2006 Cadillac DTS Oil Type & Capacity
The 2006 Cadillac DTS 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 |
|---|---|---|---|---|
| 4.6 9 | API - SAE 5W-30 | 7.50 QTS. | — | Use oil that meets GM Standard GM6094M. |
| 4.6 Y | API - SAE 5W-30 | 7.50 QTS. | — | Use oil that meets GM Standard GM6094M. |
Buy the right oil
Buy 5W-30 motor oil on Amazon2006 Cadillac DTS oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your DTS
2006 Cadillac DTS factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.9 quarts (12.2 L) — 50/50 mixture of DEX-COOL and clean drinkable water
Frequently asked questions
What type of oil does a 2006 Cadillac DTS take?
The 2006 Cadillac DTS takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
How much oil does a 2006 Cadillac DTS take?
The 2006 Cadillac DTS holds 7.5 quarts with a filter change.
Can I use synthetic oil in my 2006 Cadillac DTS?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2006 Cadillac DTS. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.