2003 Acura MDX Oil Type & Capacity: 5W-20 (4.5 quarts)
The 2003 Acura MDX takes 5W-20 motor oil — 4.5 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 |
|---|---|---|---|---|
| Base | API - SAE 5W-20 | 4.50 QTS. | 4.20 QTS. | Excluding the oil remaining in the engine. |
| Touring | API - SAE 5W-20 | 4.50 QTS. | 4.20 QTS. | Excluding the oil remaining in the engine. |
More factory specs & repair guides for your MDX
🛞 2003 Acura MDX Tire Size & Pressure →🌧️ 2003 Acura MDX Wiper Blade Sizes →💡 2003 Acura MDX Light Bulb Sizes →📖 2003 Acura MDX Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.52 quarts (7.11 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 2003 Acura MDX take?
The 2003 Acura MDX takes 5W-20 motor oil (API - SAE 5W-20), per the factory service manual.
What is the oil capacity of a 2003 Acura MDX?
The 2003 Acura MDX oil capacity is 4.5 quarts with a filter change, or 4.2 quarts without changing the filter.
How often should I change the oil in my 2003 Acura MDX?
Most 2003 Acura MDX 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 2003 Acura MDX?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2003 Acura MDX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.