1999 Cadillac Eldorado Oil Type & Capacity
The 1999 Cadillac Eldorado takes 10W-30 motor oil — 7.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-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 10W-30 | 7.50 QTS. | — | — |
| Touring | API - SAE 10W-30 | 7.50 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Eldorado
1999 Cadillac Eldorado factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.5 quarts (11.82 L) — 50/50 mixture of DEX-COOL and clean drinkable water
Frequently asked questions
What type of oil does a 1999 Cadillac Eldorado take?
The 1999 Cadillac Eldorado takes 10W-30 motor oil (API - SAE 10W-30), per the factory service manual.
How much oil does a 1999 Cadillac Eldorado take?
The 1999 Cadillac Eldorado holds 7.5 quarts with a filter change.
Can I use synthetic oil in my 1999 Cadillac Eldorado?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Cadillac Eldorado. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.