2005 Chevrolet Cobalt Oil Type & Capacity: 5W-30 (5.0 quarts)

The 2005 Chevrolet Cobalt takes 5W-30 motor oil — 5.0 quarts with a filter change, per the factory service manual.

Factory-spec answer

5W-30 — 5.0 quarts with filter

🛒 Buy 5W-30 Full Synthetic Oil →🔧 Cobalt Oil Filter →

Oil capacity by engine

Engine	Oil Type (viscosity)	Capacity w/ Filter	Capacity w/o Filter	Notes
Base, 2D Coupe, Automatic — 2.2L Eng	API - SAE 5W-30	5.00 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.
Base, 2D Coupe, Standard — 2.2L Eng	API - SAE 5W-30	5.00 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.
Base, 4D Sedan, Automatic — 2.2L Eng	API - SAE 5W-30	5.00 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.
Base, 4D Sedan, Standard — 2.2L Eng	API - SAE 5W-30	5.00 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.
LS, 2D Coupe, Automatic — 2.2L Eng	API - SAE 5W-30	5.00 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.
LS, 2D Coupe, Standard — 2.2L Eng	API - SAE 5W-30	5.00 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.
LS, 4D Sedan, Automatic — 2.2L Eng	API - SAE 5W-30	5.00 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.
LS, 4D Sedan, Standard — 2.2L Eng	API - SAE 5W-30	5.00 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.
LT, Automatic — 2.2L Eng	API - SAE 5W-30	5.00 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.
LT, Standard — 2.2L Eng	API - SAE 5W-30	5.00 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.
SS — 2.0L Eng	API - SAE 5W-30	5.00 QTS.	—	Use synthetic oil that meets GM Standard GM4718M. 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.

More factory specs & repair guides for your Cobalt

🛞 2005 Chevrolet Cobalt Tire Size & Pressure →🌧️ 2005 Chevrolet Cobalt Wiper Blade Sizes →💡 2005 Chevrolet Cobalt Light Bulb Sizes →📖 2005 Chevrolet Cobalt Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Coolant capacity

6.8 quarts (6.43 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 2005 Chevrolet Cobalt take?

The 2005 Chevrolet Cobalt takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.

What is the oil capacity of a 2005 Chevrolet Cobalt?

The 2005 Chevrolet Cobalt oil capacity is 5.0 quarts with a filter change.

How often should I change the oil in my 2005 Chevrolet Cobalt?

Most 2005 Chevrolet Cobalt 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 — Chevrolet recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 2005 Chevrolet Cobalt?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Chevrolet Cobalt. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Chevrolet Cobalt years

2010 Cobalt 2009 Cobalt 2008 Cobalt 2007 Cobalt 2006 Cobalt