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EnginePart report

2019 Buick Regal Engine Problems

Complaints
3about this part
Share
15%of 20 total for the year
Median mileage
22,300miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2019 Buick Regal, 15% of the 20 complaints for this model year. Where a mileage was given, the median is 22,300 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“PCV system failed causing excess pressure to blow out the rear main seal and crankcase seal resulting in an oil leak. No lights and no codes were on the dashboard. The only symptom was a high pitched squealing sound during very cold weather. The problem has been reproduced by the dealer. The problem first appeared the first winter owning the vehicle.”

NHTSA complaint #11642534, filed 2025-02

“The contact owns a 2019 Buick Regal. The contact stated that when he attempted to start his vehicle there was no battery power, and no clicking sounds from the ignition. The contact stated that the instrument panel was blank. The contact stated that he had the vehicle jump started and the vehicle operated normally. The contact stated that the check engine warning light illuminated and then turned off after the vehicle was turned on. The contact also heard an abnormal whistling noise coming from the engine compartment. The contact stated that the dead battery failure was an ongoing failure. …”

NHTSA complaint #11509002, filed 2023-02, 6,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2019315%
2018526%
2016512%
2015927%
2014924%
2013910%
20122123%
201110839%
20041827%
20032626%
20023328%
20015228%
20002815%
19994920%
19982910%
1997118%
199621%
199511%
199411%
199211%

Other parts of the 2019 Buick Regal

Electrical system
7 complaints
Transmission and drivetrain
6 complaints
Brakes
4 complaints
Other or unknown
2 complaints
Seats
2 complaints
Suspension
2 complaints
Equipment
1 complaints
Fuel system
1 complaints
Body and structure
1 complaints
Tires
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints
Wheels
1 complaints

← All problems reported for the 2019 Buick Regal

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology