2020 Infiniti QX50 Engine Problems
Engine problems account for 22 of 32 complaints (69%) filed on the 2020 Infiniti QX50, with a median failure mileage of 51,000. Recall 25V437000 covers spun engine bearings that can cause sudden power loss on this variable-compression engine.
- Engine complaints
- 22
- 69% of 32
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 51,000 mi
- Related recalls
- 1
Typical engine symptoms owners report
- Owners report a fuel smell inside or around the vehicle, sometimes tied to an acknowledged crankcase issue.
- Some describe a knocking sound followed by loss of power, later traced by dealers to a spun engine bearing.
- Others report intermittent shaking at idle and a grinding sensation during acceleration, described as early warning signs of the bearing defect.
- Several complaints mention sudden loss of power or failure to accelerate while driving, some occurring in traffic.
- A few owners note stuttering, unusual engine noises, and uneven acceleration after receiving the recall notice.
- Some report the check engine and malfunction lights coming on along with a heavy smog-like smell and high RPMs.
When 2020 Infiniti QX50 engine complaints were filed
First complaint Mar 8, 2021, latest Sep 2, 2026.
Engine recalls for the 2020 Infiniti QX50
- NHTSA 25V437000Jun 27, 2025Engine443,899 vehicles
Engine and engine cooling:engine:hard parts internal/mechanical
Nissan North America, Inc. (Nissan) is recalling certain 2021-2024 Rogue, 2019-2020 Altima, 2019-2022 Infiniti QX50, and 2022 Infiniti QX55 vehicles equipped with 3-cylinder 1.5L or 4-cylinder 2.0L variable compression turbo (VC-Turbo) engines. The engine bearings may have manufacturing defects that can lead to engine failure.
Risk: Engine failure increases the risk of a crash. A bearing failure may cause a breach in the engine block, allowing hot oil to be discharged, increasing the risk of an engine fire.
Remedy: Dealers will reprogram the engine control module (ECM) software, free of charge. Owner letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261 or Infiniti's customer service at 1-800-662-6200. Nissan's numbers for this recall are R25A8/A9 and R25B1/B2.
Engine complaints by QX50 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are engine problems in the 2020 Infiniti QX50?
- Engine issues make up 22 of the 32 total complaints filed for the 2020 QX50, or 69% of all complaints for that model year.
- Is there a recall for the 2020 Infiniti QX50 engine?
- Yes. Recall 25V437000, reported in 2025, covers 2019-2022 Infiniti QX50 vehicles with the 2.0L variable compression turbo engine. Nissan is reprogramming the engine control module software at no cost.
- At what mileage do 2020 QX50 engine problems usually occur?
- NHTSA data lists a median mileage of 51,000 at the time of failure for engine-related complaints on the 2020 QX50.
- Did the 2020 QX50 engine problems cause any crashes or injuries?
- NHTSA records show 0 crashes, 0 fires, and 0 injuries linked to the engine complaints filed for the 2020 QX50.
- How does the 2020 QX50 compare to other years for engine complaints?
- The 2020 QX50 shows 69% of complaints tied to the engine, similar to the 2019 (63%) and 2021 (65%) model years, all higher than most other QX50 years.