2015 Buick LaCrosse Oil Type & Capacity
The 2015 Buick LaCrosse oil type depends on the engine: the 2.4L takes 5W-30 (5.0 quarts qt with filter); the 3.6L takes 5W-30 (6.0 quarts qt with filter); the Premium, AWD, Gas takes 5W-30 (6.0 quarts qt with filter); the Premium, AWD, Gas/Ethanol takes 5W-30 (6.0 quarts qt with filter); the Premium, FWD, Gas takes 5W-30 (6.0 quarts qt with filter); the Premium, FWD, Gas/Ethanol takes 5W-30 (6.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 2.4L: 5W-30, 5.0 quarts with filter
- 2.4L: 5W-30, 5.0 quarts with filter
- 2.4L: 5W-30, 5.0 quarts with filter
- 3.6L: 5W-30, 6.0 quarts with filter
- 3.6L: 5W-30, 6.0 quarts with filter
- 3.6L: 5W-30, 6.0 quarts with filter
- 3.6L: 5W-30, 6.0 quarts with filter
- 3.6L: 5W-30, 6.0 quarts with filter
- 3.6L: 5W-30, 6.0 quarts with filter
- Premium, AWD, Gas: 5W-30, 6.0 quarts with filter
- Premium, AWD, Gas/Ethanol: 5W-30, 6.0 quarts with filter
- Premium, FWD, Gas: 5W-30, 6.0 quarts with filter
- Premium, FWD, Gas/Ethanol: 5W-30, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2.4L — Base, 2.4L Eng VIN R, Trans Mfr CD 6T40, 2.4L Eng | API - SAE 5W-30 | 5.00 QTS. | — | 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. |
| 2.4L — Base, 2.4L Eng VIN R, Trans Mfr CD 6T40/MHH, 2.4L Eng | API - SAE 5W-30 | 5.00 QTS. | — | 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. |
| 2.4L — Leather, 2.4L Eng VIN R, 2.4L Eng | API - SAE 5W-30 | 5.00 QTS. | — | 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. |
| 3.6L — Base, 3.6L Eng VIN 3, Gas/Ethanol, 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| 3.6L — Base, 3.6L Eng VIN 3, Gas, 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| 3.6L — Leather, 3.6L Eng VIN 3, AWD, Gas, 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| 3.6L — Leather, 3.6L Eng VIN 3, FWD, Gas, 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| 3.6L — Leather, 3.6L Eng VIN 3, FWD, Gas/Ethanol, 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| 3.6L — Leather, 3.6L Eng VIN 3, AWD, Gas/Ethanol, 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| Premium, AWD, Gas — 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| Premium, AWD, Gas/Ethanol — 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| Premium, FWD, Gas — 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
| Premium, FWD, Gas/Ethanol — 3.6L Eng | API - SAE 5W-30 | 6.00 QTS. | — | 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. |
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More factory specs & repair guides for your LaCrosse
🛞 2015 Buick LaCrosse Tire Size & Pressure →🌧️ 2015 Buick LaCrosse Wiper Blade Sizes →💡 2015 Buick LaCrosse Light Bulb Sizes →📖 2015 Buick LaCrosse Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.01 quarts (9.47 L) — 50/50 mixture of DEX-COOL and deionized water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2015 Buick LaCrosse take?
It depends on the engine: 2.4L uses 5W-30; 3.6L uses 5W-30; Premium, AWD, Gas uses 5W-30; Premium, AWD, Gas/Ethanol uses 5W-30; Premium, FWD, Gas uses 5W-30; Premium, FWD, Gas/Ethanol uses 5W-30.
What is the oil capacity of a 2015 Buick LaCrosse?
Oil capacity depends on the engine: 2.4L holds 5.0 quarts with filter; 3.6L holds 6.0 quarts with filter; Premium, AWD, Gas holds 6.0 quarts with filter; Premium, AWD, Gas/Ethanol holds 6.0 quarts with filter; Premium, FWD, Gas holds 6.0 quarts with filter; Premium, FWD, Gas/Ethanol holds 6.0 quarts with filter.
How often should I change the oil in my 2015 Buick LaCrosse?
Most 2015 Buick LaCrosse owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Buick recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2015 Buick LaCrosse?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2015 Buick LaCrosse. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.
Other Buick LaCrosse years
2019 LaCrosse2018 LaCrosse2017 LaCrosse2016 LaCrosse2014 LaCrosse2013 LaCrosse2012 LaCrosse2011 LaCrosse2010 LaCrosse2009 LaCrosse2008 LaCrosse2007 LaCrosse2006 LaCrosse2005 LaCrosse