1986 Oldsmobile Delta 88 Oil Type & Capacity
The 1986 Oldsmobile Delta 88 takes 5W-30 motor oil — 4.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Royale Brougham, 2D Coupe, 3.0 L — 3.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale Brougham, 2D Coupe, 3.8 3 — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale Brougham, 2D Coupe, 3.8 B — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale Brougham, 4D Sedan, 3.0 L — 3.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale Brougham, 4D Sedan, 3.8 3 — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale Brougham, 4D Sedan, 3.8 B — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale, 2D Coupe, 3.0 L — 3.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale, 2D Coupe, 3.8 3 — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale, 2D Coupe, 3.8 B — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale, 4D Sedan, 3.0 L — 3.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale, 4D Sedan, 3.8 3 — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| Royale, 4D Sedan, 3.8 B — 3.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
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More specs & repair guides for your Delta 88
1986 Oldsmobile Delta 88 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.75 quarts (12.06 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1986 Oldsmobile Delta 88 take?
The 1986 Oldsmobile Delta 88 takes 5W-30 motor oil (SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg. to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F)), per the factory service manual.
How much oil does a 1986 Oldsmobile Delta 88 take?
The 1986 Oldsmobile Delta 88 holds 4.0 quarts with a filter change.
Can I use synthetic oil in my 1986 Oldsmobile Delta 88?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1986 Oldsmobile Delta 88. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.