The contact owns a 2019 Infiniti QX50. The contact stated that the vehicle was taken to the dealer to be serviced for a different issue, and the dealer informed the contact that the VIN was included in NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The dealer advised the contact that the recall repair was on hold due to the fact that the remedy was not yet available. The contact…
2019 INFINITI QX50 engine problems
moderate 63 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
63
Recalls
0
Avg fix
$3,100
1fire
When does it fail?
Of the 63 engine complaints filed for the 2019 INFINITI QX50, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 5 model years of INFINITI QX50 we track for engine problems, this one carries the most owner complaints on file — 63.
Engine accounts for 49% of every owner complaint on file for this vehicle — the dominant problem area across 6 categories tracked.
What owners are reporting 10 most recent
Infiniti has identified a serious engine problem with the 2019-22 QX-50 which in their own words may cause the car "to crash". recall notice was sent in mid-June 2025 and they still dont have a solution. how is this acceptable? i am afraid to drive the car. where is the compensation??
I was driving on the highway and the engine started to make a humming sound I would say. Within the next 3 to 4 miles I started losing forward power, and the noise started to get louder. I was afraid my car was going to die on the highway so I stayed in the far right lane so I could coast into the shoulder if I had to. Thankfully, there was an exit and I was able to get off and pull off onto a…
The contact owns a 2019 Infiniti QX50. While the contact's son was driving at an undisclosed speed, the engine seized with several unknown warning lights illuminated. The contact stated there was smoke and fire coming from the engine compartment. In addition, the smell of burning oil and smoke was inside the vehicle. The vehicle was towed to an independent mechanic, where it was diagnosed with…
The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The…
The engine stopped working. Allowing me to go no faster than 15 miles an hour. The safety issue is you can no longer drive at the speed that you need to drive. especially if you’re on the highway. The problem has been addressed by a dealer. I needed a whole new engine $13,000. The car at 97,000 miles on it. Was well taken care of. No warning signs prior also did not come up on my display…
The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The contact was concerned about driving the vehicle. The contact called the local dealer, who confirmed that parts were not yet available after scheduling an appointment. The vehicle was not diagnosed or repaired. The manufacturer was contacted and confirmed…
Recall was issued in June, 2025. As of today, a remedy has not been available. This is unacceptable as driving the vehicle can result in injury.
The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (ENGINE AND ENGINE COOLING). However, the part to do the recall repair was not yet available. The contact stated that while driving at an undisclosed speed, there was an abnormal knocking sound coming from the engine. Most recently, while stopped at a traffic light or stop sign, the…
The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The…
Had engine trouble with your 2019 INFINITI QX50?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2019 INFINITI QX50?
It's a documented issue but not catastrophic. 63 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?
Across the 21 complaints that reported odometer mileage, most engine failures cluster between 58,883 and 103,000 miles, with the median around 81,000. A quarter of owners report trouble before 58,883; a quarter make it past 103,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2019/INFINITI/QX50.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.