1991 Alfa Romeo 164 Oil Type & Capacity: 10W-40 (7.4 quarts)
The 1991 Alfa Romeo 164 takes 10W-40 motor oil — 7.4 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-40 — 7.4 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic — 3.0L Eng | SAE 10W-40 | 7.40 QTS. | — | — |
| Base, Standard — 3.0L Eng | SAE 10W-40 | 7.40 QTS. | — | — |
| L, Automatic — 3.0L Eng | SAE 10W-40 | 7.40 QTS. | — | — |
| L, Standard — 3.0L Eng | SAE 10W-40 | 7.40 QTS. | — | — |
| S — 3.0L Eng | SAE 10W-40 | 7.40 QTS. | — | — |
More factory specs & repair guides for your 164
🛞 1991 Alfa Romeo 164 Tire Size & Pressure →🌧️ 1991 Alfa Romeo 164 Wiper Blade Sizes →💡 1991 Alfa Romeo 164 Light Bulb Sizes →📖 1991 Alfa Romeo 164 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
N/A (N/A) — ALFA ROMEO Antifreeze
Frequently asked questions
What type of oil does a 1991 Alfa Romeo 164 take?
The 1991 Alfa Romeo 164 takes 10W-40 motor oil (SAE 10W-40), per the factory service manual.
What is the oil capacity of a 1991 Alfa Romeo 164?
The 1991 Alfa Romeo 164 oil capacity is 7.4 quarts with a filter change.
How often should I change the oil in my 1991 Alfa Romeo 164?
Most 1991 Alfa Romeo 164 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 — Alfa Romeo recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1991 Alfa Romeo 164?
Yes. 10W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Alfa Romeo 164. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.