1998 Pontiac Grand Am Oil Type & Capacity
The 1998 Pontiac Grand Am oil type depends on the engine: the GT, 2D Coupe, 2.4 T, Automatic takes 5W-30 (4.0 quarts qt with filter); the GT, 2D Coupe, 2.4 T, Standard takes 5W-30 (4.0 quarts qt with filter); the GT, 2D Coupe, 3.1 M takes 5W-30 (4.5 quarts qt with filter); the GT, 4D Sedan, 2.4 T, Automatic takes 5W-30 (4.0 quarts qt with filter); the GT, 4D Sedan, 2.4 T, Standard takes 5W-30 (4.0 quarts qt with filter); the GT, 4D Sedan, 3.1 M takes 5W-30 (4.5 quarts qt with filter); the SE, 2D Coupe, 2.4 T, Automatic takes 5W-30 (4.0 quarts qt with filter); the SE, 2D Coupe, 2.4 T, Standard takes 5W-30 (4.0 quarts qt with filter); the SE, 2D Coupe, 3.1 M takes 5W-30 (4.5 quarts qt with filter); the SE, 4D Sedan, 2.4 T, Automatic takes 5W-30 (4.0 quarts qt with filter); the SE, 4D Sedan, 2.4 T, Standard takes 5W-30 (4.0 quarts qt with filter); the SE, 4D Sedan, 3.1 M takes 5W-30 (4.5 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- GT, 2D Coupe, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- GT, 2D Coupe, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- GT, 2D Coupe, 3.1 M: 5W-30, 4.5 quarts with filter
- GT, 4D Sedan, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- GT, 4D Sedan, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- GT, 4D Sedan, 3.1 M: 5W-30, 4.5 quarts with filter
- SE, 2D Coupe, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- SE, 2D Coupe, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- SE, 2D Coupe, 3.1 M: 5W-30, 4.5 quarts with filter
- SE, 4D Sedan, 2.4 T, Automatic: 5W-30, 4.0 quarts with filter
- SE, 4D Sedan, 2.4 T, Standard: 5W-30, 4.0 quarts with filter
- SE, 4D Sedan, 3.1 M: 5W-30, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GT, 2D Coupe, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GT, 2D Coupe, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GT, 2D Coupe, 3.1 M — 3.1L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| GT, 4D Sedan, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GT, 4D Sedan, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| GT, 4D Sedan, 3.1 M — 3.1L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| SE, 2D Coupe, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| SE, 2D Coupe, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| SE, 2D Coupe, 3.1 M — 3.1L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
| SE, 4D Sedan, 2.4 T, Automatic — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| SE, 4D Sedan, 2.4 T, Standard — 2.4L Eng | API - SAE 5W-30 | 4.00 QTS. | — | — |
| SE, 4D Sedan, 3.1 M — 3.1L Eng | API - SAE 5W-30 | 4.50 QTS. | — | — |
More factory specs & repair guides for your Grand Am
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Coolant capacity
11.3 quarts (10.69 L) — 50/50 mixture of DEX-COOL and clean water (preferably distilled)
Frequently asked questions
What type of oil does a 1998 Pontiac Grand Am take?
It depends on the engine: GT, 2D Coupe, 2.4 T, Automatic uses 5W-30; GT, 2D Coupe, 2.4 T, Standard uses 5W-30; GT, 2D Coupe, 3.1 M uses 5W-30; GT, 4D Sedan, 2.4 T, Automatic uses 5W-30; GT, 4D Sedan, 2.4 T, Standard uses 5W-30; GT, 4D Sedan, 3.1 M uses 5W-30; SE, 2D Coupe, 2.4 T, Automatic uses 5W-30; SE, 2D Coupe, 2.4 T, Standard uses 5W-30; SE, 2D Coupe, 3.1 M uses 5W-30; SE, 4D Sedan, 2.4 T, Automatic uses 5W-30; SE, 4D Sedan, 2.4 T, Standard uses 5W-30; SE, 4D Sedan, 3.1 M uses 5W-30.
What is the oil capacity of a 1998 Pontiac Grand Am?
Oil capacity depends on the engine: GT, 2D Coupe, 2.4 T, Automatic holds 4.0 quarts with filter; GT, 2D Coupe, 2.4 T, Standard holds 4.0 quarts with filter; GT, 2D Coupe, 3.1 M holds 4.5 quarts with filter; GT, 4D Sedan, 2.4 T, Automatic holds 4.0 quarts with filter; GT, 4D Sedan, 2.4 T, Standard holds 4.0 quarts with filter; GT, 4D Sedan, 3.1 M holds 4.5 quarts with filter; SE, 2D Coupe, 2.4 T, Automatic holds 4.0 quarts with filter; SE, 2D Coupe, 2.4 T, Standard holds 4.0 quarts with filter; SE, 2D Coupe, 3.1 M holds 4.5 quarts with filter; SE, 4D Sedan, 2.4 T, Automatic holds 4.0 quarts with filter; SE, 4D Sedan, 2.4 T, Standard holds 4.0 quarts with filter; SE, 4D Sedan, 3.1 M holds 4.5 quarts with filter.
How often should I change the oil in my 1998 Pontiac Grand Am?
Most 1998 Pontiac Grand Am owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Pontiac recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1998 Pontiac Grand Am?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 Pontiac Grand Am. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.