Buick LaCrosse eAssist Oil Capacity Reference

Buick LaCrosse eAssist Oil Capacity by Year

Q: What engine oil does the Buick LaCrosse eAssist take?

The Buick LaCrosse eAssist typically requires 5W-20, 5W-30 engine oil. Always verify the correct viscosity grade and factory standards in your owner's manual before service.

Q: How many quarts of oil does the Buick LaCrosse eAssist take?

The engine oil capacity for the Buick LaCrosse eAssist typically ranges from 4.5 to 4.7 quarts with filter. The exact capacity varies depending on engine size and model year.

Q: Does Buick LaCrosse eAssist oil capacity include the filter?

Yes, the capacities listed are with-filter values representing a typical drain and refill service. Always confirm the final fill level using the vehicle dipstick or electronic level gauge.

Q: Can I use 5W-30 instead of 0W-40 in the Buick LaCrosse eAssist?

Only use alternative viscosities if they are explicitly listed in your owner's manual and meet the required factory approval standard.

Q: Does the Buick LaCrosse eAssist require GM Dexos approved oil?

Yes, General Motors requires licensed Dexos oil (Dexos 1 Gen 3 for gasoline) to prevent deposits and maintain warranty coverage.

Q: How often should I change oil on the Buick LaCrosse eAssist?

Modern vehicles running full synthetic oil typically recommend intervals of every 7,500 to 10,000 miles or 12 months. Shorter service intervals are recommended for vehicles driven under severe conditions.

Q: Why do Buick LaCrosse eAssist oil specs change by year?

Oil specifications change as manufacturers introduce new engine designs, turbocharger configurations, hybrid systems, and stricter emissions controls, which require different viscosities and additive packages.

Q: Is this Buick LaCrosse eAssist oil capacity data official?

No. This is an independent reference directory compiled from manufacturer catalogs, technical manuals, and user feedback. Always verify final specs with your owner's manual.

Find Buick LaCrosse eAssist engine oil capacity, oil type, quarts with filter, filter notes, and oil change interval by model year and engine.

Oil specifications can change by engine, trim, drivetrain, production year, and approval standard. Always verify the final spec with your owner’s manual, oil cap, or dealer before service.

SILHOUETTE: SEDAN

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Published Years

2012–2019

Coverage

4.5–4.7 qt

Capacity Range

5W-20

Primary Grade

Reference data only. Confirm exact oil capacity and oil approval standard before service.

Quick Answer: Buick LaCrosse eAssist oil capacity

Buick LaCrosse eAssist oil capacity ranges from 4.5 to 4.7 quarts with filter across the published 2012–2019 records on this page. The exact oil type and amount depend on model year and engine, so choose your year before buying oil.

Select exact model year
Check quarts with filter
Confirm oil viscosity
Verify oil approval standard
Avoid overfilling

View LaCrosse eAssist Year Specs

Jump to Buick LaCrosse eAssist Year Specifications

Select a model year to open the detailed Buick LaCrosse eAssist oil capacity page for that year and engine.

2019 2018 2016 2015 2014 2013 2012

Buick LaCrosse eAssist Oil Grade Changes by Year

Buick LaCrosse eAssist oil grade requirements changed across the published years. Some records show 0W-40 or 5W-40, while newer or specific engine configurations may show 0W-20, 5W-30, 5W-20, or another grade. Do not assume one oil grade fits every Buick LaCrosse eAssist year.

