1984 Oldsmobile Firenza Oil Type & Capacity
The 1984 Oldsmobile Firenza oil type depends on the engine: the Base, 1.8 0, Automatic takes 5W-30 (3.0 quarts qt with filter); the Base, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts qt with filter); the Base, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts qt with filter); the Base, 2.0 B, Automatic takes 5W-30 (4.0 quarts qt with filter); the Base, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the Base, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the Base, 2.0 P, Automatic takes 5W-30 (4.0 quarts qt with filter); the Base, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the Base, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the Cruiser, 1.8 0, Automatic takes 5W-30 (3.0 quarts qt with filter); the Cruiser, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts qt with filter); the Cruiser, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts qt with filter); the Cruiser, 2.0 B, Automatic takes 5W-30 (4.0 quarts qt with filter); the Cruiser, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the Cruiser, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the Cruiser, 2.0 P, Automatic takes 5W-30 (4.0 quarts qt with filter); the Cruiser, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the Cruiser, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the LX Cruiser, 1.8 0, Automatic takes 5W-30 (3.0 quarts qt with filter); the LX Cruiser, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts qt with filter); the LX Cruiser, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts qt with filter); the LX Cruiser, 2.0 B, Automatic takes 5W-30 (4.0 quarts qt with filter); the LX Cruiser, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the LX Cruiser, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the LX Cruiser, 2.0 P, Automatic takes 5W-30 (4.0 quarts qt with filter); the LX Cruiser, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the LX Cruiser, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the LX, 1.8 0, Automatic takes 5W-30 (3.0 quarts qt with filter); the LX, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts qt with filter); the LX, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts qt with filter); the LX, 2.0 B, Automatic takes 5W-30 (4.0 quarts qt with filter); the LX, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the LX, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the LX, 2.0 P, Automatic takes 5W-30 (4.0 quarts qt with filter); the LX, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the LX, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the S, 1.8 0, Automatic takes 5W-30 (3.0 quarts qt with filter); the S, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts qt with filter); the S, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts qt with filter); the S, 2.0 B, Automatic takes 5W-30 (4.0 quarts qt with filter); the S, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the S, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the S, 2.0 P, Automatic takes 5W-30 (4.0 quarts qt with filter); the S, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the S, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the SX, 1.8 0, Automatic takes 5W-30 (3.0 quarts qt with filter); the SX, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts qt with filter); the SX, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts qt with filter); the SX, 2.0 B, Automatic takes 5W-30 (4.0 quarts qt with filter); the SX, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the SX, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter); the SX, 2.0 P, Automatic takes 5W-30 (4.0 quarts qt with filter); the SX, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts qt with filter); the SX, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, 1.8 0, Automatic: 5W-30, 3.0 quarts with filter
- Base, 1.8 0, Standard, MK7: 5W-30, 3.0 quarts with filter
- Base, 1.8 0, Standard, MR3: 5W-30, 3.0 quarts with filter
- Base, 2.0 B, Automatic: 5W-30, 4.0 quarts with filter
- Base, 2.0 B, Standard, M19: 5W-30, 4.0 quarts with filter
- Base, 2.0 B, Standard, MR3: 5W-30, 4.0 quarts with filter
- Base, 2.0 P, Automatic: 5W-30, 4.0 quarts with filter
- Base, 2.0 P, Standard, M19: 5W-30, 4.0 quarts with filter
- Base, 2.0 P, Standard, MR3: 5W-30, 4.0 quarts with filter
- Cruiser, 1.8 0, Automatic: 5W-30, 3.0 quarts with filter
- Cruiser, 1.8 0, Standard, MK7: 5W-30, 3.0 quarts with filter
- Cruiser, 1.8 0, Standard, MR3: 5W-30, 3.0 quarts with filter
- Cruiser, 2.0 B, Automatic: 5W-30, 4.0 quarts with filter
- Cruiser, 2.0 B, Standard, M19: 5W-30, 4.0 quarts with filter
- Cruiser, 2.0 B, Standard, MR3: 5W-30, 4.0 quarts with filter
- Cruiser, 2.0 P, Automatic: 5W-30, 4.0 quarts with filter
- Cruiser, 2.0 P, Standard, M19: 5W-30, 4.0 quarts with filter
- Cruiser, 2.0 P, Standard, MR3: 5W-30, 4.0 quarts with filter
- LX Cruiser, 1.8 0, Automatic: 5W-30, 3.0 quarts with filter
- LX Cruiser, 1.8 0, Standard, MK7: 5W-30, 3.0 quarts with filter
- LX Cruiser, 1.8 0, Standard, MR3: 5W-30, 3.0 quarts with filter
- LX Cruiser, 2.0 B, Automatic: 5W-30, 4.0 quarts with filter
- LX Cruiser, 2.0 B, Standard, M19: 5W-30, 4.0 quarts with filter
- LX Cruiser, 2.0 B, Standard, MR3: 5W-30, 4.0 quarts with filter
- LX Cruiser, 2.0 P, Automatic: 5W-30, 4.0 quarts with filter
- LX Cruiser, 2.0 P, Standard, M19: 5W-30, 4.0 quarts with filter
- LX Cruiser, 2.0 P, Standard, MR3: 5W-30, 4.0 quarts with filter
- LX, 1.8 0, Automatic: 5W-30, 3.0 quarts with filter
- LX, 1.8 0, Standard, MK7: 5W-30, 3.0 quarts with filter
- LX, 1.8 0, Standard, MR3: 5W-30, 3.0 quarts with filter
- LX, 2.0 B, Automatic: 5W-30, 4.0 quarts with filter
