1989 Ford Mustang Oil Type & Capacity: 5W-30 (5.0 quarts)
The 1989 Ford Mustang 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
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GT, 2D Convertible, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| GT, 2D Convertible, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| GT, 2D Hatchback, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| GT, 2D Hatchback, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Convertible, 2.3 A, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Convertible, 2.3 A, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Convertible, 5.0 E, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Convertible, 5.0 E, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Hatchback, 2.3 A, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Hatchback, 2.3 A, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Hatchback, 5.0 E, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Hatchback, 5.0 E, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Sedan, 2.3 A, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Sedan, 2.3 A, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Sedan, 5.0 E, Automatic | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| LX, 2D Sedan, 5.0 E, Standard | SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
More factory specs & repair guides for your Mustang
🛞 1989 Ford Mustang Tire Size & Pressure →🌧️ 1989 Ford Mustang Wiper Blade Sizes →💡 1989 Ford Mustang Light Bulb Sizes →📖 1989 Ford Mustang Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
14.1 quarts (13.34 L) — 50/50 mixture of FORD Premium Cooling System Fluid and water. Specification: ESE M97B44 A.
Frequently asked questions
What type of oil does a 1989 Ford Mustang take?
The 1989 Ford Mustang takes 5W-30 motor oil (SAE 5W-30 (Below -20Deg.F to 60Deg.F) 10W-30 (Preferred) (0 to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1989 Ford Mustang?
The 1989 Ford Mustang oil capacity is 5.0 quarts with a filter change, or 4.0 quarts without changing the filter.
How often should I change the oil in my 1989 Ford Mustang?
Most 1989 Ford Mustang 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 — Ford recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1989 Ford Mustang?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Ford Mustang. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.