1999 Acura SLX Oil Type & Capacity
The 1999 Acura SLX takes 10W-30 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-30 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| SLX | API - SJ Energy Conserving, SAE 10W-30 | 5.00 QTS. | 4.30 QTS. | — |
Buy the right oil
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More specs & repair guides for your SLX
1999 Acura SLX factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
7.4 quarts (7 L) — 50/50 mixture of HONDA Antifreeze/Coolant and water
Frequently asked questions
What type of oil does a 1999 Acura SLX take?
The 1999 Acura SLX takes 10W-30 motor oil (API - SJ Energy Conserving, SAE 10W-30), per the factory service manual.
How much oil does a 1999 Acura SLX take?
The 1999 Acura SLX holds 5.0 quarts with a filter change, or 4.3 quarts without changing the filter.
Can I use synthetic oil in my 1999 Acura SLX?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Acura SLX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.