2021 Infiniti QX50 Engine Problems
NHTSA lists 26 engine complaints for the 2021 Infiniti QX50, 65% of its 40 total complaints, with a median failure mileage of 90,321 miles. A related recall, 25V437000, covers the VC-Turbo engine bearings on 2019-2022 QX50 models.
- Engine complaints
- 26
- 65% of 40
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 3
- Median mileage
- 90,321 mi
- Related recalls
- 1
Typical engine symptoms owners report
- Owners report engine knocking noises, sometimes while reversing, that they link to the VC-Turbo bearing issue.
- Some drivers describe sudden loss of power or the vehicle entering limp mode with no warning light, in one case nearly causing a collision when pulling into traffic.
- Several owners report abnormal engine sounds followed by a dealer diagnosis of failed engine bearings or a turbocharger needing replacement.
- Owners describe the check engine light illuminating along with jerking or stalling at highway speed, sometimes tied to the recall for Campaign 25V437000.
- Multiple owners report the vehicle failing to start or being unable to accelerate from a stop, requiring a tow to an Infiniti dealership.
- Some owners note they received the recall notice but were told replacement parts were not yet available.
When 2021 Infiniti QX50 engine complaints were filed
First complaint Mar 15, 2024, latest Aug 31, 2026.
Engine recalls for the 2021 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 2021 Infiniti QX50?
- NHTSA lists 26 engine complaints for the 2021 QX50, which is 65% of the 40 total complaints filed for that model year.
- Is there a recall for the 2021 Infiniti QX50 engine?
- Yes. Campaign 25V437000 covers 2019-2022 Infiniti QX50 and other Nissan/Infiniti models with the 2.0L VC-Turbo engine; the remedy is an ECM software reprogram, with owner letters mailed April 8, 2026.
- At what mileage do 2021 QX50 engine problems tend to show up?
- The median mileage at failure reported to NHTSA for engine complaints on this model year is 90,321 miles.
- Did the 2021 QX50 engine issue cause any crashes or injuries?
- NHTSA records show 1 crash and 3 injuries among the engine-related complaints for the 2021 QX50, with no reported fires.
- Is the 2021 QX50 worse than other years for engine complaints?
- The 2021 QX50 shows 65% of its complaints tied to the engine, similar to the 2020 model at 69% and lower than the 2019 model at 63% by count (88 complaints) but comparable in share.