1989 Porsche 911 Oil Type & Capacity
The 1989 Porsche 911 oil type depends on the engine: the Carrera 4 takes 5W-20 (9.5 quarts qt with filter); the Carrera, 2D Convertible takes 5W-20 (13.7 quarts qt with filter); the Carrera, 2D Coupe takes 5W-20 (13.7 quarts qt with filter); the Turbo, 2D Convertible takes 5W-20 (13.7 quarts qt with filter); the Turbo, 2D Coupe takes 5W-20 (13.7 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Carrera 4: 5W-20, 9.5 quarts with filter
- Carrera, 2D Convertible: 5W-20, 13.7 quarts with filter
- Carrera, 2D Coupe: 5W-20, 13.7 quarts with filter
- Turbo, 2D Convertible: 5W-20, 13.7 quarts with filter
- Turbo, 2D Coupe: 5W-20, 13.7 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Carrera 4 — 3.6L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 9.50 QTS. | — | — |
| Carrera, 2D Convertible — 3.2L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 13.70 QTS. | — | — |
| Carrera, 2D Coupe — 3.2L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 13.70 QTS. | — | — |
| Turbo, 2D Convertible — 3.3L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 13.70 QTS. | — | — |
| Turbo, 2D Coupe — 3.3L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 13.70 QTS. | — | — |
More factory specs & repair guides for your 911
🛞 1989 Porsche 911 Tire Size & Pressure →🌧️ 1989 Porsche 911 Wiper Blade Sizes →💡 1989 Porsche 911 Light Bulb Sizes →📖 1989 Porsche 911 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Frequently asked questions
What type of oil does a 1989 Porsche 911 take?
It depends on the engine: Carrera 4 uses 5W-20; Carrera, 2D Convertible uses 5W-20; Carrera, 2D Coupe uses 5W-20; Turbo, 2D Convertible uses 5W-20; Turbo, 2D Coupe uses 5W-20.
What is the oil capacity of a 1989 Porsche 911?
Oil capacity depends on the engine: Carrera 4 holds 9.5 quarts with filter; Carrera, 2D Convertible holds 13.7 quarts with filter; Carrera, 2D Coupe holds 13.7 quarts with filter; Turbo, 2D Convertible holds 13.7 quarts with filter; Turbo, 2D Coupe holds 13.7 quarts with filter.
How often should I change the oil in my 1989 Porsche 911?
Most 1989 Porsche 911 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 — Porsche recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1989 Porsche 911?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Porsche 911. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.