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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.
2015 Buick LacrosseOil Type & Capacity
OEM spec from the factory service manual for the Base, 2.4L Eng VIN R, Trans Mfr CD 6T40 variant.
Quick Answer
Oil Type
$API - SAE 5W-30
Capacity (w/ Filter)
5.00 QTS.
4.73 L
Variant
Base, 2.4L Eng VIN R, Trans Mfr CD 6T40
Note: Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended.
If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
This vehicle's factory manual
2015 Buick Lacrosse: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Sister site: See this spec on WhatTypeOfOil.com — our quick oil type & capacity lookup for every vehicle.
What You'll Need
Related for Your 2015 Buick Lacrosse
Maintenance Specs
Frequently Asked Questions
- What type of oil does a 2015 Buick Lacrosse take?
- The 2015 Buick Lacrosse requires API - SAE 5W-30. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base, 2.4L Eng VIN R, Trans Mfr CD 6T40 configuration.
- How much oil does a 2015 Buick Lacrosse need?
- The 2015 Buick Lacrosse takes 5.00 QTS. (4.73 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2015 Buick Lacrosse?
- Yes — synthetic oil that meets the API - SAE 5W-30 specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2015 Buick Lacrosse?
- Using oil that does not meet the API - SAE 5W-30 specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.