Choosing the right oil for your Dodge Magnum is more important than many owners realize. Oil isn’t just lubrication — it’s protection, cooling, and performance all in one.
The recommended Dodge Magnum oil type is 5W-30 or 5W-20, depending on engine, with full synthetic options like AMSOIL Signature Series, Castrol GTX High Mileage, and Ravenol premium oils, ensuring protection and performance.
This guide breaks down every engine option, model year, and recommended oil, so you can keep your Magnum running strong.
Why Choosing the Right Oil for Dodge Magnum Matters
The Dodge Magnum, produced between 2005 and 2008, came with a variety of engines — from the 2.7L V6 to the high-performance 6.1L SRT8. Each engine has its own oil requirements, and using the wrong type can create real problems.
Here’s why it matters:
- Engine protection: Oil prevents wear by reducing friction between moving parts.
- Performance: The right viscosity helps your Magnum deliver power smoothly.
- Fuel efficiency: Proper oil reduces resistance, which means better MPG.
- Longevity: Stick to the recommended oil, and your engine can last well over 200,000 miles.
Using the wrong oil might seem harmless, but over time it can lead to sludge buildup, overheating, or even engine failure.
Dodge Magnum Oil Recommendations by Year & Engine
Dodge recommended different oil viscosities depending on engine size and whether the vehicle was equipped with MDS (Multi-Displacement System). Below you’ll find the breakdown.
2005 Dodge Magnum Oil Type
- 2.7L V6: 5W-30
- 3.5L V6: 5W-30
- 5.7L HEMI V8: 5W-20 (required if equipped with MDS)
- 6.1L HEMI SRT8: 0W-40 synthetic
2006–2008 Dodge Magnum Oil Type
- 2.7L V6: 5W-30 (synthetic recommended for longevity)
- 3.5L V6: 5W-30
- 5.7L HEMI: 5W-20 (essential for MDS system)
- 6.1L SRT8: 0W-40 full synthetic only
👉 Note: Dodge specifically required 5W-20 for HEMI engines with MDS because thicker oil like 5W-30 can interfere with cylinder deactivation.
Dodge Magnum Oil Capacity (With and Without Filter)
Knowing the oil capacity helps avoid overfilling, which can be just as harmful as running low.
| Engine | Model Years | Oil Type | Capacity (With Filter) |
| 2.7L V6 | 2005–2008 | 5W-30 | ~5 quarts |
| 3.5L V6 | 2005–2008 | 5W-30 | ~5 quarts |
| 5.7L HEMI | 2005–2008 | 5W-20 | ~7 quarts |
| 6.1L SRT8 | 2006–2008 | 0W-40 | ~7 quarts |
👉 Always replace the filter when changing oil. A new filter ensures contaminants don’t circulate back into your fresh oil.
Best Oil Brands for Dodge Magnum
While you don’t have to stick to one brand, using high-quality oils pays off in the long run. Here are trusted options that meet Dodge specifications:
- Mopar MaxPro: OEM recommended oil.
- Mobil 1 Full Synthetic: Popular choice for HEMI engines.
- Pennzoil Platinum: Dodge often partnered with Pennzoil for factory fills.
- Castrol Edge Advanced: Excellent high-performance option.
- Valvoline Advanced Full Synthetic: Known for strong protection in both V6 and V8 Magnums.
Synthetic vs Conventional Oil for Dodge Magnum
One of the most common questions is whether to use synthetic or conventional oil.
- Synthetic Oil: Provides superior protection, especially in hot climates, heavy traffic, or performance driving. It resists breakdown and helps prevent sludge. Perfect for the 5.7L HEMI and 6.1L SRT8.
- Conventional Oil: Acceptable in the V6 engines if you’re on a budget, but it requires more frequent changes (around 3,000 miles).
Best practice: Use full synthetic in all Magnum engines. The extra cost is worth the long-term reliability.
Oil Change Interval for Dodge Magnum
Changing oil on time is as important as using the right type.
- Conventional Oil: Every 3,000–4,000 miles or 3–4 months.
- Synthetic Oil: Every 6,000–8,000 miles, though some owners stretch to 10,000 with high-end oils.
- Severe Conditions (towing, extreme heat, short trips): Change sooner — even synthetic oil breaks down faster under heavy stress.
Common Mistakes to Avoid
Many Magnum owners accidentally shorten their engine’s life with simple mistakes. Avoid these:
- Using the wrong viscosity: For example, using 5W-30 instead of 5W-20 in an MDS HEMI.
- Skipping the filter change: A dirty filter contaminates new oil.
- Overfilling the crankcase: Too much oil can cause foaming and loss of lubrication.
- Mixing synthetic and conventional: Not dangerous in small amounts, but it reduces the effectiveness of synthetic oil.