- LX, 2.0 B, Standard, M19: 5W-30, 4.0 quarts with filter
- LX, 2.0 B, Standard, MR3: 5W-30, 4.0 quarts with filter
- LX, 2.0 P, Automatic: 5W-30, 4.0 quarts with filter
- LX, 2.0 P, Standard, M19: 5W-30, 4.0 quarts with filter
- LX, 2.0 P, Standard, MR3: 5W-30, 4.0 quarts with filter
- S, 1.8 0, Automatic: 5W-30, 3.0 quarts with filter
- S, 1.8 0, Standard, MK7: 5W-30, 3.0 quarts with filter
- S, 1.8 0, Standard, MR3: 5W-30, 3.0 quarts with filter
- S, 2.0 B, Automatic: 5W-30, 4.0 quarts with filter
- S, 2.0 B, Standard, M19: 5W-30, 4.0 quarts with filter
- S, 2.0 B, Standard, MR3: 5W-30, 4.0 quarts with filter
- S, 2.0 P, Automatic: 5W-30, 4.0 quarts with filter
- S, 2.0 P, Standard, M19: 5W-30, 4.0 quarts with filter
- S, 2.0 P, Standard, MR3: 5W-30, 4.0 quarts with filter
- SX, 1.8 0, Automatic: 5W-30, 3.0 quarts with filter
- SX, 1.8 0, Standard, MK7: 5W-30, 3.0 quarts with filter
- SX, 1.8 0, Standard, MR3: 5W-30, 3.0 quarts with filter
- SX, 2.0 B, Automatic: 5W-30, 4.0 quarts with filter
- SX, 2.0 B, Standard, M19: 5W-30, 4.0 quarts with filter
- SX, 2.0 B, Standard, MR3: 5W-30, 4.0 quarts with filter
- SX, 2.0 P, Automatic: 5W-30, 4.0 quarts with filter
- SX, 2.0 P, Standard, M19: 5W-30, 4.0 quarts with filter
- SX, 2.0 P, Standard, MR3: 5W-30, 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 1.8 0, Automatic — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Base, 1.8 0, Standard, MK7 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Base, 1.8 0, Standard, MR3 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Base, 2.0 B, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Base, 2.0 B, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Base, 2.0 B, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Base, 2.0 P, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Base, 2.0 P, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Base, 2.0 P, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Cruiser, 1.8 0, Automatic — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Cruiser, 1.8 0, Standard, MK7 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Cruiser, 1.8 0, Standard, MR3 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| Cruiser, 2.0 B, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Cruiser, 2.0 B, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Cruiser, 2.0 B, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Cruiser, 2.0 P, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Cruiser, 2.0 P, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| Cruiser, 2.0 P, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX Cruiser, 1.8 0, Automatic — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LX Cruiser, 1.8 0, Standard, MK7 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LX Cruiser, 1.8 0, Standard, MR3 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LX Cruiser, 2.0 B, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX Cruiser, 2.0 B, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX Cruiser, 2.0 B, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX Cruiser, 2.0 P, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX Cruiser, 2.0 P, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX Cruiser, 2.0 P, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX, 1.8 0, Automatic — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LX, 1.8 0, Standard, MK7 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LX, 1.8 0, Standard, MR3 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| LX, 2.0 B, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX, 2.0 B, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX, 2.0 B, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX, 2.0 P, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX, 2.0 P, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LX, 2.0 P, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| S, 1.8 0, Automatic — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| S, 1.8 0, Standard, MK7 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| S, 1.8 0, Standard, MR3 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| S, 2.0 B, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| S, 2.0 B, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| S, 2.0 B, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| S, 2.0 P, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| S, 2.0 P, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| S, 2.0 P, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SX, 1.8 0, Automatic — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| SX, 1.8 0, Standard, MK7 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| SX, 1.8 0, Standard, MR3 — 1.8L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 3.00 QTS. | — | — |
| SX, 2.0 B, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SX, 2.0 B, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SX, 2.0 B, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SX, 2.0 P, Automatic — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SX, 2.0 P, Standard, M19 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SX, 2.0 P, Standard, MR3 — 2.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 or 10W-40 (0Deg.F to Above 100Deg.F), 15W-40 (15Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
Complete Oil Change Bundle for 1984 Oldsmobile Firenza
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More factory specs & repair guides for your Firenza
🛞 1984 Oldsmobile Firenza Tire Size & Pressure →🌧️ 1984 Oldsmobile Firenza Wiper Blade Sizes →💡 1984 Oldsmobile Firenza Light Bulb Sizes →📖 1984 Oldsmobile Firenza 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) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1984 Oldsmobile Firenza take?
