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2019 Buick LaCrosse maintenance schedule

The 2019 LaCrosse is part of the P2XX generation (2017-2019), sold as a sedan. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2019 LaCrosse needs, and when

Manufacturer rows link to Buick's own schedule, Independent rows to a service shop or parts retailer's published guide. Rows marked Unverified have no source Carlyle could confirm and are shown for completeness.

ServiceIntervalSource
Engine oil and filter (LHN, LGX)

OLM dictated

7,500 mi / 1 yearIndependent
Engine air filter (LHN, LGX)45,000 mi / 4 yearsIndependent
Cabin air filter (LHN, LGX)

Standard interval

22,500 mi / 2 yearsIndependent
Tire rotation (LHN, LGX)

Sync with oil changes

7,500 mi / 1 yearIndependent
Brake fluid (LHN, LGX)

Flush

45,000 mi / 3 yearsIndependent
Engine coolant (LHN, LGX)

Dex-Cool

150,000 mi / 5 yearsIndependent
Transmission fluid (LHN, LGX)

Severe interval

45,000 miIndependent
Spark plugs (LHN, LGX)

Standard interval

97,500 miIndependent
Serpentine belt (LHN, LGX)

Inspect 45k

150,000 mi / 10 yearsUnverified
Differential and transfer case fluid (LGX)

AWD models only

45,000 miUnverified
PCV valve (LHN, LGX)Inspect, replace as neededUnverified
12V battery (LHN, LGX)

High load architecture

Inspect, replace as neededUnverified

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them.

Fluids and engines

What goes in it

Engine oil
dexos1 Gen 3
Coolant
Dex-Cool (Orange)
Transmission fluid
Dexron VI / Dexron HP

Powertrains in this generation

  • 2.5L 4-cyl hybrid (LHN), 194 hp, 6-speed automatic, FWD
  • 3.6L 6-cyl (LGX), 310 hp, 8-speed / 9-speed automatic, FWD/AWD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2019 LaCrosse owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

PCV Valve failure

medium severity

60,000-100,000 mi

Oil consumption, vacuum leaks

Source: au7o.io

Safety recalls

2 NHTSA recalls for the 2019 Buick LaCrosse

From NHTSA's recall database, matched by model and year. Recall repairs are free at Buick dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Power train

NHTSA 20V668000

October 2020

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.

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.

Service brakes, hydraulic

NHTSA 18V576000

August 2018

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.

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.

Running costs

What maintenance typically costs

A typical year of maintenance
$569

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other LaCrosse model years

P2XX (2017-2019)

201720182019

Epsilon II (2014-2016)

201420152016

Shopping new? The Buick LaCrosse guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-18. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a LaCrosse for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2019 LaCrosse earns before you buy it.

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