1996 Mercury Grand Marquis Oil Type & Capacity: 5W-20 (5.0 quarts)
The 1996 Mercury Grand Marquis takes 5W-20 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GS, 4.6 6 | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.00 QTS. | — | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
| GS, 4.6 W | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.00 QTS. | — | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
| LS, 4.6 6 | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.00 QTS. | — | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
| LS, 4.6 W | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.00 QTS. | — | Refer to Engine Oil recommended applications for SAE 5W-20 and 5W-30 motor oils TSB No. 02-1-9. |
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More factory specs & repair guides for your Grand Marquis
🛞 1996 Mercury Grand Marquis Tire Size & Pressure →🌧️ 1996 Mercury Grand Marquis Wiper Blade Sizes →💡 1996 Mercury Grand Marquis Light Bulb Sizes →📖 1996 Mercury Grand Marquis 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 1996 Mercury Grand Marquis take?
The 1996 Mercury Grand Marquis takes 5W-20 motor oil (SAE 5W-20 Premium Synthetic Blend Motor Oil), per the factory service manual.
What is the oil capacity of a 1996 Mercury Grand Marquis?
The 1996 Mercury Grand Marquis oil capacity is 5.0 quarts with a filter change.
How often should I change the oil in my 1996 Mercury Grand Marquis?
Most 1996 Mercury Grand Marquis 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 — Mercury recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1996 Mercury Grand Marquis?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1996 Mercury Grand Marquis. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.