1991 Saab 900 Oil Type & Capacity
The 1991 Saab 900 oil type depends on the engine: the Base, 2D Convertible, Automatic takes 10W-30 (4.5 quarts qt with filter); the Base, 2D Convertible, Standard takes 10W-30 (4.5 quarts qt with filter); the Base, 2D Hatchback, 2.0 L, Automatic takes 10W-30 (4.5 quarts qt with filter); the Base, 2D Hatchback, 2.0 L, Standard takes 10W-30 (4.5 quarts qt with filter); the Base, 2D Hatchback, 2.1 E, Automatic takes 10W-30 (4.0 quarts qt with filter); the Base, 2D Hatchback, 2.1 E, Standard takes 10W-30 (4.0 quarts qt with filter); the Base, 4D Sedan, Automatic takes 10W-30 (4.0 quarts qt with filter); the Base, 4D Sedan, Standard takes 10W-30 (4.0 quarts qt with filter); the S, 2D Convertible, Automatic takes 10W-30 (4.0 quarts qt with filter); the S, 2D Convertible, Standard takes 10W-30 (4.0 quarts qt with filter); the S, 2D Hatchback, Automatic takes 10W-30 (4.0 quarts qt with filter); the S, 2D Hatchback, Standard takes 10W-30 (4.0 quarts qt with filter); the S, 4D Sedan, Automatic takes 10W-30 (4.0 quarts qt with filter); the S, 4D Sedan, Standard takes 10W-30 (4.0 quarts qt with filter); the SE, Automatic takes 10W-30 (4.5 quarts qt with filter); the SE, Standard takes 10W-30 (4.5 quarts qt with filter); the SPG takes 10W-30 (4.5 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, 2D Convertible, Automatic: 10W-30, 4.5 quarts with filter
- Base, 2D Convertible, Standard: 10W-30, 4.5 quarts with filter
- Base, 2D Hatchback, 2.0 L, Automatic: 10W-30, 4.5 quarts with filter
- Base, 2D Hatchback, 2.0 L, Standard: 10W-30, 4.5 quarts with filter
- Base, 2D Hatchback, 2.1 E, Automatic: 10W-30, 4.0 quarts with filter
- Base, 2D Hatchback, 2.1 E, Standard: 10W-30, 4.0 quarts with filter
- Base, 4D Sedan, Automatic: 10W-30, 4.0 quarts with filter
- Base, 4D Sedan, Standard: 10W-30, 4.0 quarts with filter
- S, 2D Convertible, Automatic: 10W-30, 4.0 quarts with filter
- S, 2D Convertible, Standard: 10W-30, 4.0 quarts with filter
- S, 2D Hatchback, Automatic: 10W-30, 4.0 quarts with filter
- S, 2D Hatchback, Standard: 10W-30, 4.0 quarts with filter
- S, 4D Sedan, Automatic: 10W-30, 4.0 quarts with filter
- S, 4D Sedan, Standard: 10W-30, 4.0 quarts with filter
- SE, Automatic: 10W-30, 4.5 quarts with filter
- SE, Standard: 10W-30, 4.5 quarts with filter
- SPG: 10W-30, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 2D Convertible, Automatic — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| Base, 2D Convertible, Standard — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| Base, 2D Hatchback, 2.0 L, Automatic — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| Base, 2D Hatchback, 2.0 L, Standard — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| Base, 2D Hatchback, 2.1 E, Automatic — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 2D Hatchback, 2.1 E, Standard — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 4D Sedan, Automatic — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| Base, 4D Sedan, Standard — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| S, 2D Convertible, Automatic — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| S, 2D Convertible, Standard — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| S, 2D Hatchback, Automatic — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| S, 2D Hatchback, Standard — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| S, 4D Sedan, Automatic — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| S, 4D Sedan, Standard — 2.1L Eng | API - SAE 10W-30 | 4.00 QTS. | — | — |
| SE, Automatic — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SE, Standard — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
| SPG — 2.0L Eng | API - SAE 10W-30 | 4.50 QTS. | — | — |
More factory specs & repair guides for your 900
🛞 1991 Saab 900 Tire Size & Pressure →🌧️ 1991 Saab 900 Wiper Blade Sizes →💡 1991 Saab 900 Light Bulb Sizes →📖 1991 Saab 900 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.5 quarts (9.93 L) — 50/70 mixture of SAAB coolant, BASF G-105 and water
Frequently asked questions
What type of oil does a 1991 Saab 900 take?
It depends on the engine: Base, 2D Convertible, Automatic uses 10W-30; Base, 2D Convertible, Standard uses 10W-30; Base, 2D Hatchback, 2.0 L, Automatic uses 10W-30; Base, 2D Hatchback, 2.0 L, Standard uses 10W-30; Base, 2D Hatchback, 2.1 E, Automatic uses 10W-30; Base, 2D Hatchback, 2.1 E, Standard uses 10W-30; Base, 4D Sedan, Automatic uses 10W-30; Base, 4D Sedan, Standard uses 10W-30; S, 2D Convertible, Automatic uses 10W-30; S, 2D Convertible, Standard uses 10W-30; S, 2D Hatchback, Automatic uses 10W-30; S, 2D Hatchback, Standard uses 10W-30; S, 4D Sedan, Automatic uses 10W-30; S, 4D Sedan, Standard uses 10W-30; SE, Automatic uses 10W-30; SE, Standard uses 10W-30; SPG uses 10W-30.
What is the oil capacity of a 1991 Saab 900?
Oil capacity depends on the engine: Base, 2D Convertible, Automatic holds 4.5 quarts with filter; Base, 2D Convertible, Standard holds 4.5 quarts with filter; Base, 2D Hatchback, 2.0 L, Automatic holds 4.5 quarts with filter; Base, 2D Hatchback, 2.0 L, Standard holds 4.5 quarts with filter; Base, 2D Hatchback, 2.1 E, Automatic holds 4.0 quarts with filter; Base, 2D Hatchback, 2.1 E, Standard holds 4.0 quarts with filter; Base, 4D Sedan, Automatic holds 4.0 quarts with filter; Base, 4D Sedan, Standard holds 4.0 quarts with filter; S, 2D Convertible, Automatic holds 4.0 quarts with filter; S, 2D Convertible, Standard holds 4.0 quarts with filter; S, 2D Hatchback, Automatic holds 4.0 quarts with filter; S, 2D Hatchback, Standard holds 4.0 quarts with filter; S, 4D Sedan, Automatic holds 4.0 quarts with filter; S, 4D Sedan, Standard holds 4.0 quarts with filter; SE, Automatic holds 4.5 quarts with filter; SE, Standard holds 4.5 quarts with filter; SPG holds 4.5 quarts with filter.
How often should I change the oil in my 1991 Saab 900?
Most 1991 Saab 900 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 — Saab recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1991 Saab 900?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Saab 900. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.