2018 Buick Regal TourX Oil Type & Capacity
The 2018 Buick Regal TourX takes 5W-30 motor oil — 6.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base | API - SAE 5W-30 Full Synthetic Engine Oil | 6.00 QTS. | — | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. In an area of extreme cold, where the temperature falls below -29Deg.C (-20Deg.F), 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. |
| Essence | API - SAE 5W-30 Full Synthetic Engine Oil | 6.00 QTS. | — | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. In an area of extreme cold, where the temperature falls below -29Deg.C (-20Deg.F), 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. |
| Preferred | API - SAE 5W-30 Full Synthetic Engine Oil | 6.00 QTS. | — | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. In an area of extreme cold, where the temperature falls below -29Deg.C (-20Deg.F), 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. |
Buy the right oil
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More specs & repair guides for your Regal TourX
2018 Buick Regal TourX factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
5.3 quarts (5.01 L) — 50/50 mixture of DEX-COOL and clean, drinkable water
Frequently asked questions
What type of oil does a 2018 Buick Regal TourX take?
The 2018 Buick Regal TourX takes 5W-30 motor oil (API - SAE 5W-30 Full Synthetic Engine Oil), per the factory service manual.
How much oil does a 2018 Buick Regal TourX take?
The 2018 Buick Regal TourX holds 6.0 quarts with a filter change.
Can I use synthetic oil in my 2018 Buick Regal TourX?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 Buick Regal TourX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.