1999 Oldsmobile Intrigue Oil Type & Capacity
The 1999 Oldsmobile Intrigue oil type depends on the engine: the GL, 3.5 H takes 10W-30 (6.0 quarts qt with filter); the GL, 3.8 K takes 10W-30 (4.5 quarts qt with filter); the GLS, 3.5 H takes 10W-30 (6.0 quarts qt with filter); the GLS, 3.8 K takes 10W-30 (4.5 quarts qt with filter); the GX, 3.5 H takes 10W-30 (6.0 quarts qt with filter); the GX, 3.8 K takes 10W-30 (4.5 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- GL, 3.5 H: 10W-30, 6.0 quarts with filter
- GL, 3.8 K: 10W-30, 4.5 quarts with filter
- GLS, 3.5 H: 10W-30, 6.0 quarts with filter
- GLS, 3.8 K: 10W-30, 4.5 quarts with filter
- GX, 3.5 H: 10W-30, 6.0 quarts with filter
- GX, 3.8 K: 10W-30, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GL, 3.5 H — 3.5L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| GL, 3.8 K — 3.8L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| GLS, 3.5 H — 3.5L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| GLS, 3.8 K — 3.8L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| GX, 3.5 H — 3.5L Eng | API - SAE 10W-30 | 6.00 QTS. | — | — |
| GX, 3.8 K — 3.8L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
More factory specs & repair guides for your Intrigue
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Coolant capacity
10.0 quarts (9.46 L) — 50/50 mixture of DEX-COOL and clean, drinkable water
Frequently asked questions
What type of oil does a 1999 Oldsmobile Intrigue take?
It depends on the engine: GL, 3.5 H uses 10W-30; GL, 3.8 K uses 10W-30; GLS, 3.5 H uses 10W-30; GLS, 3.8 K uses 10W-30; GX, 3.5 H uses 10W-30; GX, 3.8 K uses 10W-30.
What is the oil capacity of a 1999 Oldsmobile Intrigue?
Oil capacity depends on the engine: GL, 3.5 H holds 6.0 quarts with filter; GL, 3.8 K holds 4.5 quarts with filter; GLS, 3.5 H holds 6.0 quarts with filter; GLS, 3.8 K holds 4.5 quarts with filter; GX, 3.5 H holds 6.0 quarts with filter; GX, 3.8 K holds 4.5 quarts with filter.
How often should I change the oil in my 1999 Oldsmobile Intrigue?
Most 1999 Oldsmobile Intrigue 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 — Oldsmobile recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1999 Oldsmobile Intrigue?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Oldsmobile Intrigue. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.