Verdict
2018 Buick LaCrosse: Complaints, Recalls & Known Issues
What the public record actually says about the 2018 Buick LaCrosse — every figure below is a NHTSA or EPA number, not an opinion.
The read
Fewer reported complaints than most sedan.
Owners filed 12 NHTSA complaints — fewer complaints than 76% of 2018 sedans. Electrical System leads the reports (25%). 3 safety recall campaigns on record — check the VIN and remedy terms with a dealer.
Based on NHTSA complaint volume against 2018 sedans, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
12
Reports to NHTSA, 2018
Safety recalls
3
NHTSA campaigns on record
NHTSA crash test
Overall NCAP rating
Combined MPG
24
EPA estimate
Complaint volume vs. segment peers
Fewer complaints than 76% of 2018 sedans
The bar is this car's percentile among 2018 sedans by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Electrical System issues lead owner complaints (25% of 12 reports), followed by engine (25%).
Share of all 12 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11554335, ODI 11302016, ODI 11258360.
Recalls(3)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Fuel System · 18V358000Details +Close −
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.
Risk: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
Remedy: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Service Brakes · 18V576000Details +Close −
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.
Risk: A reduction of braking performance can increase the risk of a crash.
Remedy: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.
Power Train · 20V668000Details +Close −
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.
Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2018 Buick LaCrosse 4 DR FWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2018 Buick LaCrosse 4 DR AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| LaCrosse | 3.6L 6-cyl | Front-Wheel Drive | Automatic (S9) | 21 | 30 | 24 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
Before you buy
Useful next checks
Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2018 Buick LaCrosse: frequently asked
What does the complaint record show for the 2018 Buick LaCrosse?
Owners filed 12 NHTSA complaints about the 2018 Buick LaCrosse — fewer complaints than 76% of comparable 2018 sedans, so it sits toward the stronger end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2018 Buick LaCrosse?
The most-reported problem areas are Electrical System (25% of complaints) and engine (25%).
How many recalls does the 2018 Buick LaCrosse have?
3 recalls have been issued that affect the 2018 Buick LaCrosse, covering components such as fuel system. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2018 Buick LaCrosse get?
The EPA rates the 2018 Buick LaCrosse at 24 mpg combined.