It depends on the engine: Base, 1.8 0, Automatic uses 5W-30; Base, 1.8 0, Standard, MK7 uses 5W-30; Base, 1.8 0, Standard, MR3 uses 5W-30; Base, 2.0 B, Automatic uses 5W-30; Base, 2.0 B, Standard, M19 uses 5W-30; Base, 2.0 B, Standard, MR3 uses 5W-30; Base, 2.0 P, Automatic uses 5W-30; Base, 2.0 P, Standard, M19 uses 5W-30; Base, 2.0 P, Standard, MR3 uses 5W-30; Cruiser, 1.8 0, Automatic uses 5W-30; Cruiser, 1.8 0, Standard, MK7 uses 5W-30; Cruiser, 1.8 0, Standard, MR3 uses 5W-30; Cruiser, 2.0 B, Automatic uses 5W-30; Cruiser, 2.0 B, Standard, M19 uses 5W-30; Cruiser, 2.0 B, Standard, MR3 uses 5W-30; Cruiser, 2.0 P, Automatic uses 5W-30; Cruiser, 2.0 P, Standard, M19 uses 5W-30; Cruiser, 2.0 P, Standard, MR3 uses 5W-30; LX Cruiser, 1.8 0, Automatic uses 5W-30; LX Cruiser, 1.8 0, Standard, MK7 uses 5W-30; LX Cruiser, 1.8 0, Standard, MR3 uses 5W-30; LX Cruiser, 2.0 B, Automatic uses 5W-30; LX Cruiser, 2.0 B, Standard, M19 uses 5W-30; LX Cruiser, 2.0 B, Standard, MR3 uses 5W-30; LX Cruiser, 2.0 P, Automatic uses 5W-30; LX Cruiser, 2.0 P, Standard, M19 uses 5W-30; LX Cruiser, 2.0 P, Standard, MR3 uses 5W-30; LX, 1.8 0, Automatic uses 5W-30; LX, 1.8 0, Standard, MK7 uses 5W-30; LX, 1.8 0, Standard, MR3 uses 5W-30; LX, 2.0 B, Automatic uses 5W-30; LX, 2.0 B, Standard, M19 uses 5W-30; LX, 2.0 B, Standard, MR3 uses 5W-30; LX, 2.0 P, Automatic uses 5W-30; LX, 2.0 P, Standard, M19 uses 5W-30; LX, 2.0 P, Standard, MR3 uses 5W-30; S, 1.8 0, Automatic uses 5W-30; S, 1.8 0, Standard, MK7 uses 5W-30; S, 1.8 0, Standard, MR3 uses 5W-30; S, 2.0 B, Automatic uses 5W-30; S, 2.0 B, Standard, M19 uses 5W-30; S, 2.0 B, Standard, MR3 uses 5W-30; S, 2.0 P, Automatic uses 5W-30; S, 2.0 P, Standard, M19 uses 5W-30; S, 2.0 P, Standard, MR3 uses 5W-30; SX, 1.8 0, Automatic uses 5W-30; SX, 1.8 0, Standard, MK7 uses 5W-30; SX, 1.8 0, Standard, MR3 uses 5W-30; SX, 2.0 B, Automatic uses 5W-30; SX, 2.0 B, Standard, M19 uses 5W-30; SX, 2.0 B, Standard, MR3 uses 5W-30; SX, 2.0 P, Automatic uses 5W-30; SX, 2.0 P, Standard, M19 uses 5W-30; SX, 2.0 P, Standard, MR3 uses 5W-30.
