2021 Mazda CX-5 Engine Problems
Owners have filed 80 complaints with NHTSA about engine problems on the 2021 Mazda CX-5, 54% of all complaints for this model year. Half of the reports with a mileage happened before 46,465 miles. The words owners use most often: “low oil” (29% of reports).
- 80engine complaints
- 46,465median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- 61%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Low oil: mentioned in 23 of 80 complaints (29%)
- Valve stem: mentioned in 6 of 80 complaints (8%)
- Turbo engines: mentioned in 5 of 80 complaints (6%)
- Added quart: mentioned in 5 of 80 complaints (6%)
At what mileage do engine problems happen?
Based on 7 complaints that reported the odometer reading.
How serious are the reports?
Of 80 complaints, 1 mention a crash, 1 an injury.
Mazda CX-5 engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 CX-5 | 7 | 25% | — |
| 2024 CX-5 | 7 | 16% | 39,381 |
| 2023 CX-5 | 10 | 16% | — |
| 2022 CX-5 | 13 | 20% | 3,639 |
| 2021 CX-5 | 80 | 54% | 46,465 |
| 2020 CX-5 | 17 | 16% | 9,000 |
| 2019 CX-5 | 131 | 49% | 26,000 |
| 2018 CX-5 | 179 | 51% | 20,900 |
| 2017 CX-5 | 16 | 11% | 63,000 |
| 2016 CX-5 | 39 | 8% | 28,175 |
| 2015 CX-5 | 14 | 11% | 48,000 |
| 2014 CX-5 | 39 | 10% | 52,000 |
| 2013 CX-5 | 42 | 22% | 48,541 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 2021 Mazda CX-5. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2021 Mazda CX-5. The contact stated that while driving 50 MPH and the check engine warning light illuminated. The contact took the vehicle to an independent mechanic where an OBDII scanner discovered a misfire in cylinder#1. The vehicle was then taken to another independent…
Differential went and generated a cascading chain reaction destroying the coupler and breather and axles. Car is undrivable. This. Defect has a TSB
2021 Mazda CX-5 2.5L non-turbo. While driving at approximately 8 mph, I removed my foot from the accelerator, but the vehicle unexpectedly accelerated on its own. I did not press the accelerator pedal. I had to apply the brake to slow the vehicle down. This issue has occurred three separate times…
Frequently asked questions
Do all 2021 Mazda CX-5s have engine problems?
No. NHTSA has 80 owner complaints about engine for the 2021 Mazda CX-5 (54% of the 148 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2021 Mazda CX-5 engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 46,465 miles: half of the reports with a mileage came before that.
What do owners say about engine problems on the 2021 Mazda CX-5?
The most frequent phrase is “low oil”, in 23 of 80 complaints, followed by “valve stem” (6).
See all 2021 Mazda CX-5 problems or engine problems across all CX-5 years.