2009 Honda Ridgeline Oil Type & Capacity: 5W-20 (4.5 quarts)
The 2009 Honda Ridgeline takes 5W-20 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| RT | API - SAE 5W-20 Detergent Oil | 4.50 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. |
| RTL | API - SAE 5W-20 Detergent Oil | 4.50 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. |
| RTS | API - SAE 5W-20 Detergent Oil | 4.50 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. |
More factory specs & repair guides for your Ridgeline
🛞 2009 Honda Ridgeline Tire Size & Pressure →🌧️ 2009 Honda Ridgeline Wiper Blade Sizes →💡 2009 Honda Ridgeline Light Bulb Sizes →📖 2009 Honda Ridgeline Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
6.56 quarts (6.2 L) — HONDA Long-Life Antifreeze/Coolant Type 2. This coolant is pre-mixed with 50/50 antifreeze and water. Never add straight antifreeze or plain water. Includes: the coolant in the reserve tank and that remaining in the engine. Reserve tank capacity: 0.16 gal.
Frequently asked questions
What type of oil does a 2009 Honda Ridgeline take?
The 2009 Honda Ridgeline takes 5W-20 motor oil (API - SAE 5W-20 Detergent Oil), per the factory service manual.
What is the oil capacity of a 2009 Honda Ridgeline?
The 2009 Honda Ridgeline 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 2009 Honda Ridgeline?
Most 2009 Honda Ridgeline 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 — Honda recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2009 Honda Ridgeline?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Honda Ridgeline. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.