2006 Pontiac GTO Oil Type & Capacity: 5W-30 (6.55 quarts)
The 2006 Pontiac GTO takes 5W-30 motor oil — 6.55 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 6.55 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | API - SAE 5W-30 | 6.55 QTS. | 6.02 QTS. | Use synthetic oil that meets GM Standard GM4718M. |
| Standard | API - SAE 5W-30 | 6.55 QTS. | 6.02 QTS. | Use synthetic oil that meets GM Standard GM4718M. |
More factory specs & repair guides for your GTO
🛞 2006 Pontiac GTO Tire Size & Pressure →🌧️ 2006 Pontiac GTO Wiper Blade Sizes →💡 2006 Pontiac GTO Light Bulb Sizes →📖 2006 Pontiac GTO Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
11.6 quarts (10.97 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 GTO take?
The 2006 Pontiac GTO takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 2006 Pontiac GTO?
The 2006 Pontiac GTO oil capacity is 6.55 quarts with a filter change, or 6.02 quarts without changing the filter.
How often should I change the oil in my 2006 Pontiac GTO?
Most 2006 Pontiac GTO 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 2006 Pontiac GTO?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2006 Pontiac GTO. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.