What type of oil does a 1987 Buick Lesabre take?

The 1987 Buick Lesabre requires SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F). The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base configuration.

How much oil does a 1987 Buick Lesabre need?

The 1987 Buick Lesabre takes 4.00 QTS. (3.78 L) of engine oil with the filter replaced.

What happens if I use the wrong oil in my 1987 Buick Lesabre?

Using oil that does not meet the SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.

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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

1987 Buick LesabreOil Type & Capacity

OEM spec from the factory service manual for the Base variant.

Quick Answer

Oil Type

$SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F)

Capacity (w/ Filter)

4.00 QTS.

3.78 L

Variant

Base

This vehicle's factory manual

1987 Buick Lesabre: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service manual

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What You'll Need

Engine Oil

$SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) for Buick Lesabre

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Frequently Asked Questions

What type of oil does a 1987 Buick Lesabre take?: The 1987 Buick Lesabre requires SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F). The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base configuration.
How much oil does a 1987 Buick Lesabre need?: The 1987 Buick Lesabre takes 4.00 QTS. (3.78 L) of engine oil with the filter replaced.
Can I use synthetic oil in my 1987 Buick Lesabre?: Yes — synthetic oil that meets the SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) specification is acceptable and often preferred for better protection and longer change intervals.
What happens if I use the wrong oil in my 1987 Buick Lesabre?: Using oil that does not meet the SAE 5W-40 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.