1991 Ford LTD Crown Victoria Oil Type & Capacity: 5W-30 (5.0 quarts)
The 1991 Ford LTD Crown Victoria 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 |
|---|---|---|---|---|
| Base, 4D Sedan, 5.0 F | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| Base, 4D Sedan, 5.8 G | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| Base, 4D Wagon, 5.0 F | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| Base, 4D Wagon, 5.8 G | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| Country Squire | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| Country Squire LX | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LX, 4D Sedan, 5.0 F | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LX, 4D Sedan, 5.8 G | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LX, 4D Wagon, 5.0 F | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LX, 4D Wagon, 5.8 G | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| S, 5.0 F | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| S, 5.8 G | SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
Complete Oil Change Bundle for 1991 Ford LTD Crown Victoria
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More factory specs & repair guides for your LTD Crown Victoria
🛞 1991 Ford LTD Crown Victoria Tire Size & Pressure →🌧️ 1991 Ford LTD Crown Victoria Wiper Blade Sizes →💡 1991 Ford LTD Crown Victoria Light Bulb Sizes →📖 1991 Ford LTD Crown Victoria 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
Frequently asked questions
What type of oil does a 1991 Ford LTD Crown Victoria take?
The 1991 Ford LTD Crown Victoria takes 5W-30 motor oil (SAE 5W-30 (Preferred) (Below -20Deg.F to 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1991 Ford LTD Crown Victoria?
The 1991 Ford LTD Crown Victoria oil capacity is 5.0 quarts with a filter change.
How often should I change the oil in my 1991 Ford LTD Crown Victoria?
Most 1991 Ford LTD Crown Victoria 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 1991 Ford LTD Crown Victoria?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Ford LTD Crown Victoria. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.