2005 Acura TSX Oil Type & Capacity: 5W-30 (4.4 quarts)
The 2005 Acura TSX takes 5W-30 motor oil — 4.4 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.4 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | API - SAE 5W-30 | 4.40 QTS. | 4.20 QTS. | Excluding the oil remaining in the engine. You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
| Standard | API - SAE 5W-30 | 4.40 QTS. | 4.20 QTS. | Excluding the oil remaining in the engine. You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
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More factory specs & repair guides for your TSX
🛞 2005 Acura TSX Tire Size & Pressure →🌧️ 2005 Acura TSX Wiper Blade Sizes →💡 2005 Acura TSX Light Bulb Sizes →📖 2005 Acura TSX Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
5.6 quarts (5.29 L) — HONDA All Season Antifreeze/Coolant Type 2. Includes: the coolant in the reserve tank and that remaining in the engine.
Frequently asked questions
What type of oil does a 2005 Acura TSX take?
The 2005 Acura TSX takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 2005 Acura TSX?
The 2005 Acura TSX oil capacity is 4.4 quarts with a filter change, or 4.2 quarts without changing the filter.
How often should I change the oil in my 2005 Acura TSX?
Most 2005 Acura TSX 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 2005 Acura TSX?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Acura TSX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.