Half of all complaints arrive by 8 years of age, so 90.9% land after the 4-year basic warranty ends. The system owners report most is Electrical System, with 7 complaints, typically at 7.4 years.
BMW M6 years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2014 | 5 | 4 | yes | |
| 2007 | 5 | 5 | yes |
Among the 2 BMW M6 years with enough history, the three to walk away from are 2014, 2007; the three worth hunting are 2007, 2014.
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 2 years | 9.1% | covered | |
| 4 years | 13.6% | you pay | |
| 5 years | 22.7% | you pay | |
| 6 years | 27.3% | you pay | |
| 7 years | 45.5% | you pay | |
| 8 years | 77.3% | you pay | |
| 9 years | 86.4% | you pay | |
| 10 years | 95.5% | you pay | |
| 12 years | 100% | you pay |
Basic warranty on this car is 4 years / 50,000 miles. Only 9.1% of reported failures happen inside it — the remaining 90.9% come out of the owner's pocket. Powertrain cover (4 years / 50,000 miles) reaches further, but it only covers the engine and transmission, which account for about 42% of the complaints here.
What actually fails — and at what age
What waits further out is Electrical System at 7.4 years — past every basic warranty, and the bill lands on whoever owns the car then.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Electrical System | 7.4 yrs | — | 1 | |
| Steering | 8.8 yrs | — | — | |
| Air Bags | 8 yrs | — | — | |
| Power Train | 7.2 yrs | — | — | |
| Structure | 5.4 yrs | — | 1 | |
| Engine | 6.2 yrs | — | — | |
| Seats | 6.7 yrs | — | 1 | |
| Fuel/propulsion System | 4.5 yrs | — | — |
What else in this class
6 models share the M6's vehicle class. Per production run, the Honda Civic draws 2.82 and the Ford Mustang 3.87, against 1.14 for the M6. That is the fewest complaints of the group.
| Same class as the M6 | Complaints on record | Recall campaigns | Years built |
|---|---|---|---|
| Honda Civic | 413 | 1981–2026 | |
| Ford Mustang | 315 | 1981–2026 | |
| Nissan GT-R | 9 | 2009–2026 | |
| Chevrolet Camaro | 204 | 1981–2026 | |
| Toyota Supra | 35 | 1981–2026 | |
| Nissan Sentra | 158 | 1982–2026 |
The table shows totals on record; the rates per production run are in the sentence above.
Good year or bad year — the VIN settles it.
- Check any VIN against complaints for its exact build year and plant
- Exact value for that car, adjusted for its mileage
- Full research report as a PDF you can hand to a mechanic
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Frequently asked questions
Is the BMW M6 reliable?
By complaints per production run it is better than typical: 1.14 against 3.73 for the average car, and fewer than each of the 2 class rivals we compared.
When do M6 problems usually start?
Half of all complaints arrive by 8 years of age. The most reported system is Electrical System, typically at 7.4 years, followed by Steering.
Will the warranty cover M6 problems?
Mostly not: basic cover is 4 years / 50,000 miles, and only 9.1% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 42% of the complaints here.
Is the M6 more reliable than the Honda Civic?
Yes: 1.14 complaints per production run for the M6 against 2.82 for the Honda Civic.
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