2018 Buick Cascada Problems, Complaints & Recalls

Source: NHTSA · Updated Jul 3, 2026 · 11 owner complaints analyzed

Compared with other Cascada years
Fewer complaints than other years 3rd of 4 for complaints
Safety recalls
None on file
NHTSA crash rating
5 out of 5 stars

Owners have filed 11 complaints with NHTSA about the 2018 Buick Cascada. That ranks 3rd out of 4 Cascada model years for complaints. The most reported problem area is engine (4 complaints, 36%). Complaints mention 1 crash, 1 injury. There are no safety recalls on file for this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2018 Buick Cascada problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Engine4
Engine and Engine Cooling2 · ~76,000 mi
Air Bags1
Power Train1
Service Brakes1
Structure1 · ~8,088 mi
Unknown or Other1
Visibility/wiper1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Engine436%———
Engine and Engine Cooling218%76,000——
Air Bags19%———
Power Train19%———
Service Brakes19%———
Structure19%8,088——
Unknown or Other19%———
Visibility/wiper19%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2025, with 4 complaints
2020: 1202012021: 1202112023: 1202312025: 4202542026: 420264

n = 11 complaints · Source: NHTSA

2018 Buick Cascada recalls (0)

No safety recalls are on file for the 2018 Buick Cascada.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

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…

Engine · received Jul 3, 2026 · NHTSA complaint 11748141

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 TSB Special Coverage N192291620 – Camshaft Cover Replacement (later superseded by N232395320).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…

Engine · received Jul 1, 2026 · NHTSA complaint 11747657

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…

Engine and Engine Cooling · received Apr 1, 2026 · NHTSA complaint 11728477

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

Engine · received Jan 28, 2026 · NHTSA complaint 11714025

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…

Unknown or Other · received Oct 9, 2025 · NHTSA complaint 11692340

Other Buick Cascada years

← 2017 Cascada · 2019 Cascada →

YearComplaintsRecalls
2019 Cascada50
2018110
2017 Cascada150
2016 Cascada221

See all Buick Cascada problems by year, every Buick model, or the Buick VIN decoder.

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Frequently asked questions

What are the most common problems with the 2018 Buick Cascada?

Owners most often report engine, engine and engine cooling, air bags problems. The top one, engine, accounts for 4 complaints.

Was there a recall on the 2018 Buick Cascada?

No safety recalls are on file for this model year.

Was the 2018 Buick Cascada a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Cascada model years, the 2018 has fewer complaints than most years, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.