2005 Ford Mustang Oil Type & Capacity
The 2005 Ford Mustang oil type depends on the engine: the Base, 2D Convertible, Automatic takes 5W-30 (5.0 quarts with filter); the Base, 2D Convertible, Standard takes 5W-30 (5.0 quarts with filter); the Base, 2D Coupe, Automatic takes 5W-30 (5.0 quarts with filter); the Base, 2D Coupe, Standard takes 5W-30 (5.0 quarts with filter); the GT, 2D Convertible, Automatic takes 5W-20 (6.0 quarts with filter); the GT, 2D Convertible, Standard takes 5W-20 (6.0 quarts with filter); the GT, 2D Coupe, Automatic takes 5W-20 (6.0 quarts with filter); the GT, 2D Coupe, Standard takes 5W-20 (6.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, 2D Convertible, Automatic: 5W-30, 5.0 quarts with filter
- Base, 2D Convertible, Standard: 5W-30, 5.0 quarts with filter
- Base, 2D Coupe, Automatic: 5W-30, 5.0 quarts with filter
- Base, 2D Coupe, Standard: 5W-30, 5.0 quarts with filter
- GT, 2D Convertible, Automatic: 5W-20, 6.0 quarts with filter
- GT, 2D Convertible, Standard: 5W-20, 6.0 quarts with filter
- GT, 2D Coupe, Automatic: 5W-20, 6.0 quarts with filter
- GT, 2D Coupe, Standard: 5W-20, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 2D Convertible, Automatic — 4.0L Eng | SAE 5W-30 Super Motor Oil | 5.00 QTS. | — | — |
| Base, 2D Convertible, Standard — 4.0L Eng | SAE 5W-30 Super Motor Oil | 5.00 QTS. | — | — |
| Base, 2D Coupe, Automatic — 4.0L Eng | SAE 5W-30 Super Motor Oil | 5.00 QTS. | — | — |
| Base, 2D Coupe, Standard — 4.0L Eng | SAE 5W-30 Super Motor Oil | 5.00 QTS. | — | — |
| GT, 2D Convertible, Automatic — 4.6L Eng | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | — | Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C929-A and API Certification mark. |
| GT, 2D Convertible, Standard — 4.6L Eng | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | — | Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C929-A and API Certification mark. |
| GT, 2D Coupe, Automatic — 4.6L Eng | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | — | Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C929-A and API Certification mark. |
| GT, 2D Coupe, Standard — 4.6L Eng | SAE 5W-20 Premium Synthetic Blend Motor Oil | 6.00 QTS. | — | Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only to meet the requirements of FORD Specification: WSS-M2C929-A and API Certification mark. |
Buy the right oil
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More specs & repair guides for your Mustang
2005 Ford Mustang factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.5 quarts (11.82 L) — FORD Premium Gold Engine Coolant. Add the coolant type originally equipped in the vehicle.
Frequently asked questions
What type of oil does a 2005 Ford Mustang take?
It depends on the engine: Base, 2D Convertible, Automatic uses 5W-30; Base, 2D Convertible, Standard uses 5W-30; Base, 2D Coupe, Automatic uses 5W-30; Base, 2D Coupe, Standard uses 5W-30; GT, 2D Convertible, Automatic uses 5W-20; GT, 2D Convertible, Standard uses 5W-20; GT, 2D Coupe, Automatic uses 5W-20; GT, 2D Coupe, Standard uses 5W-20.
How much oil does a 2005 Ford Mustang take?
Capacity depends on the engine: Base, 2D Convertible, Automatic holds 5.0 quarts with filter; Base, 2D Convertible, Standard holds 5.0 quarts with filter; Base, 2D Coupe, Automatic holds 5.0 quarts with filter; Base, 2D Coupe, Standard holds 5.0 quarts with filter; GT, 2D Convertible, Automatic holds 6.0 quarts with filter; GT, 2D Convertible, Standard holds 6.0 quarts with filter; GT, 2D Coupe, Automatic holds 6.0 quarts with filter; GT, 2D Coupe, Standard holds 6.0 quarts with filter.
Can I use synthetic oil in my 2005 Ford Mustang?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Ford Mustang. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.