What is the oil capacity of a 1984 Oldsmobile Firenza?
Oil capacity depends on the engine: Base, 1.8 0, Automatic holds 3.0 quarts with filter; Base, 1.8 0, Standard, MK7 holds 3.0 quarts with filter; Base, 1.8 0, Standard, MR3 holds 3.0 quarts with filter; Base, 2.0 B, Automatic holds 4.0 quarts with filter; Base, 2.0 B, Standard, M19 holds 4.0 quarts with filter; Base, 2.0 B, Standard, MR3 holds 4.0 quarts with filter; Base, 2.0 P, Automatic holds 4.0 quarts with filter; Base, 2.0 P, Standard, M19 holds 4.0 quarts with filter; Base, 2.0 P, Standard, MR3 holds 4.0 quarts with filter; Cruiser, 1.8 0, Automatic holds 3.0 quarts with filter; Cruiser, 1.8 0, Standard, MK7 holds 3.0 quarts with filter; Cruiser, 1.8 0, Standard, MR3 holds 3.0 quarts with filter; Cruiser, 2.0 B, Automatic holds 4.0 quarts with filter; Cruiser, 2.0 B, Standard, M19 holds 4.0 quarts with filter; Cruiser, 2.0 B, Standard, MR3 holds 4.0 quarts with filter; Cruiser, 2.0 P, Automatic holds 4.0 quarts with filter; Cruiser, 2.0 P, Standard, M19 holds 4.0 quarts with filter; Cruiser, 2.0 P, Standard, MR3 holds 4.0 quarts with filter; LX Cruiser, 1.8 0, Automatic holds 3.0 quarts with filter; LX Cruiser, 1.8 0, Standard, MK7 holds 3.0 quarts with filter; LX Cruiser, 1.8 0, Standard, MR3 holds 3.0 quarts with filter; LX Cruiser, 2.0 B, Automatic holds 4.0 quarts with filter; LX Cruiser, 2.0 B, Standard, M19 holds 4.0 quarts with filter; LX Cruiser, 2.0 B, Standard, MR3 holds 4.0 quarts with filter; LX Cruiser, 2.0 P, Automatic holds 4.0 quarts with filter; LX Cruiser, 2.0 P, Standard, M19 holds 4.0 quarts with filter; LX Cruiser, 2.0 P, Standard, MR3 holds 4.0 quarts with filter; LX, 1.8 0, Automatic holds 3.0 quarts with filter; LX, 1.8 0, Standard, MK7 holds 3.0 quarts with filter; LX, 1.8 0, Standard, MR3 holds 3.0 quarts with filter; LX, 2.0 B, Automatic holds 4.0 quarts with filter; LX, 2.0 B, Standard, M19 holds 4.0 quarts with filter; LX, 2.0 B, Standard, MR3 holds 4.0 quarts with filter; LX, 2.0 P, Automatic holds 4.0 quarts with filter; LX, 2.0 P, Standard, M19 holds 4.0 quarts with filter; LX, 2.0 P, Standard, MR3 holds 4.0 quarts with filter; S, 1.8 0, Automatic holds 3.0 quarts with filter; S, 1.8 0, Standard, MK7 holds 3.0 quarts with filter; S, 1.8 0, Standard, MR3 holds 3.0 quarts with filter; S, 2.0 B, Automatic holds 4.0 quarts with filter; S, 2.0 B, Standard, M19 holds 4.0 quarts with filter; S, 2.0 B, Standard, MR3 holds 4.0 quarts with filter; S, 2.0 P, Automatic holds 4.0 quarts with filter; S, 2.0 P, Standard, M19 holds 4.0 quarts with filter; S, 2.0 P, Standard, MR3 holds 4.0 quarts with filter; SX, 1.8 0, Automatic holds 3.0 quarts with filter; SX, 1.8 0, Standard, MK7 holds 3.0 quarts with filter; SX, 1.8 0, Standard, MR3 holds 3.0 quarts with filter; SX, 2.0 B, Automatic holds 4.0 quarts with filter; SX, 2.0 B, Standard, M19 holds 4.0 quarts with filter; SX, 2.0 B, Standard, MR3 holds 4.0 quarts with filter; SX, 2.0 P, Automatic holds 4.0 quarts with filter; SX, 2.0 P, Standard, M19 holds 4.0 quarts with filter; SX, 2.0 P, Standard, MR3 holds 4.0 quarts with filter.
How often should I change the oil in my 1984 Oldsmobile Firenza?
Most 1984 Oldsmobile Firenza 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 — Oldsmobile recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1984 Oldsmobile Firenza?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1984 Oldsmobile Firenza. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.