The contact owns a 2020 Infiniti QX50. The contact stated that while driving at undisclosed speeds, the vehicle failed to accelerate as intended and lost motive power. There were no warning lights illuminated. No further information was available. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The vehicle was taken to an unknown local dealer, whe…
2020 infiniti QX50 engine problems
moderate 16 complaints filed with NHTSA · avg repair $3,100
What owners are reporting 10 most recent
About 3 months ago I took my car to be inspected for recall Infinity Dealership stated the drained oil and dropped oil pan and inspected for debris on bottom on oil pan however manufacturer has stated engine beating failure happens progressively not all of a sudden I believe the system malfunctioning light I’ve been seeing on my dash is a direct result of something that was missed during recall in…
Crest Infiniti staff, including Service Rep Trevor and Manager Randy Nadors, misrepresented Recall 25V437 as "not a safety recall" and claimed repairs were stopped until year-end. This contradicts NHTSA"s designation of 25V437 as a serious safety recall and Infiniti Corporate's confirmation. Their false statements indicate a failure to disclose material safety information and unsatisfactory servic…
My vehicle is affected by Recall 25V437. I am already experiencing recall-related symptoms, including stuttering, unusual engine noises, and uneven acceleration. I leased the vehicle through DFW Auto and Services INC, On August 15, 2025, at 9:35 AM, I spoke with Sam in the finance department of DFW Auto and Services INC during a 3‑minute call from 214‑205‑7327. I specifically asked about the rec…
I am submitting a formal safety complaint regarding Recall R25B2 on my 2020 Infiniti QX50. I purchased the vehicle in July 2024 from a dealership in Indiana and currently reside in Illinois. Summary of the Issue In July 2025, I received notice that my VIN was included in Recall R25B2 for an engine-related defect. Infiniti of Orland Park (IL) inspected the vehicle and confirmed that it exhibited sy…
I experienced loss of power while on the interstate and at that time I was unaware of what the issue was until I received a Recall regarding the engine. I often have my grandson [XXX]) who sits in the back seat of my 2020 QX/50. I went into the Infiniti of South of Atlanta, Union City, Georgia 30291 and I was informed by my Service Representative (Mrs. Dyamond Cobb) on September 12, 2025 @ 11:0…
I own a 2020 Infiniti QX50 that is included in NHTSA Recall 25V-437 for defective engine bearings that may cause sudden engine failure. My VIN has been confirmed by the dealer as part of the active recall. I have already noticed intermittent shaking at idle and a grinding sensation during acceleration, which are early warning signs listed for this defect. I am worried these symptoms indicate my e…
Pulled out into an intersection with limited visibility. Once I got into my lane I observed a car behind me that I had not seen. I tried to accelerate to avoid being hit. My car began making a knocking sound with loss of power. The other car went around me on the shoulder to avoid a collision. Infiniti of Birmingham (Alabama) says that one of the bearings in the engine spun and there is metal sha…
FUEL SMELL COMING FROM THE VEHICLE WHEN PARKIED IN THE GARAGE. HAS BEEN CHECK OUT TWICE. 1 ST TIME INFINITI COULD NOT FIND ANY ISSUE, BUT TOLD ME THEY WERE LOOKING INTO IT UNDER ENGINEERING REVIEW. 2 MONTHS LATER AFTER LIVING WITH THE SMELL BROUGHT IT BACK THEY HAD A INFINITI ENGINEER LOOK AT IT. NOW THEY ARE TELLING ME THEY ACKNOWLEGDE THAT THERE IS A ISSUE WITH THE CRANK CASE VENTALATION SYSTEM.…
The contact owns a 2020 Infiniti QX50. The contact stated that the vehicle was repaired under NHTSA Campaign: 25V437000 (Engine and Engine Cooling) however, other failures occurred. The contact stated that after the vehicle was dropped off by the local dealer, the front passenger’s side tire deflated. The vehicle was taken to a local dealer, where it was repaired. The contact stated that the under…
Common questions
How serious is the engine problem on the 2020 infiniti QX50?
It's a documented issue but not catastrophic. 16 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.