2001 Oldsmobile Alero Oil Type & Capacity
The 2001 Oldsmobile Alero oil type depends on the engine: the GL, 2D Coupe, 2.4 T, Automatic takes 5W-30 (4.0 quarts with filter); the GL, 2D Coupe, 2.4 T, Standard takes 5W-30 (4.0 quarts with filter); the GL, 2D Coupe, 3.4 E takes 5W-30 (4.5 quarts with filter); the GL, 4D Sedan, 2.4 T, Automatic takes 5W-30 (4.0 quarts with filter); the GL, 4D Sedan, 2.4 T, Standard takes 5W-30 (4.0 quarts with filter); the GL, 4D Sedan, 3.4 E takes 5W-30 (4.5 quarts with filter); the GLS, 2D Coupe takes 5W-30 (4.5 quarts with filter); the GLS, 4D Sedan, 2.4 T takes 5W-30 (4.0 quarts with filter); the GLS, 4D Sedan, 3.4 E takes 5W-30 (4.5 quarts with filter); the GX, 2D Coupe, 2.4 T, Automatic takes 5W-30 (4.0 quarts with filter); the GX, 2D Coupe, 2.4 T, Standard takes 5W-30 (4.0 quarts with filter); the GX, 2D Coupe, 3.4 E takes 5W-30 (4.5 quarts with filter); the GX, 4D Sedan, Automatic takes 5W-30 (4.0 quarts with filter); the GX, 4D Sedan, Standard takes 5W-30 (4.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- GL, 2D Coupe, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- GL, 2D Coupe, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- GL, 2D Coupe, 3.4 E: 5W-30, 4.5 quarts with filter
- GL, 4D Sedan, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- GL, 4D Sedan, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- GL, 4D Sedan, 3.4 E: 5W-30, 4.5 quarts with filter
- GLS, 2D Coupe: 5W-30, 4.5 quarts with filter
- GLS, 4D Sedan, 2.4 T: 5W-30, 4.0 quarts with filter
- GLS, 4D Sedan, 3.4 E: 5W-30, 4.5 quarts with filter
- GX, 2D Coupe, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- GX, 2D Coupe, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- GX, 2D Coupe, 3.4 E: 5W-30, 4.5 quarts with filter
- GX, 4D Sedan, Automatic: 5W-30, 4.0 quarts with filter
- GX, 4D Sedan, Standard: 5W-30, 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GL, 2D Coupe, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GL, 2D Coupe, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GL, 2D Coupe, 3.4 E — 3.4L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| GL, 4D Sedan, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GL, 4D Sedan, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GL, 4D Sedan, 3.4 E — 3.4L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| GLS, 2D Coupe — 3.4L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| GLS, 4D Sedan, 2.4 T — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GLS, 4D Sedan, 3.4 E — 3.4L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| GX, 2D Coupe, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GX, 2D Coupe, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GX, 2D Coupe, 3.4 E — 3.4L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| GX, 4D Sedan, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GX, 4D Sedan, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Alero
2001 Oldsmobile Alero factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.3 quarts (10.69 L) — 50/50 mixture of DEX-COOL and clean, drinkable water
Frequently asked questions
What type of oil does a 2001 Oldsmobile Alero take?
It depends on the engine: GL, 2D Coupe, 2.4 T, Automatic uses 5W-30; GL, 2D Coupe, 2.4 T, Standard uses 5W-30; GL, 2D Coupe, 3.4 E uses 5W-30; GL, 4D Sedan, 2.4 T, Automatic uses 5W-30; GL, 4D Sedan, 2.4 T, Standard uses 5W-30; GL, 4D Sedan, 3.4 E uses 5W-30; GLS, 2D Coupe uses 5W-30; GLS, 4D Sedan, 2.4 T uses 5W-30; GLS, 4D Sedan, 3.4 E uses 5W-30; GX, 2D Coupe, 2.4 T, Automatic uses 5W-30; GX, 2D Coupe, 2.4 T, Standard uses 5W-30; GX, 2D Coupe, 3.4 E uses 5W-30; GX, 4D Sedan, Automatic uses 5W-30; GX, 4D Sedan, Standard uses 5W-30.
How much oil does a 2001 Oldsmobile Alero take?
Capacity depends on the engine: GL, 2D Coupe, 2.4 T, Automatic holds 4.0 quarts with filter; GL, 2D Coupe, 2.4 T, Standard holds 4.0 quarts with filter; GL, 2D Coupe, 3.4 E holds 4.5 quarts with filter; GL, 4D Sedan, 2.4 T, Automatic holds 4.0 quarts with filter; GL, 4D Sedan, 2.4 T, Standard holds 4.0 quarts with filter; GL, 4D Sedan, 3.4 E holds 4.5 quarts with filter; GLS, 2D Coupe holds 4.5 quarts with filter; GLS, 4D Sedan, 2.4 T holds 4.0 quarts with filter; GLS, 4D Sedan, 3.4 E holds 4.5 quarts with filter; GX, 2D Coupe, 2.4 T, Automatic holds 4.0 quarts with filter; GX, 2D Coupe, 2.4 T, Standard holds 4.0 quarts with filter; GX, 2D Coupe, 3.4 E holds 4.5 quarts with filter; GX, 4D Sedan, Automatic holds 4.0 quarts with filter; GX, 4D Sedan, Standard holds 4.0 quarts with filter.
Can I use synthetic oil in my 2001 Oldsmobile Alero?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2001 Oldsmobile Alero. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.