The 2015 Ram 1500 5.7L HEMI V8 is one of the most powerful and widely used pickup engines in North America, known for towing strength, durability, and long-term reliability.
To keep this engine performing at its best, using the correct engine oil and following proper service intervals is extremely important.
Proper lubrication helps reduce engine wear, prevent sludge buildup, and protect critical HEMI components during towing, highway driving, and heavy load conditions.
What Type of Oil Does 2015 Ram 1500 5.7 HEMI Use?
The recommended oil type for 2015 Ram 1500 5.7 HEMI is SAE 5W-20 full synthetic engine oil.
This viscosity is specifically designed for Chrysler HEMI engines to ensure optimal fuel economy, protection, and performance.
While conventional oil can be used in older conditions, full synthetic oil is strongly recommended for modern driving demands and longer engine life.
Best Overall Choice: SAE 5W-20 full synthetic oil meeting API SN or SP standards and Chrysler MS-6395 specification.
2015 Ram 1500 5.7 HEMI Oil Capacity
Oil capacity is consistent for the 5.7L HEMI engine across most trims. Always check dipstick level after filling.
Best Oil Brands for 2015 Ram 1500
High-quality synthetic oil helps reduce HEMI tick issues, improves engine cleanliness, and extends service life.
Recommended Oils
- Mobil 1 5W-20 Advanced Full Synthetic
- Pennzoil Platinum 5W-20
- Castrol EDGE 5W-20
- Valvoline Advanced Full Synthetic
- Royal Purple 5W-20
Benefits of Synthetic Oil
- Better high-load protection for towing
- Reduces sludge and deposits
- Improves engine longevity
- Smoother cold starts
- More stable viscosity under heat
2015 Ram 1500 Oil Change Interval
2015 Ram 1500 Oil Change Cost
Oil change cost depends on oil quality, labor, and service location.
- Basic Oil Service: $40 – $80
- Full Synthetic Service: $80 – $140
- Dealer Service: $120 – $200+
- DIY Cost: $35 – $70 (oil + filter)
Maintenance Tips for Long Engine Life
- Always use Chrysler-approved 5W-20 synthetic oil
- Replace oil filter every oil change
- Avoid extended idling in hot conditions
- Check oil level regularly
- Do not exceed safe oil change intervals under towing use
Frequently Asked Questions (FAQs)
What oil does a 2015 Ram 1500 5.7 HEMI use?
It uses SAE 5W-20 full synthetic engine oil for best performance and protection.
How much oil does a 5.7 HEMI take?
The engine takes approximately 7 quarts with filter change.
How often should I change oil?
Every 7,500–10,000 miles under normal driving and 3,000–5,000 miles under severe conditions.
Is synthetic oil necessary for HEMI engines?
Yes, synthetic oil is strongly recommended for long-term engine durability and performance.
Quick Summary
- Oil Type: SAE 5W-20 Full Synthetic
- Oil Capacity: 7 Quarts
- Change Interval: 7,500–10,000 miles
- Severe Use: 3,000–5,000 miles
- Best Choice: Full Synthetic Oil