Dodge Magnum Oil Type Quick Reference Chart
| Engine | Years | Recommended Oil | Capacity (Quarts) | Notes |
| 2.7L V6 | 2005–2008 | 5W-30 | ~5 | Synthetic recommended |
| 3.5L V6 | 2005–2008 | 5W-30 | ~5 | Good with synthetic for longer intervals |
| 5.7L HEMI | 2005–2008 | 5W-20 | ~7 | Must use 5W-20 for MDS |
| 6.1L SRT8 | 2006–2008 | 0W-40 | ~7 | High-performance synthetic only |
2007 Dodge Magnum Oil Type
The 2007 Dodge Magnum typically uses 5W-30 for the V6 engines, while the 5.7L HEMI requires 5W-20. The high-performance 6.1L SRT8 uses 0W-40 synthetic. Always confirm with your owner’s manual for the exact recommendation.
2018 Dodge Magnum Oil Type
Dodge stopped producing the Magnum after 2008, so there isn’t a 2018 Magnum model. If you meant another Dodge vehicle, check its manual for the right oil. For Magnum engines, follow the 2005-2008 oil specifications listed.
2005 Dodge Magnum Oil Type
For 2005 Magnums, Dodge recommended 5W-30 in the 2.7L and 3.5L V6 engines. The 5.7L HEMI required 5W-20, while the SRT8’s 6.1L engine used 0W-40 synthetic. Choosing the correct oil ensures smooth performance and longevity.
Dodge Magnum 3.5 Oil Type
The Dodge Magnum 3.5L V6 works best with 5W-30 engine oil. Many owners prefer using synthetic 5W-30 for longer intervals and better wear protection. This oil helps the 3.5L balance power, efficiency, and reliability over time.
2005 Dodge Magnum Oil Capacity
Oil capacity depends on engine type. The 2.7L and 3.5L V6 engines hold about 5 quarts, while the 5.7L HEMI and 6.1L SRT8 need roughly 7 quarts. Always replace the oil filter when changing.
2005 Dodge Magnum 3.5 Oil Type
The 2005 Dodge Magnum with a 3.5L V6 requires 5W-30 engine oil. Synthetic 5W-30 is highly recommended for strong protection against wear, smoother cold starts, and better high-temperature stability, especially if the car is driven regularly.
2006 Dodge Magnum RT Oil Capacity
The 2006 Dodge Magnum RT comes with a 5.7L HEMI engine, which holds about 7 quarts of 5W-20 oil, including the filter. Always use high-quality oil and a proper filter for reliable engine performance.
2005 Dodge Magnum 3.5 Oil Capacity
The 2005 Dodge Magnum with a 3.5L V6 engine requires about 5 quarts of oil, including the filter. Using the recommended 5W-30 helps maintain performance, fuel economy, and engine health during both short trips and long drives.
FAQs
1. What oil does a Dodge Magnum take?
The Dodge Magnum uses 5W-30 in V6 engines, 5W-20 for 5.7L HEMI, and 0W-40 synthetic for the 6.1L SRT8.
2. What kind of oil does a 2006 Dodge Magnum 3.5 take?
The 2006 Dodge Magnum with a 3.5L V6 engine requires 5W-30 motor oil, with full synthetic strongly recommended for better performance and protection.
3. What oil does a 5.9 Magnum take?
The 5.9L Magnum engine typically uses 10W-30 motor oil, though some owners switch to synthetic for improved durability, smoother starts, and better overall engine protection.
4. What kind of oil does a 2005 Dodge Magnum 2.7 take?
The 2005 Dodge Magnum with a 2.7L V6 uses 5W-30 engine oil. Full synthetic is preferred for longer oil life and reliability.
5. What type of oil does a 4.7 Magnum take?
The 4.7L Magnum engine usually requires 5W-30 oil, though some models specify 10W-30. Synthetic oil provides better performance, especially in hot or demanding driving conditions.
6. How much oil does a V6 Magnum take?
Most Dodge Magnum V6 engines, like the 2.7L and 3.5L, hold about 5 quarts of oil, including the filter during replacement.
7. How much oil does a 2004 Dodge Magnum take?
There wasn’t a 2004 Dodge Magnum. Production began in 2005. For oil capacity, check the 2005 models, which need 5–7 quarts depending on the engine.
8. What oil is recommended for a Dodge?
Dodge generally recommends 5W-20 or 5W-30, depending on the engine. Using full synthetic oils helps improve protection, fuel efficiency, and long-term engine health.
9. What is Magnum oil?
Magnum oil refers to the engine oil type suitable for Dodge Magnum engines, typically 5W-20, 5W-30, or 0W-40, depending on model and size.
10. Does Dodge use full synthetic oil?
Yes, Dodge recommends full synthetic oil for many engines, especially HEMI models. Synthetic provides better heat resistance, cleaner operation, and longer service life.
Conclusion
The Dodge Magnum may no longer be in production, but keeping it well-maintained depends heavily on using the right oil. Whether you drive a V6 or a powerful HEMI, following the factory-recommended oil type and capacity ensures smoother performance, better fuel economy, and a longer engine life. Full synthetic oil is the best choice for most Magnums, offering stronger protection and fewer oil changes. Stick to proper oil intervals, avoid common mistakes, and your Magnum can easily deliver reliable miles for years to come.