2005 Sentra Sentra Owners Manual:
RECOMMENDED SAE VISCOSITY NUMBER
SAE 5W-30 viscosity oil is preferred for all
temperatures. SAE 10W-30 or SAE
10W-40 viscosity oils may be used if the
ambient temperature is above 0°F (-18°C).
Engine oil *7
Drain and Refill
With oil filter change
QG18DE 2–7/8 qt 2–3/8 qt 2.7L
QR25DE 4–1/4 qt 3–1/2 qt 4.0L
Without oil filter change
QG18DE 2–5/8 qt 2–1/4 qt 2.5L
QR25DE 4 qt 3–3/8 qt 3.8L
• API Certification Mark *2 *3
• API grade SG/SH, Energy Conserving I & II or API grade SJ or SL, Energy Conserving *2 *3
• ILSAC grade GF-I, GF-II, or GF-III*2 *3
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This is what your owners manual has as recommended lubricants.