1998 Acura SLX Oil Type & Capacity: 5W-30 (5.0 quarts)
The 1998 Acura SLX takes 5W-30 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| SLX | API - SJ Energy Conserving, SAE 5W-30 | 5.00 QTS. | 4.30 QTS. | — |
More factory specs & repair guides for your SLX
🛞 1998 Acura SLX Tire Size & Pressure →🌧️ 1998 Acura SLX Wiper Blade Sizes →💡 1998 Acura SLX Light Bulb Sizes →📖 1998 Acura SLX Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.3 quarts (8.8 L) — 50/50 mixture of HONDA Antifreeze/Coolant and water
Frequently asked questions
What type of oil does a 1998 Acura SLX take?
The 1998 Acura SLX takes 5W-30 motor oil (API - SJ Energy Conserving, SAE 5W-30), per the factory service manual.
What is the oil capacity of a 1998 Acura SLX?
The 1998 Acura SLX oil capacity is 5.0 quarts with a filter change, or 4.3 quarts without changing the filter.
How often should I change the oil in my 1998 Acura SLX?
Most 1998 Acura SLX 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 — Acura recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1998 Acura SLX?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Acura SLX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.