Choose your exact year below

Buick LaCrosse eAssist Engine Oil Specs by Year

All 7 years

Buick LaCrosse eAssist oil capacity, oil type, and interval by year
Year	Engine	Oil Type	Capacity	Interval	Filter Note
2019 Buick LaCrosse eAssist	2.5L 4-Cylinder	5W-20	4.7 qt	7,500 mi	Check exact engine page	View 2019 Specs
2018 Buick LaCrosse eAssist	2.5L 4-Cylinder	5W-20	4.7 qt	7,500 mi	Check exact engine page	View 2018 Specs
2016 Buick LaCrosse eAssist	2.4L 4-Cylinder	5W-30	4.7 qt	7,500 mi	Check exact engine page	View 2016 Specs
2015 Buick LaCrosse eAssist	2.4L 4-Cylinder	5W-20	4.5 qt	5,000 mi	Check exact engine page	View 2015 Specs
2014 Buick LaCrosse eAssist	2.4L 4-Cylinder	5W-30	4.7 qt	5,000 mi	Check exact engine page	View 2014 Specs
2013 Buick LaCrosse eAssist	2.4L 4-Cylinder	5W-30	4.7 qt	5,000 mi	Check exact engine page	View 2013 Specs
2012 Buick LaCrosse eAssist	2.4L 4-Cylinder	5W-30	4.7 qt	5,000 mi	Check exact engine page	View 2012 Specs

Before using this Buick LaCrosse eAssist oil chart

Use this chart as a reference before buying oil or filters. Final oil capacity, viscosity, filter fitment, and VW/Audi approval standard should be confirmed with the owner’s manual, oil cap, under-hood label, or dealer.

Reference data With-filter capacity Manual verification required Approval standard required

Buick LaCrosse eAssist GM Dexos Approval Reminder

Many Buick LaCrosse eAssist engines require Dexos approved lubricants (e.g., Dexos 1 Gen 3 or DexosD). Confirm the correct standard before buying oil.

Severe Service Change Intervals

Short trips, long idling, dusty roads, extreme heat or cold, aggressive driving, frequent stop-and-go traffic, and repeated city use can justify a shorter oil change interval. Follow the severe-service schedule in the owner’s manual when it applies.

Buick LaCrosse eAssist DIY Oil Buying Guide

Most Buick LaCrosse eAssist records on this page are near 4.7 quarts with filter, but some years differ. After selecting the exact year, buy enough oil to cover the listed capacity and keep a small reserve for top-off. Add oil gradually and recheck the level instead of pouring the full amount at once. Oil change prices vary by shop, oil approval, filter type, location, and engine. Use the listed capacity to estimate oil quantity, then compare local shop quotes or DIY parts cost.

DIY Oil Change Checklist

Confirm year and engine block displacement

Check exact quarts required with filter

Buy correct SAE viscosity grade (e.g. 0W-20 or 5W-30)

Confirm Buick approval standards

Use a filter that matches the exact Buick LaCrosse eAssist year, engine, and housing style. Do not buy filters by make and model alone.

Do not overfill — top off gradually

Buick LaCrosse eAssist Oil Capacity Guide

The Buick LaCrosse eAssist is a model from Buick with oil requirements that vary by engine and year. The published records on this page show multiple oil grades and a capacity range from 4.5 to 4.7 quarts with filter.

Do not choose oil by model name alone. A 2012 Buick LaCrosse eAssist and a newer 2019 Buick LaCrosse eAssist may use different oil grade, interval, capacity, or approval requirements.

After selecting your exact year, confirm the oil capacity with filter, oil grade, filter note, and service interval before buying oil or booking an oil change. Correct lubrication supports proper lubrication, correct oil pressure, and safe refill level when the correct grade, approval, capacity, and filter are used.

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Buick LaCrosse eAssist Oil Capacity FAQs

What engine oil does the Buick LaCrosse eAssist take?

How many quarts of oil does the Buick LaCrosse eAssist take?

Does Buick LaCrosse eAssist oil capacity include the filter?

Can I use 5W-30 instead of 0W-40 in the Buick LaCrosse eAssist?

Does the Buick LaCrosse eAssist require GM Dexos approved oil?

How often should I change oil on the Buick LaCrosse eAssist?

Why do Buick LaCrosse eAssist oil specs change by year?

Is this Buick LaCrosse eAssist oil capacity data official?

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Choose your Buick LaCrosse eAssist year

Select the exact Buick LaCrosse eAssist model year to view oil capacity, oil type, interval, and filter notes before buying oil or starting service.

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Model Overview

Production Years 2012–2019

Years in DB 7

Typical Oil Grade 5W-20, 5W-30

Typical Capacity 4.5 to 4.7 quarts

Change Interval 5,000–7,500 mi

Body Type sedan

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