Model year 2018 · Midsize Cars

2018 Buick LaCrosse: recalls, fuel economy and safety ratings

EPA rates the 2018 Buick LaCrosse at 23–29 mpg combined across 3 versions. NHTSA lists 3 safety recalls and 12 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.

Safety recalls

3

EPA combined mpg

23–29

NHTSA overall rating

5/5

Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Buick dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2018 Buick LaCrosse recalls

NHTSA's recall file lists 3 safety recalls for the 2018 Buick LaCrosse, newest first.

Power train: Automatic transmission

NHTSA 20V668000 Reported Oct 29, 2020
Filed by
General Motors, LLC (manufacturer recall no. N202313440)
Units affected
194,105 (estimate)
Problem
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.

Full recall record on nhtsa.gov

Service brakes, hydraulic: Foundation components: Disc: Caliper

NHTSA 18V576000 Reported Aug 30, 2018
Filed by
General Motors, LLC (manufacturer recall no. 18279)
Units affected
210,628 (estimate)
Problem
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.

Full recall record on nhtsa.gov

Fuel system, gasoline: Delivery: Fuel pump

NHTSA 18V358000 Reported May 31, 2018
Filed by
General Motors, LLC (manufacturer recall no. 18188 18268)
Units affected
895 (estimate)
Problem
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.

Full recall record on nhtsa.gov

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2018 Buick LaCrosse fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2018 Buick LaCrosse EPA fuel economy
VersionEngineTransmissionDriveFuelCity/Hwy/CombFuel cost/yrCO2 g/mi
LaCrosse3.6L 6-cylAutomatic 9-speedFront-Wheel DriveRegular21/30/24 mpg$2,800367
LaCrosse AWD3.6L 6-cylAutomatic 9-speedAll-Wheel DriveRegular20/29/23 mpg$2,900386
LaCrosse eAssist2.5L 4-cyl hybridAutomatic 6-spdFront-Wheel DriveRegular25/35/29 mpg$2,300306

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2018 Buick LaCrosse crash-test ratings

NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.

2018 Buick LaCrosse NHTSA 5-Star Safety Ratings
Tested vehicleOverallFrontalSideRolloverRollover riskForward collision warning
2018 Buick LaCrosse 4 DR AWD5 stars5 stars5 stars5 stars9.9%Optional
2018 Buick LaCrosse 4 DR FWD5 stars5 stars5 stars5 stars9.9%Optional
2018 Buick LaCrosse Hybrid 4 DR FWD5 stars5 stars5 stars5 stars9.9%Optional

Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2018 Buick LaCrosse owner complaints

Owners have filed 12 complaints with NHTSA about the 2018 Buick LaCrosse, most recently on Nov 11, 2025. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2018 Buick LaCrosse complaints
Component named in complaintsMentions
Electrical system5
Engine4
Power train3
Fuel/propulsion system2
Fuel system, gasoline1
Service brakes, hydraulic1
Unknown or other1
Vehicle speed control1
Vehicle speed control: Accelerator pedal1

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other Buick LaCrosse model years

Buick LaCrosse by model year
YearCombinedRecallsComplaintsOverall rating
2019 LaCrosse23–29 mpg275/5
2017 LaCrosse23–25 mpg2365/5
2016 LaCrosse20–28 mpg2485/5
2015 LaCrosse20–28 mpg3445/5

All Buick LaCrosse years compared · Decode a VIN

Other 2018 Buick models

Sources

  • Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 27, 2026, plus a live check of api.nhtsa.gov in your browser.
  • Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
  • Crash tests: NHTSA 5-Star Safety Ratings API.
  • Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
  • NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with Buick.