Buick Regal oil specs by year
Buick Regal oil specs changed across the 2011–2020 range. The most recent checked year uses 6 qt of 5W-30. Select the exact year to see the checked capacity, viscosity, and filter for that model year.
Multiple engine options: The Buick Regal was offered with 3 engine options across its history.
Open the exact year page and select your engine to see the correct capacity and viscosity for your vehicle.
| Year | Capacity | Oil type | Filter | Page |
|---|---|---|---|---|
| 2020 | 6 qt | 5W-30 | AMSOIL EA15K01; AMSOIL EA15K02; AMSOIL EA15K03 Verified fit | Open record → |
| 2017 | 6 qt | 5W-30 | Purolator L11403; CHAMP / LUBER-FINER PH10064; AMSOIL EA15K50 Verified fit | Open record → |
| 2016 | 6 qt | 5W-30 | CHAMP / LUBER-FINER PH10064; Purolator L11403; AMSOIL EA15K50 Verified fit | Open record → |
| 2015 | 6 qt | 5W-30 | Purolator L11403; CHAMP / LUBER-FINER PH10064 Verified fit | Open record → |
| 2014 | 6 qt | 5W-30 | AMSOIL EA15K50; WIX 51408; WIX 51409 Verified fit | Open record → |
| 2013 | 6.3 qt | 5W-30 | AMSOIL EA15K03; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
| 2012 | 6.3 qt | 5W-30 | AMSOIL EA15K03; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
| 2011 | 6.3 qt | 5W-30 | AMSOIL EA15K03; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit | Open record → |
Buick Regal oil spec changes by year
Checked records show 1 spec change across the 2011–2020 range. 2014: capacity changed from 6.3 qt to 6 qt (vs 2013). Open the exact year page for the full source notes before buying.
- 2014: capacity changed to 6 qt (was 6.3 qt in 2013). Open 2014 record →
- 2017: engine option “3.6L V6” added.
- 2020: engine option “2.4L 4-Cyl” removed.
Buick Regal oil — frequently asked questions
- What oil does the Buick Regal take?
- The Buick Regal oil spec has changed across model years. The most recent checked year uses 6 qt of 5W-30. Use the year table above to find the spec for your specific model year.
- Does the Buick Regal oil capacity change across years?
- Yes. Checked records show 1 capacity change across the 2011–2020 range. Use the year table above to find the exact capacity for your model year and confirm in your owner's manual.
- Does the Buick Regal have different oil specs for different engines?
- Yes. The Buick Regal has been offered with multiple engine options (2.0L 4-Cyl Turbo, 2.4L 4-Cyl, 3.6L V6). Each engine can have a different oil capacity and viscosity. Open the exact year page, select your engine, and confirm specs before buying.
- What oil filter fits the Buick Regal?
- The most recent checked year lists AMSOIL EA15K01; AMSOIL EA15K02; AMSOIL EA15K03 as a compatible oil filter for the Buick Regal. Filter part numbers can change across model years — open the exact year page for the source-checked part number for your year.
Look up a specific Buick Regal year
Select a model year to open the exact checked oil fitment record before ordering.