1985 Mercury Topaz Oil Type & Capacity: 5W-30 (5.0 quarts)
The 1985 Mercury Topaz 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 |
|---|---|---|---|---|
| GS, 2D Sedan, 2.0 H | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 2D Sedan, 2.3 S, Automatic | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 2D Sedan, 2.3 S, Standard | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 2D Sedan, 2.3 X, Automatic | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 2D Sedan, 2.3 X, Standard | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 4D Sedan, 2.0 H | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 4D Sedan, 2.3 S, Automatic | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 4D Sedan, 2.3 S, Standard | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 4D Sedan, 2.3 X, Automatic | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| GS, 4D Sedan, 2.3 X, Standard | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LS, 2D Sedan, 2.0 H | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LS, 2D Sedan, 2.3 X, Automatic | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LS, 2D Sedan, 2.3 X, Standard | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LS, 4D Sedan, 2.0 H | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LS, 4D Sedan, 2.3 X, Automatic | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| LS, 4D Sedan, 2.3 X, Standard | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
More factory specs & repair guides for your Topaz
🛞 1985 Mercury Topaz Tire Size & Pressure →🌧️ 1985 Mercury Topaz Wiper Blade Sizes →💡 1985 Mercury Topaz Light Bulb Sizes →📖 1985 Mercury Topaz Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.2 quarts (6.81 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 1985 Mercury Topaz take?
The 1985 Mercury Topaz takes 5W-30 motor oil (SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1985 Mercury Topaz?
The 1985 Mercury Topaz oil capacity is 5.0 quarts with a filter change.
How often should I change the oil in my 1985 Mercury Topaz?
Most 1985 Mercury Topaz 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 1985 Mercury Topaz?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1985 Mercury Topaz. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.