Most common 2018 Buick Cascada problems
Share of the 11 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Buick Cascada complaints by model year
Best Cascada years: 2019, 2018. Compare all years →
What 2018 Buick Cascada owners say
Engine & cooling
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.
The contact owns a 2018 Buick Cascada. The contact stated that while operating the vehicle, there was a whistling sound coming from the engine compartment, with the check engine warning light displayed. The vehicle was taken to the local dealer who diagnosed that the intake manifold was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was not contacted. The failure mileage was 80,000.
2018 Buick Cascada engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 1.6L 4-cyl turbo | 6-speed automatic | FWD | 21 / 29 / 24 |
EPA ratings. Class: Subcompact car.
Frequently asked questions
Is the 2018 Buick Cascada a good car?
Based on 11 owner complaints filed with NHTSA, the 2018 Cascada rates average: 15% fewer complaints than a typical year of the Cascada at the same age. It is one of the best Cascada years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2018 Buick Cascada?
The engine & cooling — 6 complaints, 55% of all complaints for this model year, most often about exhaust system › manifold/header/muffler/tail pipe. Next are the body & structure (1) and air bags (1).
How many recalls does the 2018 Buick Cascada have?
NHTSA lists no recalls for the 2018 Buick Cascada. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the Buick Cascada?
The best years by complaints, compared at the same age, are 2019 and 2018. See the full Buick Cascada years comparison.
At what mileage do 2018 Buick Cascada problems happen?
The median mileage reported in complaints is about 72,000 miles; 33% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.