📝 The quick answer
One bottle note: the "right" oil is whatever your owner's manual and the cap on the engine specify. If your oil fill cap is stamped 0W-20, trust the cap over any generic chart, including this one. Nissan changed the recommended grade on the 2.5L midway through the QR25DE engine's life, so two cars badged "Altima 2.5" can want different oil.
⚙️ Altima oil spec by engine and year
Here is the spec for every Altima engine you are likely to own. Capacities are with a new filter and rounded to the nearest tenth of a quart. Always confirm the final level on the dipstick.
| Years / Engine | Oil Weight | Capacity (filter) | Spec / Type |
|---|---|---|---|
| 2002-2006 2.5L (QR25DE) | 5W-30 | 4.5 qt | API SL/SM, blend OK |
| 2007-2012 2.5L (QR25DE) | 5W-30 | 4.9 qt | API SM/SN, blend OK |
| 2013-2018 2.5L (QR25DE) | 0W-20 | 4.9 qt | Full synthetic |
| 2019-2025 2.5L (PR25DD) | 0W-20 | 4.6 qt | Full synthetic |
| 2019-2020 2.0L VC-Turbo (KR20DDET) | 0W-20 | 5.4 qt | Full synthetic |
| 2002-2018 3.5L V6 (VQ35DE) | 5W-30 | 5.1 qt | API SM/SN synthetic |
If you are not sure which engine you have, the V6 cars wear a "3.5" badge and the turbo cars wear "SR VC-Turbo." Everything else is the 2.5L 4-cylinder. The model year on your door jamb sticker tells you whether your 2.5L wants 0W-20 (2013 and up) or 5W-30 (2012 and down).
🧩 Why the weight changed from 5W-30 to 0W-20
Nissan did not move to 0W-20 because the older oil was bad. They moved because thinner oil reduces internal drag and squeezes out a fraction more fuel economy, which automakers chase hard to meet federal CAFE targets. The 2013 redesign retuned the same QR25DE 2.5L engine to run safely on the lighter grade, with tighter bearing clearances and an oil pump matched to 0W-20.
This matters because you cannot simply pour 5W-30 into a 2015 Altima and call it equivalent. The thinner 0W-20 flows faster at cold start, which protects the timing chain and the variable valve timing actuators. Running a heavier oil can starve those parts on a cold morning and, over time, contribute to chain rattle or a rough idle. If you are chasing a noise or a check engine light tied to timing, our pages on the P0011 camshaft timing code and engine ticking noise walk through how oil grade plays into it.
The 2.0L VC-Turbo is its own animal
The variable-compression KR20DDET turbo in the 2019-2020 Altima SR is a complex, low-volume engine. It takes 0W-20 but holds more, about 5.4 quarts, and it is far less forgiving of stretched intervals. Heat from the turbo cooks oil faster, so do not push this engine to 7,500 miles. Treat 5,000 as the ceiling.
📊 How often to change Altima oil
Interval depends on oil type and how you drive. Nissan splits the schedule into "normal" and "severe" service, and most real-world drivers actually fall under severe even if they do not realize it.
| Driving Type | Oil Used | Recommended Interval |
|---|---|---|
| Normal highway | 0W-20 full synthetic | 7,500 mi / 6 mo |
| Severe / city | 0W-20 full synthetic | 3,750-5,000 mi |
| Older 2.5L / V6 | 5W-30 synthetic blend | 5,000 mi |
| 2.0L VC-Turbo | 0W-20 full synthetic | 5,000 mi (firm) |
A DIY oil change runs about $35 to $55 in parts (5 quarts of 0W-20 synthetic is roughly $28 to $40, filter $8 to $14). A shop will charge $65 to $110. If a quote lands higher than that, run it through our repair quote checker before you pay.
⚠️ Common mistakes to avoid
- Pouring 5W-30 into a 0W-20 engine. It will run, but you lose fuel economy and risk cold-start timing-chain wear. Nissan lists 5W-20 as the only acceptable backup, and only until your next change.
- Overfilling. The 4.6 to 4.9 quart figure includes the filter. If you dumped the filter without fully draining, you may need slightly less. Fill 4 quarts, run it, check the dipstick, then top to the mark. Overfilling foams the oil and can push past seals.
- Using a conventional oil to save money. 0W-20 is sold as full synthetic only. There is no real conventional 0W-20. Anything labeled "synthetic blend 0W-20" is fine but full synthetic is cheap insurance on a CVT-equipped engine.
- Ignoring oil consumption. Some 2013-2018 2.5L engines burn oil between changes. If yours is low, that is a known pattern worth tracking. Low oil can trigger lifter tick or a P0300 random misfire if it drops far enough.
- Forgetting the CVT. Engine oil is not transmission fluid. The Altima's CVT uses Nissan NS-3 fluid on a separate schedule. Do not confuse the two.
🧮 Which oil should I buy? A 30-second guide
- Find your year. Door jamb sticker or registration. 2013 and newer 2.5L = 0W-20. 2012 and older 2.5L = 5W-30.
- Identify the engine. No badge or "2.5 SV/SL" = 2.5L four. "3.5" = V6 (5W-30). "SR VC-Turbo" = 2.0L (0W-20).
- Confirm at the cap. The grade is stamped on the oil fill cap. The cap wins any disagreement.
- Buy the right amount. Get a 5-quart jug. The 2.5L uses 4.6 to 4.9, the V6 uses 5.1, the turbo uses 5.4 (you may need a sixth quart for the turbo).
- Match the spec. Look for API SP or the Nissan-recommended rating on the bottle. Any major brand 0W-20 full synthetic qualifies.
If your light came on between changes or the dipstick reads low fast, the issue may not be the oil at all. A free AI diagnosis can tell you whether you are looking at normal consumption, a leak, or something feeding a check engine light.
❓ Frequently asked questions
✅ TL;DR
- 2013+ 2.5L and 2019+ 2.0L turbo: 0W-20 full synthetic.
- 2002-2012 2.5L and all 3.5L V6: 5W-30.
- Capacity: 2.5L about 4.6 to 4.9 qt, V6 about 5.1 qt, turbo about 5.4 qt (with filter).
- Interval: 7,500 mi normal, 5,000 mi severe; turbo capped at 5,000.
- Always trust the stamp on your oil fill cap and confirm the level on the dipstick.