1998 Mercury Sable Oil Type & Capacity
The 1998 Mercury Sable takes 5W-20 motor oil — 5.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 5.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GS, 3.0 S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| GS, 3.0 U, AX4N | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| GS, 3.0 U, AX4S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS Premium, 3.0 S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS Premium, 3.0 U | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS, 4D Sedan, 3.0 S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS, 4D Sedan, 3.0 U, AX4N | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS, 4D Sedan, 3.0 U, AX4S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS, 4D Wagon, 3.0 S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS, 4D Wagon, 3.0 U, AX4N | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
| LS, 4D Wagon, 3.0 U, AX4S | SAE 5W-20 Premium Synthetic Blend Motor Oil | 5.50 QTS. | — | — |
Buy the right oil
Buy 5W-20 motor oil on Amazon1998 Mercury Sable oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your Sable
1998 Mercury Sable factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
10.6 quarts (10.03 L) — 50/50 mixture of FORD Premium Cooling System Fluid and water
Frequently asked questions
What type of oil does a 1998 Mercury Sable take?
The 1998 Mercury Sable takes 5W-20 motor oil (SAE 5W-20 Premium Synthetic Blend Motor Oil), per the factory service manual.
How much oil does a 1998 Mercury Sable take?
The 1998 Mercury Sable holds 5.5 quarts with a filter change.
Can I use synthetic oil in my 1998 Mercury Sable?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Mercury Sable. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.