2000 Pontiac Bonneville Oil Type & Capacity: 10W-30 (4.5 quarts)
The 2000 Pontiac Bonneville takes 10W-30 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-30 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| SE, 3.8 1 | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SE, 3.8 K, 4T65E/M15 | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SE, 3.8 K, 4T65E/MN3 | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SLE, 3.8 1 | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SLE, 3.8 K, 4T65E/M15 | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SLE, 3.8 K, 4T65E/MN3 | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SSEi | API - SAE 10W-30 | 4.50 QTS. | — | — |
More factory specs & repair guides for your Bonneville
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Coolant capacity
10.0 quarts (9.46 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. After refill, the level must be checked. Add enough engine coolant so that the fluid is within the proper operating range.
Frequently asked questions
What type of oil does a 2000 Pontiac Bonneville take?
The 2000 Pontiac Bonneville takes 10W-30 motor oil (API - SAE 10W-30), per the factory service manual.
What is the oil capacity of a 2000 Pontiac Bonneville?
The 2000 Pontiac Bonneville oil capacity is 4.5 quarts with a filter change.
How often should I change the oil in my 2000 Pontiac Bonneville?
Most 2000 Pontiac Bonneville 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 — Pontiac recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2000 Pontiac Bonneville?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2000 Pontiac Bonneville. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.