2011 Cadillac CTS Oil Type & Capacity: 5W-30 (6.0 quarts)

The 2011 Cadillac CTS takes 5W-30 motor oil — 6.0 quarts with a filter change, per the factory service manual.

Factory-spec answer

5W-30 — 6.0 quarts with filter

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
Base, 2D Coupe, AWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 2D Coupe, RWD, AutomaticAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 2D Coupe, RWD, StandardAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Sedan, 3.0 Y, AWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Sedan, 3.0 Y, RWD, AutomaticAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Sedan, 3.0 Y, RWD, StandardAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Sedan, 3.6 D, AWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Sedan, 3.6 D, RWD, AutomaticAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Sedan, 3.6 D, RWD, StandardAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Wagon, 3.0 Y, AWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Wagon, 3.0 Y, RWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Wagon, 3.6 D, AWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
Base, 4D Wagon, 3.6 D, RWDAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
V, 2D Coupe, AutomaticAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
V, 2D Coupe, StandardAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
V, 4D Sedan, AutomaticAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
V, 4D Sedan, StandardAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
V, 4D Wagon, AutomaticAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.
V, 4D Wagon, StandardAPI - SAE 5W-306.00 QTS.—Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. If in an area of extreme cold, where the temperature falls below -20Deg.F (-29Deg.C), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures.

More factory specs & repair guides for your CTS

🛞 2011 Cadillac CTS Tire Size & Pressure →🌧️ 2011 Cadillac CTS Wiper Blade Sizes →💡 2011 Cadillac CTS Light Bulb Sizes →📖 2011 Cadillac CTS Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

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Coolant capacity

10.9 quarts (10.31 L) — 50/50 mixture of DEX-COOL and clean drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Frequently asked questions

What type of oil does a 2011 Cadillac CTS take?

The 2011 Cadillac CTS takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.

What is the oil capacity of a 2011 Cadillac CTS?

The 2011 Cadillac CTS oil capacity is 6.0 quarts with a filter change.

How often should I change the oil in my 2011 Cadillac CTS?

Most 2011 Cadillac CTS 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 — Cadillac recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 2011 Cadillac CTS?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2011 Cadillac CTS. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

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