100. Scroll down for the full year-by-year breakdown, common problem areas, and repair cost comparison.
Verdict
The Ford Mustang is more reliable than the Porsche 911, scoring 67/100 vs 61/100.
Key Differences
- 1Ford Mustang costs $363 less per year to repair
- 2Porsche 911 has 39 fewer total recalls
- 3Ford Mustang has 8% lower major repair risk
Category Scoreboard
Ford Mustang vs Porsche 911: Which Is More Reliable?
| Metric | Ford Mustang | Porsche 911 |
|---|---|---|
| Reliability Score | 67/100 | 61/100 |
| Years Tracked | 9 | 7 |
| Total Recalls | 71 | 32 |
| Complaints per 10k Sold | 5.7 | 1.4 |
| Annual Repair Cost | $709/yr | $1072/yr |
| Repair Frequency | 0.2/yr | 0.5/yr |
| Major Repair Risk | 14% | 22% |
| Year Wins | 6 | 1 |
What Are the Common Problems With the Ford Mustang and Porsche 911?
| Component | Ford Mustang | Porsche 911 |
|---|---|---|
| ELECTRICAL SYSTEM | 1.5Low | —None |
| POWER TRAIN | 0.9Very Low | —None |
| UNKNOWN OR OTHER | 0.6Very Low | —None |
| ENGINE | 0.4Very Low | —None |
| FORWARD COLLISION AVOIDANCE | 0.3Very Low | —None |
| FUEL/PROPULSION SYSTEM | —None | 0.3Very Low |
| STEERING | 0.2Very Low | —None |
| SERVICE BRAKES | 0.2Very Low | —None |
| STRUCTURE | 0.2Very Low | —None |
| VEHICLE SPEED CONTROL | 0.2Very Low | —None |
| ENGINE AND ENGINE COOLING | 0.1Very Low | —None |
| VISIBILITY | 0.1Very Low | —None |
| AIR BAGS | 0.1Very Low | —None |
| BACK OVER PREVENTION | 0.1Very Low | —None |
| LATCHES/LOCKS/LINKAGES | 0.1Very Low | —None |
| WHEELS | —None | —None |
| FUEL SYSTEM | —None | —None |
| SUSPENSION | —None | —None |
| EXTERIOR LIGHTING | —None | —None |
| VISIBILITY/WIPER | —None | —None |
| SEAT BELTS | —None | —None |
Complaints per 10,000 units sold, aggregated across all tracked model years from NHTSA owner reports.
How Does Ford Mustang vs Porsche 911 Reliability Compare by Year?
| Year | Ford Mustang | Porsche 911 | Edge |
|---|---|---|---|
| 2025 | 73/1003R / 8C | 68/1002R / 0C | Ford Mustang |
| 2023 | 72/1006R / 14C | 58/1006R / 2C | Ford Mustang |
| 2022 | 59/10017R / 154C | 58/1009R / 16C | Ford Mustang |
| 2021 | 54/10018R / 373C | 58/1006R / 5C | Porsche 911 |
| 2020 | 66/1008R / 101C | 60/1007R / 3C | Ford Mustang |
| 2019 | 67/1004R / 129C | 64/1001R / 2C | Ford Mustang |
| 2018 | 65/1004R / 172C | 64/1001R / 1C | Ford Mustang |
Best years to cross-shop: The 2023 Ford Mustang scored 72/100 and the 2019 Porsche 911 scored 64/100 — the strongest shared model years that have been on the road for at least two years, where available.
Ford Mustang vs Porsche 911: Common Questions
- Is the Ford Mustang more reliable than the Porsche 911?
- Based on our data, the Ford Mustang is more reliable with an average score of 67/100 compared to 61/100. The difference is modest, so both are reasonable choices.
- Which has more recalls, the Ford Mustang or the Porsche 911?
- The Ford Mustang has more recalls (71) compared to the Porsche 911 (32). 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 or the Porsche 911?
- Adjusted for sales volume, the Porsche 911 has a lower complaint rate at 1.4 per 10,000 vehicles sold versus 5.7 for the Ford Mustang. Normalizing by sales gives a fairer comparison than raw totals.
- Which is cheaper to maintain, the Ford Mustang or the Porsche 911?
- Based on independent repair cost estimates, the Ford Mustang is cheaper to maintain at $709/year versus $1072/year for the Porsche 911.
Related Reliability Comparisons
More Ford Mustang comparisons
Decided between Ford Mustang and Porsche 911? Run a VIN check before you buy — uncover hidden accidents, title issues, and open recalls.
How we score the Ford Mustang and Porsche 911
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.
See incorrect data? Report an issue