The 2008 Nissan Altima generally uses SAE 5W-30 motor oil. The 2.5-liter engine holds about 4.5 quarts, while the 3.5-liter V6 holds about 5.5 quarts. Always verify the level with the dipstick or your owner's manual.
Engine options and oil capacity
The Altima offered two common engines in 2008—a 2.5L inline-four and a 3.5L V6—each with a distinct oil capacity when performing a full oil change with a filter.
- 2.5L I4 (QR25DE): approximately 4.5 quarts (4.3 L) of oil with filter replacement.
- 3.5L V6 (VQ35DE): approximately 5.5 quarts (5.2 L) of oil with filter replacement.
After filling, check the level with the dipstick and top off in small increments if needed to reach the proper mark.
Oil type and viscosity recommendations
For both engines in typical climates, Nissan recommends 5W-30 motor oil. You can use conventional 5W-30 or synthetic 5W-30 that meets API service requirements (SN or newer). Synthetic can offer easier cold starts and longer drain intervals, especially in extreme temperatures.
- Recommended viscosity: 5W-30 for both the 2.5L and 3.5L engines.
- Oil standards: API SN or newer; ILSAC GF-5 or GF-6 compliant oils are acceptable.
Always consult the owner's manual or a Nissan dealer for climate-specific guidance. In very hot or very cold environments, the manual may suggest slight variations, but 5W-30 remains the standard for most 2008 Altima models.
Maintenance intervals and tips
Oil-change intervals depend on the oil type and driving conditions. The following guidelines reflect common practice for a 2008 Altima, but you should follow your manual for exact specifications.
- Conventional oil: typically every 3,000–3,750 miles (about 4,800–6,000 km) or every 3–6 months, depending on driving.
- Synthetic or synthetic-blend oil: often extended to about 5,000–7,500 miles (about 8,000–12,000 km), depending on usage and climate.
- Always check the oil level monthly and before long trips; replace the filter with every oil change and run the engine briefly after adding oil to ensure proper circulation.
Bottom line: follow the schedule in your owner's manual and use the recommended 5W-30 oil to help maximize engine life and performance.
Choosing the right oil brands and standards
To ensure compatibility and protection, select oils that meet current API and ILSAC standards and are suitable for gasoline engines. While Nissan approves branded oils, any reputable brand that meets SN or newer and GF-5/GF-6 standards is appropriate.
Quick-reference checklist
Key takeaways for quick reference:
- Engine options: 2.5L I4 or 3.5L V6
- Oil capacities: 4.5 quarts (2.5L) and 5.5 quarts (3.5L)
- Viscosity: 5W-30
- Standards: API SN or newer; ILSAC GF-5/GF-6
Note: Always verify exact requirements in your owner's manual for your specific vehicle and region.
Summary
The 2008 Nissan Altima typically uses 5W-30 motor oil. The 2.5L engine requires about 4.5 quarts, while the 3.5L engine requires about 5.5 quarts. Both engines can use conventional or synthetic 5W-30 that meets API SN or newer. Adhere to the maintenance intervals in your manual and perform regular checks to maintain optimal engine health.