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Fuel systemPart report

2019 Buick Lacrosse Fuel system Problems

Complaints
1about this part
Share
14%of 7 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the fuel system of the 2019 Buick Lacrosse, 14% of the 7 complaints for this model year.

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.

“When accelerating to get on to highway pushing on pedal but nothing happens, have to get pushing up and down until it goes. Has done this four time's and dealer says Buick has no fix for it. Have almost got rear ended twice.”

NHTSA complaint #11677212, filed 2025-07

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2019114%
2018325%
201713%
201636%
201537%
201412%
201397%
201284%
201153%
201074%
200955%
200831%
200731%
200621%
200572%

Other parts of the 2019 Buick Lacrosse

Engine
3 complaints
Other or unknown
3 complaints
Electrical system
1 complaints
Suspension
1 complaints

← All problems reported for the 2019 Buick Lacrosse

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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