The 2015 Infiniti Q50 is a luxury sport sedan known for its powerful V6 engine options, smooth performance, and advanced engineering. To maintain engine reliability, using the correct oil type and following proper service intervals is essential.
Proper lubrication helps prevent engine wear, improves fuel efficiency, and ensures smooth performance in both city driving and highway cruising conditions.
2015 Infiniti Q50 Oil Type
The recommended oil type for the 2015 Infiniti Q50 is SAE 5W-30 full synthetic engine oil. This viscosity is designed for all-temperature performance and optimal protection for Infiniti’s VQ-series engines.
Both the 3.5L V6 (VQ35HR) and 3.7L V6 (VQ37VHR) engines require high-quality synthetic oil that meets API and ILSAC specifications.
Best Choice: SAE 5W-30 full synthetic oil (Mobil 1, Castrol EDGE, Valvoline Advanced, Pennzoil Platinum).
2015 Infiniti Q50 Oil Capacity
Oil capacity is the same for most engine variants, but always verify using the dipstick after refilling.
Oil Filter Information
- OEM Filter: Nissan / Infiniti 15208-9E01A or 15208-65F0E
- Aftermarket Brands: Wix, Fram, Bosch, Mobil 1
- Recommendation: Replace oil filter at every oil change
Oil Change Interval
Regular oil changes are essential to prevent sludge buildup and maintain performance in Infiniti VQ engines.
2015 Infiniti Q50 Oil Change Cost
- DIY Cost: $45 – $90
- Independent Shop: $90 – $160
- Dealership: $160 – $250
Common Oil-Related Issues
- Oil consumption in high-mileage VQ engines
- Sludge buildup from extended oil intervals
- Valve cover gasket leaks
- Low oil level warning due to burning oil
- Reduced performance from degraded oil
Maintenance Tips for Longer Engine Life
- Always use SAE 5W-30 full synthetic oil
- Check oil level every 1,000 miles
- Never exceed recommended service intervals
- Replace oil filter at every change
- Use high-quality synthetic brands only
Frequently Asked Questions
What oil does a 2015 Infiniti Q50 use?
It uses SAE 5W-30 full synthetic engine oil for both V6 engine options.
How much oil does it take?
It takes approximately 5.2 quarts with filter change.
Can I use 0W-20 instead?
No, 5W-30 is recommended for proper protection in VQ engines.
How often should oil be changed?
Every 5,000–7,500 miles depending on driving conditions.
Final Thoughts
The 2015 Infiniti Q50 delivers strong performance and luxury driving experience, but it requires proper oil maintenance to stay reliable. Using high-quality synthetic 5W-30 oil and following regular service intervals will help extend engine life and maintain smooth performance.
Quick Summary
- Oil Type: SAE 5W-30 Synthetic
- Capacity: 5.2 Quarts
- Interval: 5,000 – 7,500 Miles
- Best Practice: Frequent oil checks + synthetic oil use