The 2018 draws 1.57 complaints per run and the 2017 1, a 1.6-fold gap within the same model. Half of all complaints arrive by 4 years of age, so 56.3% land after the 4-year basic warranty ends. The system owners report most is Electrical System, with 24 complaints, typically at 5 years.
BMW X4 years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2025 | 4 | 4 | too new | |
| 2024 | 3 | 3 | too new | |
| 2023 | 8 | 7 | too new | |
| 2022 | 4 | 4 | too new | |
| 2021 | 5 | 5 | too new | |
| 2020 | 15 | 14 | yes | |
| 2019 | 11 | 8 | yes | |
| 2018 | 11 | 7 | yes | |
| 2017 | 3 | 3 | yes | |
| 2016 | 10 | 9 | yes |
Among the 5 BMW X4 years with enough history, the three to walk away from are 2018, 2019, 2016; the three worth hunting are 2017, 2020, 2016.
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 7% | covered | |
| 1 year | 19.7% | covered | |
| 2 years | 29.6% | covered | |
| 3 years | 43.7% | covered | |
| 4 years | 50.7% | you pay | |
| 5 years | 67.6% | you pay | |
| 6 years | 80.3% | you pay | |
| 7 years | 93% | you pay | |
| 8 years | 98.6% | you pay | |
| 9 years | 100% | you pay |
Basic warranty on this car is 4 years / 50,000 miles. Only 43.7% of reported failures happen inside it — the remaining 56.3% 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 45% of the complaints here.
What actually fails — and at what age
On the BMW X4, the early trouble is Service Brakes and Air Bags — reported at around 3 years, so a car still under warranty is the one to check for it. What waits further out is Electrical System at 5 years — past every basic warranty, and the bill lands on whoever owns the car then.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Electrical System | 5 yrs | — | 2 | |
| Engine | 4.6 yrs | — | 1 | |
| Unknown Or Other | 4.3 yrs | 2 | 1 | |
| Power Train | 4.6 yrs | 2 | — | |
| Service Brakes | 3 yrs | 2 | — | |
| Engine And Engine Cooling | 6.3 yrs | — | 1 | |
| Suspension | 4.3 yrs | — | — | |
| Air Bags | 3.4 yrs | 3 | — |
What else in this class
6 models share the X4's vehicle class. Per production run, the Toyota RAV4 draws 2.31, the Jeep Wrangler 4.69 and the Honda CR-V 3.7, against 1.16 for the X4. That is the fewest complaints of the group.
| Same class as the X4 | Complaints on record | Recall campaigns | Years built |
|---|---|---|---|
| Toyota RAV4 | 168 | 1996–2026 | |
| Jeep Wrangler | 285 | 1986–2026 | |
| Honda CR-V | 207 | 1997–2026 | |
| Tesla Model Y | 100 | 2020–2026 | |
| Mazda CX-5 | 33 | 2013–2026 | |
| Nissan Rogue | 94 | 2008–2026 |
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
- Alerts if a recall lands on a car in your garage
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Frequently asked questions
Is the BMW X4 reliable?
By complaints per production run it is better than typical: 1.16 against 3.73 for the average car, and fewer than each of the 3 class rivals we compared.
Which X4 years should you avoid?
By complaints per production run, 2018, 2019, 2016. The cleanest years old enough to judge are 2017, 2020, 2016. Years newer than 6 are left out: complaints keep arriving for years after a car is sold.
When do X4 problems usually start?
Half of all complaints arrive by 4 years of age. The most reported system is Electrical System, typically at 5 years, followed by Engine.
Will the warranty cover X4 problems?
Mostly not: basic cover is 4 years / 50,000 miles, and only 43.7% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 45% of the complaints here.
Is the X4 more reliable than the Toyota RAV4?
Yes: 1.16 complaints per production run for the X4 against 2.31 for the Toyota RAV4.
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