Problems · NHTSA complaints
2016 Buick Cascada problems
Owners filed 22 complaints about the 2016 Buick Cascada with NHTSA between May 2016 and Sep 2026. The most-cited component is structure (10).
Complaints
22
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Structure10
- Visibility4
- Engine3
- Electrical system3
- Engine and engine cooling2
- Wheels2
- Seat belts1
- Visibility/wiper1
- Service brakes1
- Other / unknown7
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
2
1
0
2
2
2
3
0
3
2
5
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 0 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 0 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 5 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Structure
10 reports
“Buick Cascada back window on the convertible tops coming apart, causing flooding inside the car, also there's a danger the window will come out driving down the road. Buick refuses to do anything.”
Visibility
4 reports1 related recall
“The contact owns a 2016 Buick Cascada. The contact stated that when his wife entered the vehicle, the rear passenger’s side window automatically rolled down when the vehicle was started. The contact was unable to confirm if any warning lights were illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 16V844000 (Visibility). The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and confirmed that the VIN was not under recall. The failure mileage was approximately 80,000.”
Engine
3 reports
“After owning for a year, it started idling very rough. Took it to a shop and there was a GM Service Bulletin issued on these cars N192291620 that expired on 6/2026. They would not reimburse me as it expired and car was repaired by a third party. We had only put 500 miles on it since purchasing. It was the Valve Cover Gasket. As we are on a fixed income with a car under 50k miles, this was a big hit for us.”
Electrical system
3 reports
“My convertible top is not lining up with the windows. When it rain water on the floor . U don’t see where it’s coming from . I just see large amount of water”
Engine and engine cooling
2 reports
“The contact owns a 2016 Buick Cascada. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal squealing sound. The vehicle was subsequently taken to the dealer, where it was diagnosed with a PCV valve failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 19,000.”
Wheels
2 reports
“I PURCHASED MY 2016 BUICK CASCADA IN 2017, IN THE SUMMER OF 2018 I NOTICED THE PAINT CHIPPING OFF ALL 4 OF MY RIMS. THEN IN DECEMBER OF 2020 I NOTICED THE BACK WINDOW STARTED TO BECOME UNATTACHED FROM THE CONVERTIBLE TOP. THE VEHICLE IS NOW OUT OF WARRANTY AND THE DEALERSHIP TELLS ME I NEED TO REPLACE THE ENTIRE TOP, WHICH IS ABSOLUTELY RIDICULOUS. I PAID $38,000 FOR A VEHICLE THAT IS FALLING APART. I DON'T UNDERSTAND WHY GENERAL MOTORS IT'S NOT HELD RESPONSIBLE FOR THIS?”
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.