2018 Buick Lacrosse Problems

Below Average Complaints

Real NHTSA owner complaints for the 2018 Buick Lacrosse.

20172019
Complaints
19
Crashes
0
Fires
0
Injuries
0
Fatalities
—
Recalls
3

Worst 2018 Buick Lacrosse Problems

Top 3 most-reported issues with average mileage at failure.

#15 complaints

Electrical Faults

Avg mileage:100,000 mi
#24 complaints

Engine Problems

#33 complaints

Transmission / Drivetrain

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All Problems by Category

Every NHTSA complaint category for the 2018 Buick Lacrosse.

Electrical Faults
5
complaints
Crashes
—
Fires
—
Avg Miles
100,000
Engine Problems
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Transmission / Drivetrain
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Gasoline Fuel System
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Hydraulic Brakes
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Unintended Acceleration
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Vehicle Speed Control:Accelerator Pedal
1
complaints
Crashes
—
Fires
—
Avg Miles
—

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2018 Buick Lacrosse. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2018 Buick Lacrosse

3 NHTSA recall campaigns affecting ~405,628 vehicles.

20V668000Automatic Transmission
~194,105 affected

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.

18V576000Service Brakes, Hydraulic:foundation Components:disc:caliper
~210,628 affected

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.

18V358000Fuel Pump
~895 affected

General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.

Other Buick Lacrosse Years

200520062007200820092010201120122013201420152016201720182019

2018 Buick Lacrosse — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2018 Buick Lacrosse reliable?
Verdict: Below Average Complaints. The 2018 Buick Lacrosse has 19 NHTSA complaints, 0 crash-related, and 3 recall campaigns. The most common issue is Electrical Faults with 5 complaints. Source: NHTSA via VinItel.
What are common problems with the 2018 Buick Lacrosse?
Top reported problems: Electrical Faults (5 complaints, avg 100,000 mi); Engine Problems (4 complaints); Transmission / Drivetrain (3 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2018 Buick Lacrosse?
The weighted average mileage at time of complaint is about 100,000 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
Does the 2018 Buick Lacrosse have any recalls?
Yes — 3 NHTSA recall campaigns affecting an estimated 405,628 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2018 Buick Lacrosse?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Buick Lacrosse reliability report with year-by-year comparison and generation analysis.

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