2005 Cadillac DeVille Oil Type & Capacity
The 2005 Cadillac DeVille takes 5W-30 motor oil — 7.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 7.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base | API - SAE 5W-30 | 7.50 QTS. | — | Use oil that meets GM Standard GM6094M. DO NOT use other viscosity oils such as SAE 20W-50. 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. |
| DHS | API - SAE 5W-30 | 7.50 QTS. | — | Use oil that meets GM Standard GM6094M. DO NOT use other viscosity oils such as SAE 20W-50. 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. |
| DTS | API - SAE 5W-30 | 7.50 QTS. | — | Use oil that meets GM Standard GM6094M. DO NOT use other viscosity oils such as SAE 20W-50. 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. |
| Protection Series | API - SAE 5W-30 | 7.50 QTS. | — | Use oil that meets GM Standard GM6094M. DO NOT use other viscosity oils such as SAE 20W-50. 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. |
Buy the right oil
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More specs & repair guides for your DeVille
2005 Cadillac DeVille factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
13.0 quarts (12.3 L) — 50/50 mixture of DEX-COOL and clean drinkable water
Frequently asked questions
What type of oil does a 2005 Cadillac DeVille take?
The 2005 Cadillac DeVille takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
How much oil does a 2005 Cadillac DeVille take?
The 2005 Cadillac DeVille holds 7.5 quarts with a filter change.
Can I use synthetic oil in my 2005 Cadillac DeVille?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Cadillac DeVille. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.