Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 4 of 5 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Structure. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
5 reports
Mileage unknown · Mar 13, 2026
Visibility/wiper
I am reporting the malfunction and separation of the rear window from the cover. This is a safety issue as there is the potential for it to come off while driving and possibly causing an accident. It started small, but has grown to almost 12 inches. I have not yet found anyone who has the capacity (or desire) to fix this. And th…
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I am reporting the malfunction and separation of the rear window from the cover. This is a safety issue as there is the potential for it to come off while driving and possibly causing an accident. It started small, but has grown to almost 12 inches. I have not yet found anyone who has the capacity (or desire) to fix this. And those that actually want to take on such a project are charging over $5,000! Please help!
NHTSA ODI #11724200
50,100 miles · Dec 5, 2025
EnginePower Train
The contact owns a 2019 Buick Cascada. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle lost motive power. In addition, the transmission and engine failure warning lights were illuminated. The vehicle was towed …
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The contact owns a 2019 Buick Cascada. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle lost motive power. In addition, the transmission and engine failure warning lights were illuminated. The vehicle was towed to the dealer, where it was diagnosed with turbocharger failure. The contact was informed that the turbocharger needed to be replaced. The vehicle was not repaired. The contact was informed that the parts were out of stock and on back order. The contact was informed that the repair was not covered under warranty, and the vehicle was 100 miles over the warranty limitation. The contact researched and stated that the failure was a known failure with the vehicle. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was 50,100.
NHTSA ODI #11703205
50,500 miles · Jul 3, 2025
Structure
The contact owns a 2019 Buick Cascada. The contact stated that the convertible top rear glass had significantly detached from the top cover material. The vehicle was taken to the dealer, where it was determined that the entire convertible top needed to be replaced. The vehicle was not repaired. The contact related the failure to…
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The contact owns a 2019 Buick Cascada. The contact stated that the convertible top rear glass had significantly detached from the top cover material. The vehicle was taken to the dealer, where it was determined that the entire convertible top needed to be replaced. The vehicle was not repaired. The contact related the failure to TSB Number: 17-NA-216 (Convertible Top Back Glass Separation from Top Cover Material). The manufacturer was notified of the failure. The failure mileage was approximately 50,500.
NHTSA ODI #11671081
53,000 miles · May 15, 2025
Structure
The contact owns a 2019 Buick Cascada. The contact stated that the rear windshield was separating from the convertible top plastic frame. The contact stated that the rear glass was pushing upward and out of the frame. The contact had called a dealer and discussed the failure and was advised that the manufacturer had issued Techn…
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The contact owns a 2019 Buick Cascada. The contact stated that the rear windshield was separating from the convertible top plastic frame. The contact stated that the rear glass was pushing upward and out of the frame. The contact had called a dealer and discussed the failure and was advised that the manufacturer had issued Technical Service Bulletin: 17-NA-216 for the separation of the rear glass of the convertible top. The contact was advised by the service department that the repair would not be performed by the dealer. The vehicle was not repaired. The manufacturer was informed of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 53,000.
NHTSA ODI #11661133
38,000 miles · Jan 2, 2025
Structure
The contact owns a 2019 Buick Cascada. The contact stated while driving at an undisclosed speed during a rainstorm, water started entering the vehicle through the rear windshield. The contact stated that the rear windshield was separating from the seal. No warning lights were illuminated. The vehicle was taken to the dealer, who…
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The contact owns a 2019 Buick Cascada. The contact stated while driving at an undisclosed speed during a rainstorm, water started entering the vehicle through the rear windshield. The contact stated that the rear windshield was separating from the seal. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the rear window sealant, allowing the rear window to separate from the top material. The vehicle was not repaired. After investigating the failure, the contact related the failure to Technical Service Bulletin Number: 17-NA-216. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 38,000.
NHTSA ODI #11633695
Official recalls
0
No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2019 Buick Cascada Problems, Complaints & Recalls | Skip That Year