There are no safety recalls for the 2018 Buick Cascada, but owners have filed 11 complaints with NHTSA.
2018 Buick Cascada problems reported by owners
| Problem area | Reports | |
|---|
| Engine | 4 | |
| Engine and Engine Cooling | 2 | |
| Structure | 1 | |
| Air Bags | 1 | |
| Service Brakes | 1 | |
| Visibility/Wiper | 1 | |
| Power Train | 1 | |
| Unknown or Other | 1 | |
Most reported parts
- Structure › Body — 1
- Engine and Engine Cooling › Exhaust System › Manifold/Header/Muffler/Tail Pipe — 1
Typical mileage at the time of the problem: 72,000 miles (median of owner reports).
Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.
Recent 2018 Buick Cascada complaints
Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.
Engine · reported Jul 3, 2026
A squealing sound was coming from the top of my engine and I had low/rough idle and it progressed to a low voltage output and check engine lights. This happened while i was driving on the highway and my speed was eratic and I had to cross 2 lanes to get the next exit. The problem has been reproduced my an indepent service center. The PCV vent constantly pulled vacuum (was stuck open to atmosphere) and the sound was only relieved by removing the dip stick. No warning lamps messages or symptoms. There is NO part number difference in the Camshaft cover between model years 2016 thru 2019 Cascadas.…
Engine and Engine Cooling · at 72,000 miles · reported Apr 1, 2026
The contact owns a 2018 Buick Cascada. The contact stated that while operating the vehicle, the check engine warning light illuminated. The vehicle was taken to the local mechanic to be diagnosed, and it was determined that the air intake valve was faulty and needed to be replaced. The vehicle was not yet repaired. The local dealer was notified of the failure. The manufacturer was not yet contacted. The failure mileage was 72,000.
Engine · reported Jan 28, 2026
PCV Failure at 62,000 miles. GM extended warranty on 2016 models that demonstrated this problem. Appears to be a design flaw and often fails again after repair. $2000 + job to repair
Unknown or Other · reported Oct 9, 2025
While driving down the highway my vehicle decreased in power and then I heard a loud whistle or whining sound. Upon examination at the dealership, they determined that the PCV system had failed. The positive crankcase ventilation system caused my Camm to leak and created a vacuum leak which blew out the seals of my vehicle. Upon further investigation I found that GM was involved in a class action lawsuit for the 2016 models and that an extended warranty was given for 2016 -2019 Cascada models. 15 years 150,000 miles. However, my vin and year was not included for the same problem.
Engine · reported Sep 3, 2025
Camshaft cover recall on exact model car for different year model, recall doesnât cover this years model, however, I have the same issue.
Frequently asked questions
Does the 2018 Buick Cascada have any recalls?
No. NHTSA has no safety recalls for the 2018 Buick Cascada as of this update. Check your VIN at nhtsa.gov/recalls for the latest status.
What is the most common problem with the 2018 Buick Cascada?
Owners report engine problems most often (4 reports), followed by engine and engine cooling (2). The typical mileage when problems were reported is about 72,000 miles.
Are Buick recall repairs free?
Yes. Safety recall repairs are free at authorized Buick dealers, whether you are the first owner or bought the car used.