2006 Pontiac Grand Prix Oil Type & Capacity
The 2006 Pontiac Grand Prix oil type depends on the engine: the Base takes 5W-30 (4.5 quarts with filter); the GT takes 5W-30 (4.5 quarts with filter); the GXP takes 5W-30 (6.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base: 5W-30, 4.5 quarts with filter
- GT: 5W-30, 4.5 quarts with filter
- GXP: 5W-30, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base — 3.8L Eng | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| GT — 3.8L Eng | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
| GXP — 5.3L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. |
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More specs & repair guides for your Grand Prix
2006 Pontiac Grand Prix factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.2 quarts (10.59 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 2006 Pontiac Grand Prix take?
It depends on the engine: Base uses 5W-30; GT uses 5W-30; GXP uses 5W-30.
How much oil does a 2006 Pontiac Grand Prix take?
Capacity depends on the engine: Base holds 4.5 quarts with filter; GT holds 4.5 quarts with filter; GXP holds 6.0 quarts with filter.
Can I use synthetic oil in my 2006 Pontiac Grand Prix?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2006 Pontiac Grand Prix. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.