AutoUtility currently tracks 11 official NHTSA owner defect complaints for the 2018 Buick Cascada. Engine & Cooling issues are the most frequently reported category, appearing in 6 complaints (54.5% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more injuries.
- • Total NHTSA Complaints: 11 reports
- • #1 Reported Problem Area: Engine & Cooling (6 reports • 54.5% of submitted complaints)
- • Secondary Problem Areas: Powertrain & Transmission (1), Visibility, Wipers & Glass (1)
- • Crash-Citing Complaints: 1 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 1 injury filings • 0 fatality filings
Most Reported Problems for 2018 Buick Cascada
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Engine & Cooling
Powertrain & Transmission
Visibility, Wipers & Glass
Air Bags & Restraints
Brakes & Traction Control
Recent NHTSA Owner Reports for 2018 Buick Cascada
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"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..."
"Vehicle is a 2018 requiring valve cover replacement due to an issue that was recalled on previous years, most recently 2016. Extended warranty was offered for these repairs. TSB Special Coverage N192291620 – Camshaft Cover Replacement (later superseded by N232395320). This should be reviewed for..."
"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..."
"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"
"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..."
Complaint History for Buick Cascada
Reported defect complaint volume across sibling model years (2016–2019)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2016 Buick Cascada | 21 | 0 | 1 | View 2016 Problems → |
| 2017 Buick Cascada | 15 | 0 | 0 | View 2017 Problems → |
| 2018 Buick Cascada Current Page | 11 | 1 | 0 | Current |
| 2019 Buick Cascada | 5 | 0 | 0 | View 2019 Problems → |
Detailed NHTSA Component Breakdown for 2018 Buick Cascada
Complete distribution of consumer defect reports across all 7 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Engine NHTSA category: ENGINE | 4 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 2 | 0 | 0 | 0 | 0 |
| AIR BAGS,SERVICE BRAKES | 1 | 1 | 0 | 1 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.