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 with filter); the Base, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts with filter); the Base, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts with filter); the Base, 2.0 B, Automatic takes 5W-30 (4.0 quarts with filter); the Base, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts with filter); the Base, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the Base, 2.0 P, Automatic takes 5W-30 (4.0 quarts with filter); the Base, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts with filter); the Base, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the Cruiser, 1.8 0, Automatic takes 5W-30 (3.0 quarts with filter); the Cruiser, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts with filter); the Cruiser, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts with filter); the Cruiser, 2.0 B, Automatic takes 5W-30 (4.0 quarts with filter); the Cruiser, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts with filter); the Cruiser, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the Cruiser, 2.0 P, Automatic takes 5W-30 (4.0 quarts with filter); the Cruiser, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts with filter); the Cruiser, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the LX Cruiser, 1.8 0, Automatic takes 5W-30 (3.0 quarts with filter); the LX Cruiser, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts with filter); the LX Cruiser, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts with filter); the LX Cruiser, 2.0 B, Automatic takes 5W-30 (4.0 quarts with filter); the LX Cruiser, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts with filter); the LX Cruiser, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the LX Cruiser, 2.0 P, Automatic takes 5W-30 (4.0 quarts with filter); the LX Cruiser, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts with filter); the LX Cruiser, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the LX, 1.8 0, Automatic takes 5W-30 (3.0 quarts with filter); the LX, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts with filter); the LX, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts with filter); the LX, 2.0 B, Automatic takes 5W-30 (4.0 quarts with filter); the LX, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts with filter); the LX, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the LX, 2.0 P, Automatic takes 5W-30 (4.0 quarts with filter); the LX, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts with filter); the LX, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the S, 1.8 0, Automatic takes 5W-30 (3.0 quarts with filter); the S, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts with filter); the S, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts with filter); the S, 2.0 B, Automatic takes 5W-30 (4.0 quarts with filter); the S, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts with filter); the S, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the S, 2.0 P, Automatic takes 5W-30 (4.0 quarts with filter); the S, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts with filter); the S, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the SX, 1.8 0, Automatic takes 5W-30 (3.0 quarts with filter); the SX, 1.8 0, Standard, MK7 takes 5W-30 (3.0 quarts with filter); the SX, 1.8 0, Standard, MR3 takes 5W-30 (3.0 quarts with filter); the SX, 2.0 B, Automatic takes 5W-30 (4.0 quarts with filter); the SX, 2.0 B, Standard, M19 takes 5W-30 (4.0 quarts with filter); the SX, 2.0 B, Standard, MR3 takes 5W-30 (4.0 quarts with filter); the SX, 2.0 P, Automatic takes 5W-30 (4.0 quarts with filter); the SX, 2.0 P, Standard, M19 takes 5W-30 (4.0 quarts with filter); the SX, 2.0 P, Standard, MR3 takes 5W-30 (4.0 quarts 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. | — | — |
Buy the right oil
Buy 5W-30 motor oil on Amazon1984 Oldsmobile Firenza oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your Firenza
1984 Oldsmobile Firenza factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site 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.
How much oil does a 1984 Oldsmobile Firenza take?
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.
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.