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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.
2011 Buick LacrosseOil Type & Capacity
OEM spec from the factory service manual for the CX, 2.4 C variant.
Quick Answer
Oil Type
$API - SAE 5W-30
Capacity (w/ Filter)
5.00 QTS.
4.73 L
Variant
CX, 2.4 C
Note: Use oil that meets GM Standard GM6094M.
For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures.
All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
This vehicle's factory manual
2011 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 2011 Buick Lacrosse
Maintenance Specs
Frequently Asked Questions
- What type of oil does a 2011 Buick Lacrosse take?
- The 2011 Buick Lacrosse requires API - SAE 5W-30. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the CX, 2.4 C configuration.
- How much oil does a 2011 Buick Lacrosse need?
- The 2011 Buick Lacrosse takes 5.00 QTS. (4.73 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2011 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 2011 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.