1997 Oldsmobile Regency Oil Type & Capacity: 5W-30 (4.5 quarts)
The 1997 Oldsmobile Regency takes 5W-30 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Regency | API - SAE 5W-30 | 4.50 QTS. | — | — |
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More factory specs & repair guides for your Regency
🛞 1997 Oldsmobile Regency Tire Size & Pressure →🌧️ 1997 Oldsmobile Regency Wiper Blade Sizes →💡 1997 Oldsmobile Regency Light Bulb Sizes →📖 1997 Oldsmobile Regency Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
13.0 quarts (12.3 L) — 50/50 mixture of DEX-COOL and clean water (preferably distilled)
Frequently asked questions
What type of oil does a 1997 Oldsmobile Regency take?
The 1997 Oldsmobile Regency takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 1997 Oldsmobile Regency?
The 1997 Oldsmobile Regency oil capacity is 4.5 quarts with a filter change.
How often should I change the oil in my 1997 Oldsmobile Regency?
Most 1997 Oldsmobile Regency 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 1997 Oldsmobile Regency?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1997 Oldsmobile Regency. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.