2019 Buick Regal TourX Oil Type & Capacity: 5W-30 (6.0 quarts)
The 2019 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. |
Complete Oil Change Bundle for 2019 Buick Regal TourX
Everything you need delivered in one order. Pre-matched to your factory spec (5W-30, 6.0 quarts).
As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.
Buy the right oil & filter for your Regal TourX
🛒 Buy 5W-30 Full Synthetic Oil (6.0 quarts needed) on Amazon💡 Capacity Note: Your 2019 Buick Regal TourX holds 6.0 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.
Popular Full Synthetic Brands (5W-30):
As an Amazon Associate we earn from qualifying purchases made through these links.
More factory specs & repair guides for your Regal TourX
🛞 2019 Buick Regal TourX Tire Size & Pressure →🌧️ 2019 Buick Regal TourX Wiper Blade Sizes →💡 2019 Buick Regal TourX Light Bulb Sizes →📖 2019 Buick Regal TourX Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network 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 2019 Buick Regal TourX take?
The 2019 Buick Regal TourX takes 5W-30 motor oil (API - SAE 5W-30 Full Synthetic Engine Oil), per the factory service manual.
What is the oil capacity of a 2019 Buick Regal TourX?
The 2019 Buick Regal TourX oil capacity is 6.0 quarts with a filter change.
How often should I change the oil in my 2019 Buick Regal TourX?
Most 2019 Buick Regal TourX 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 2019 Buick Regal TourX?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2019 Buick Regal TourX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.